GB2589979A - Cavity tray - Google Patents
Cavity tray Download PDFInfo
- Publication number
- GB2589979A GB2589979A GB2016807.6A GB202016807A GB2589979A GB 2589979 A GB2589979 A GB 2589979A GB 202016807 A GB202016807 A GB 202016807A GB 2589979 A GB2589979 A GB 2589979A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cavity
- cavity wall
- tray
- outer leaf
- internal moisture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 16
- 239000003344 environmental pollutant Substances 0.000 claims description 140
- 231100000719 pollutant Toxicity 0.000 claims description 140
- 230000001419 dependent effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005755 formation reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- 239000000779 smoke Substances 0.000 description 8
- 239000003517 fume Substances 0.000 description 7
- 239000012212 insulator Substances 0.000 description 7
- -1 polypropylene Polymers 0.000 description 7
- 238000009413 insulation Methods 0.000 description 5
- 238000010079 rubber tapping Methods 0.000 description 5
- 239000010445 mica Substances 0.000 description 4
- 229910052618 mica group Inorganic materials 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7038—Evacuating water from cavity walls, e.g. by using weep holes
- E04B1/7046—Evacuating water from cavity walls, e.g. by using weep holes using trays
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/947—Protection against other undesired influences or dangers against fire by closing openings in walls or the like in the case of fire
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
A non-combustible cavity tray for a cavity wall of a building having a means for delivering internal moisture towards the other leaf of a cavity wall (2) and the cavity tray being width adjustable to fit all/multiple cavities of different sizes. The tray may comprise a stop end. The tray may be configured to overlap adjacent trays. The tray may have formations such as ribs which channel the water towards the outer wall rather than off the edges of the tray. The cavity tray may also be a cavity barrier or sock for stopping passage of fire. The tray may comprise a means for preventing slippage such as a mortar key in the form of ridges or projections. The cavity tray may be a unitary tray supported only by the outer leaf of the cavity wall. Alternatively the tray may comprise modular upper and lower trays which overlap to allow the tray to fit to the cavity, the upper part being secured to or within the inner skin.
Description
CAVITY TRAY
The present invention relates to cavity walls. In particular, the present invention relates to cavity trays for cavity walls.
The construction of buildings having cavity walls with an inner leaf, outer leaf and a cavity therebetween is common. In order to prevent thermal bridging between the two leaves of the cavity insulation is also applied in the cavity.
A major problem associated with buildings having cavity walls is dampness.
Dampness usually occurs due to penetration of moisture through the masonry of the outer leaf which can then travel across the cavity and permeate the inner leaf of the cavity wall. Dampness may also permeate the inner leaf of the cavity wall by passing through gaps or openings in the cavity for example at a window/door opening or where a floor slab has been inserted. Dampness may also occur at these areas due to condensation arising from thermal bridging at these areas as a result of the gaps or openings. In order to prevent moisture permeating the inner leaf of the cavity wall, damp proof courses such as cavity trays may be installed between the leaves. Such damp proof courses are typically formed of polypropylene due to its water-resistant properties. However, polypropylene is a combustible material and, in case of a fire, combustible materials such as polypropylene enable the spread of smoke and flames through the cavity to subsequent levels/ floors.
Another problem associated with buildings having cavity walls is differential movement between the two leaves of a cavity wall, in particular where there is an uneven distribution of weight between the two leaves. This uneven distribution of weight typically occurs where the building has multiple floors or where there is a window or door opening. In order to increase structural integrity of such buildings and prevent against differential movement, it is necessary to bridge the cavity between the two leaves with structural supports such as brackets and/or lintels at wall/floor slab junctions between two levels or above window/door openings. Consequently, damp-proof courses and support brackets/lintels are required within close proximity to each other. Therefore, to prevent against thermal bridging in these areas, insulation must be cut and manoeuvred into the space between the damp proof course and the support bracket/lintel. This can be difficult and time consuming and often results in improper installation of insulation, resulting in thermal bridging between the leaves of the cavity wall.
Recent regulations now also require the implementation of fire barriers into cavity walls to close the edges of cavity walls around window and door openings and at junctions where the outer cavity leaf is in alignment with a compartment floor. However, as with insulation, it is difficult to install fire barriers close to these junctions around the structural supports and damp-proof courses. In addition, fire barriers cannot be cut more than 50% through, making installation around the structural supports more difficult.
It is an object of the present invention to aid in preventing moisture permeating the inner leaf of a cavity wall.
It is a further object of the present invention to prevent the spread of all or some of smoke, flames, fumes and heat in a cavity of a cavity wall.
It is a further object of the present invention to prevent against thermal bridging between leaves of a cavity wall.
According to a first aspect of the invention there is provided a non combustible cavity tray for a cavity wall of a building comprising a means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray being width adjustable to fit all/multiple cavities of different sizes.
Preferably, the cavity tray is arrangeable to fit all/multiple cavities of different sizes.
Ideally, the width of the cavity tray is adjustable to correspond to the width of the cavity.
Advantageously, adjustability of the cavity tray reduces the need to manufacture multiple cavity trays of different widths and/or sizes.
Preferably, the cavity tray is configurable to engage with the outer leaf of a cavity wall.
Preferably, the cavity tray is configurable to engage with the inner leaf of a cavity wall. Preferably, the cavity tray is arrangeable to seal the cavity between floors or levels of a building.
Preferably, the cavity tray is modular.
Ideally, the means for delivering internal moisture towards the outer leaf of a cavity wall is extendable.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is modular.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises an upper module and a lower module.
Preferably, in use, the upper module of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to overlap the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, in use, the upper module of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to overlap the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall by at least 25mm.
Preferably, in use, the upper module is secured to the inner leaf of the cavity wall via mechanical fastening means such as self-tapping screws.
Advantageously, this retains the position of the upper module in the cavity.
Preferably, the lower module is secured between masonry of the outer leaf of the cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a lower portion.
to Preferably, the lower portion is locatable on the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises an upper portion.
Preferably, the upper portion is locatable on the upper module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a middle portion.
Preferably, the middle portion is divided between the upper module and the lower module.
Preferably, in use, the middle portion on the upper module is arrangeable to overlap the middle portion on the lower module.
Preferably, the middle portion extends between the lower portion and the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall. Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to engage with the outer leaf of a cavity wall.
Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is mountable on the outer leaf.
Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to engage with a structural support.
Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is a substantially rectangular shape having two longitudinal edges and two lateral edges.
Preferably, the middle portion of the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a sloping portion.
Preferably, the sloping portion is divided between the upper module and the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, in one embodiment, the middle portion of the means for delivering internal moisture towards the outer leaf of a cavity wall comprises an intermediate portion for connecting the sloping portion and the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the intermediate portion is locatable on a lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Alternatively, the sloping portion may be directly connected to the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the intermediate portion extends from the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the intermediate portion extends vertically from the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the intermediate portion extends vertically upwardly from the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the sloping portion extends from the intermediate portion.
Preferably, the sloping portion extends across the cavity of the cavity wall.
Preferably, the sloping portion extends across the cavity from the outer leaf to the inner leaf.
Preferably, the sloping portion extends diagonally across the cavity from the outer leaf to the inner leaf.
Preferably, in use, the sloping portion extends upwardly from the outer leaf to the inner leaf of the cavity wall.
Preferably, in use, the sloping portion extends upwardly from the outer leaf to the inner leaf of the cavity wall so that the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is at a higher level than the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the sloping portion is configurable to create a downward flow path for moisture in a direction from the inner leaf of a cavity wall towards the outer leaf of a cavity wall.
Advantageously, the sloping portion creates a downward flow path for moisture from the inner cavity wall to the outer cavity wall.
Advantageously, this prevents moisture stagnating in the cavity or on the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall. Preferably, the sloping portion extends across the full depth of the cavity.
Preferably, the sloping portion comprises an upper surface.
Preferably, the sloping portion comprises a lower surface.
Preferably, in use, the upper surface of the sloping portion is configurable to catch moisture falling from above and directs it towards the outer leaf of the cavity wall.
Preferably, in use, the upper surface of the sloping portion is configurable to intercept moisture flowing towards an opening or gap in the inner leaf, the gap being below the means for delivering internal moisture towards the outer leaf of a cavity wall and directs the moisture towards the outer leaf.
Preferably, the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall extends from the sloping portion.
Preferably, the upper portion extends from an upper edge of the sloping portion.
Preferably, the upper portion extends vertically from the sloping portion.
Preferably, the upper portion extends vertically upwardly from the sloping portion. Ideally, the cavity tray further comprising a means for preventing flames and heat and/or other fire pollutants passing between floors/levels of the building via the cavity.
By fire pollutants we mean smoke, flames, fumes and heat and any other emissions produced by combustion.
Advantageously, the cavity tray prevents the spread of at least some of the fire pollutants from one floor to another and therefore improves the safety of multi-storey buildings.
Further advantageously, the cavity tray prevents moisture permeating the inner leaf of the cavity wall.
Preferably, the cavity tray comprises a means for preventing thermal bridging between leaves of the cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable at or about a gap or opening in the inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable above a gap or opening in the inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable at or about a junction between a floor slab and the inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable above a junction between a floor slab and the inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable at or about a structural support in the cavity of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is locatable above a structural support in the cavity of a cavity wall.
Preferably, the means for preventing at least at least some of the fire pollutants passing between floors/levels of a building via the cavity is non-combustible.
Advantageously, in case of a fire, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity will not produce fire pollutants further adding to the existing fire pollutant problem.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is fire resistant.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is an insulator.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is arrangeable to extend across the cavity.
Advantageously, this prevents at least some of the fire pollutants from passing between floors/levels of a building via the cavity.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is configurable to engage with the outer leaf and/or the inner leaf of a cavity wall.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is arrangeable to seal the cavity.
When we say seal the cavity, we mean across the cavity between the inner leaf and the outer leaf and also along the cavity as far as the outer leaf and inner leaf extend around the building. This provides the cavity with sealed cavity compartments to prevent the spread of at least some of the fire pollutants between the floors/levels of the building.
Preferably, in use, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is configurable to abut against adjacent means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity.
Preferably, the cavity tray comprises at least one fire sock.
Ideally, the means for preventing fire pollutants passing between floors/levels of a building via the cavity comprises a fire barrier.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity comprises at least one fire sock.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is compressible.
Advantageously, this enhances the ease of installation of the means for preventing fire pollutants passing between floors/levels of a building via the cavity into small spaces.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against a surface of the inner leaf and/or the outer leaf of a cavity wall.
Advantageously, this prevents the formation of gaps or openings between the means for preventing fire pollutants passing between floors/levels of a building via the cavity and the inner leaf and/or the outer leaf of the cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against the inner leaf of a cavity wall at a junction between the inner leaf and a floor slab and/or to seal any gaps or openings at the junction.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to provide continuity of fire barrier where the means for delivering internal moisture towards the outer leaf of a cavity wall is not contained within the depth of the slab.
Advantageously, this prevents the re-routing of fire pollutants to other compartments of the cavity or building.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is locatable at or about a gap or opening in the cavity wall.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is locatable to extend across a gap or opening in the cavity wall.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is locatable below the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is locatable above a structural support.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is locatable between the means for delivering internal moisture to the outer cavity leaf of a cavity wall and a structural support.
Advantageously, this closes the gap between the means for delivering internal moisture towards the outer leaf of a cavity wall and the structural support.
Preferably, the means for preventing at least some of the fire pollutants passing between floors/levels of a building via the cavity is impervious to water.
Advantageously, this prevents moisture from passing through the means for preventing fire pollutants passing between floors/levels of a building via the cavity. Preferably, the cavity tray is impervious to water.
Advantageously, this prevents moisture from passing through the cavity tray. Preferably, the cavity tray is non-combustible.
Advantageously, in case of a fire, the cavity tray will not produce fire pollutants. Preferably, the cavity tray is impervious to fire pollutants.
Advantageously, this prevents fire pollutants from passing through the cavity tray and between floors or levels of the building.
Preferably, the cavity tray comprises a fire barrier.
Advantageously, this enables the cavity tray to contain a fire within a compartment of a cavity.
to Preferably, the cavity tray is a thermal barrier.
Advantageously, the cavity tray prevents the passage of heat through the cavity tray. Preferably, the cavity tray is an insulator.
Preferably, at least part the cavity tray is formable from any material having low thermal conductivity.
Preferably, at least part of the cavity tray is formable from mineral fiber.
Preferably, at least part of the cavity tray is formable from mica and/or mica sheets. Preferably, at least part of the cavity tray is formable from stainless steel. Preferably, at least part of the cavity tray is formable from mineral board. Preferably, at least part of the cavity tray is formable from a combination of material.
Alternatively, at least part of the cavity tray may be formable from any other material having low thermal conductivity.
Preferably, the cavity tray is arrangeable to extend across the cavity.
Advantageously, this prevents moisture and fire pollutants by-passing the cavity tray. Preferably, the cavity tray is arrangeable to extend between the outer leaf and inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is arrangeable to extend across the cavity.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is arrangeable to extend between the outer leaf and inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is arrangeable to seal the cavity.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is impervious to water.
Advantageously, the means for delivering internal moisture towards the outer leaf of a cavity wall prevents the penetration of moisture.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is non-combustible.
Advantageously, in case of a fire, the means for delivering internal moisture towards the outer leaf of a cavity wall will not produce fire pollutants.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to engage with the outer leaf of the cavity wall.
Preferably, in use, the means for delivering internal moisture towards the outer leaf of a cavity wall is secured between masonry of the outer leaf of the cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to engage with the inner leaf of a cavity wall.
Preferably, in use, the means for delivering internal moisture towards the outer leaf of a cavity wall is secured to the inner leaf of a cavity wall.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is adjustable to correspond with the width of the cavity in which it is disposed.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is arrangeable to correspond with the width of the cavity in which it is disposed.
Preferably, the cavity tray comprises a means for draining moisture out of the cavity.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a means for draining moisture out of the cavity.
Preferably, in use, the means for draining moisture out of the cavity is locatable between masonry of the outer leaf of the cavity wall.
Advantageously, this enables moisture to bypass the masonry. This is in comparison to the moisture being absorbed by the masonry.
Further advantageously, this prevents an accumulation of moisture at the inner surface of an outer leaf.
Preferably, the means for draining moisture out of the cavity is locatable on the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Alternatively, the means for draining moisture out of the cavity is locatable on any other portion of the means for delivering internal moisture towards the outer leaf of a cavity wall extending between bricks in a course of the outer leaf.
Preferably, the means for draining moisture from the cavity comprises a weep vent.
Preferably, the intermediate portion comprises a front surface.
Preferably, the intermediate portion comprises a back surface.
Preferably, the front surface of the intermediate portion faces the inner surface of the outer cavity wall.
Preferably, there is a slight gap between the front surface of the intermediate portion and the inner surface of the outer leaf to enable moisture to flow down the front surface of the intermediate portion to the means for draining moisture from the cavity.
Alternatively, the front face of the intermediate portion may press against the inner surface of the outer leaf of the cavity wall.
Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is adjustable to correspond with the width of the outer leaf of the cavity wall.
Preferably, the length of the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is adjustable.
Preferably, the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to be trimmed.
Advantageously, in use, any portion of the lower portion extending beyond the outer surface of the outer cavity wall can be trimmed as required.
Preferably, the cavity tray comprises a stop end to prevent internal moisture cascading over the end of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a stop end to prevent internal moisture cascading over the end of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity. Preferably, the cavity tray comprises a stop end to prevent internal moisture cascading over a lateral end of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity.
Preferably, the stop end extends between the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall and the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the stop end comprises a folded portion of a lateral edge of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the stop end of adjacent cavity trays abut against each other.
Alternatively, the adjacent cavity trays are overlapped.
Preferably, the cavity tray is configurable to overlap and/or underly an adjacent cavity tray.
Advantageously, the stop end prevents internal moisture passing through the overlapping ends of the cavity tray and/or prevents smoke or fumes passing up through overlapping cavity trays.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall of adjacent cavity trays are overlapped.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall of the cavity tray is configurable to overlap and/or underly another means for delivering internal moisture towards the outer leaf of a cavity wall of an adjacent cavity tray.
Advantageously, the stop end prevents internal moisture passing through the overlapping ends of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity and/or prevents smoke or fumes passing up through overlapping cavity trays.
Preferably, the cavity tray comprises a means for preventing slippage of the cavity tray relative to the surface upon which it is mounted.
Preferably, the cavity tray comprises a means for preventing slippage of the cavity tray relative to masonry upon which it is mounted.
Preferably, the cavity tray comprises a means for preventing slippage of the cavity lit tray relative to mortar upon which it is mounted.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a means for preventing slippage.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to the surface upon which it is mounted.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to masonry upon which it is mounted.
Preferably, the means for preventing slippage comprises indents, perforations, ribs, deformations and/or any other means suitable to ensure a good mortar bond.
Preferably, the means for preventing slippage is locatable on the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for preventing slippage is locatable on a bottom surface of the lower portion.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is a thermal barrier.
Advantageously, the means for preventing thermal bridging between leaves of the cavity wall prevents the passage of heat through the cavity tray.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is an insulator.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is formable from any material having low thermal conductivity.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is configurable to wrap around the means for delivering internal moisture towards the outer leaf of a cavity wall.
Advantageously, the means for preventing thermal bridging between leaves of the cavity wall prevents the conduction of heat through the means for delivering internal moisture towards the outer leaf of a cavity wall.
Alternatively, the means for preventing thermal bridging between leaves of the cavity wall may be formed as an integral part of the means for delivering internal moisture to the outer leaf of a cavity wall.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is impervious to water.
Advantageously, this prevents moisture from passing through the means for preventing thermal bridging between leaves of the cavity wall.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is non-combustible.
lit Advantageously, in case of a fire, the means for preventing thermal bridging between leaves of the cavity wall will not produce fire pollutants.
Advantageously, this prevents fire pollutants from passing through the means for preventing thermal bridging between leaves of the cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to press against the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to press against a structural support in the cavity. Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to be compressed between the means for delivering internal moisture to the outer cavity leaf of a cavity wall and a structural support.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against a lower surface of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against a lower surface of the sloping portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against the means for preventing thermal bridging between leaves of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against the means for preventing thermal bridging between leaves of a cavity wall surrounding the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against the intermediate portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress against the back of the intermediate portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to press against all other elements in, of and/or surrounding the cavity at an intersection of the cavity wall with a floor slab or window/door opening to close all openings or gaps at such intersection of the cavity wall.
Advantageously, this prevents fire pollutants bypassing means for preventing fire pollutants passing between floors/levels of a building via the cavity.
Further advantageously, this prevents heat from escaping through the openings or gaps at such intersections.
Preferably, the cavity tray is configurable to slot over a structural support.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to slot over a structural support.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to slot under a structural support in a cavity of a cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to slot behind a structural support in a cavity of a cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is locatable between a structural support in a cavity of a cavity wall and the inner leaf of a cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is configurable to compress between a structural support in a cavity of a cavity wall and the inner leaf of a cavity wall.
Preferably, the cavity tray is cut to easily slot over a structural support.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is cut to easily slot over the structural support.
Preferably, the cavity tray is cut to correspond to the shape and size of the portion of the structural support upon which the cavity tray will be slotted.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is cut to correspond to the shape and size of the portion of the structural support upon which the means for preventing fire pollutants passing between floors/levels of a building via the cavity will be slotted.
Preferably, the cavity tray is cut to correspond to the shape and size of the portion of the structural support so that the cavity tray remains compressed against the structural support upon which the cavity tray is slotted.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is cut to correspond to the shape and size of the portion of the structural support so that the means for preventing fire pollutants passing between floors/levels of a building via the cavity remains compressed against the structural support upon which the means for preventing fire pollutants passing between floors/levels of a building via the cavity is slotted.
Preferably, the cavity tray is cut to correspond to the shape and size of the portion of the structural support so that there are no gaps or openings between the cavity tray and the structural support upon which the cavity tray is slotted.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is cut to correspond to the shape and size of the portion of the structural support upon which the cavity tray is slotted so that there are no gaps between the means for preventing fire pollutants passing between floors/levels of a building via the cavity and the structural support upon which the means for preventing fire pollutants passing between floors/levels of a building via the cavity is slotted.
Preferably, the cavity tray is pre-formed.
Advantageously, this enables easy installation of the cavity tray.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is pre-formed.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is pre-cut.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is pre-cut to no more than 50% of the way through.
Most preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is pre-cut to no more than 25% of the way through.
Advantageously, this maintains the integrity of the means for preventing fire pollutants passing between floors/levels of a building via the cavity.
Further advantageously, this reduces the risk of fracture of the means for preventing fire pollutants passing between floors/levels of a building via the cavity.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is modular.
Alternatively, the means for preventing fire pollutants passing between floors/levels of a building via the cavity may be formed as one piece.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity comprises two or more modules.
Preferably, the two or more modules of the means for preventing fire pollutants passing between floors/levels of a building via the cavity comprises at least one fire sock. Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity is attachable to the means for delivering internal moisture to the outer leaf of a cavity wall.
Preferably, the means for preventing fire pollutants passing between floors/levels of a building via the cavity and the means for delivering internal moisture towards the outer cavity leaf of the cavity wall are configurable be installed together.
Advantageously, this enhances the ease of installation of the cavity tray.
According to a second aspect of the invention there is provided a method of closing a cavity in a cavity wall, the method comprising the step of installing a cavity tray in the cavity between the inner leaf and outer leaf and along the cavity as far as the inner leaf and outer leaf extend around the building, the cavity tray having a means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray further comprising a means for preventing fire pollutants passing between floors/levels of a building via the cavity.
Preferably, the method comprising the step of installing a means for preventing thermal bridging to the means for preventing thermal bridging as an integral part of the means for delivering internal moisture to the outer leaf of a cavity wall.
Alternatively, the method comprising the step of forming the means for preventing thermal bridging as an integral part of the means for delivering internal moisture to the outer leaf of a cavity wall.
Preferably, the method comprising the step of constructing a cavity wall having an outer cavity leaf, an inner cavity leaf and a structural support aligning the outer cavity leaf with the inner cavity leaf and/or floor slab in junction with the inner cavity leaf.
Preferably, the method comprising the step of slotting the means for preventing fire pollutants passing between floors/levels of a building via the cavity over the structural support such that at least part of the means for preventing fire pollutants passing between floors/levels of a building via the cavity is compressed against the structural support and the inner leaf of the cavity wall.
Alternatively, the method comprising the step of slotting one of the two or more modules over the structural support such that at least part of the module presses against the structural support and inner leaf of the cavity wall, then slotting another of the two or more modules over the structure support from an underside of the cavity such that at least part of that module presses against the structural support and the inner leaf of the cavity wall. Preferably, the method comprising the step of securing a lower module of the means for delivering internal moisture towards the outer leaf of the cavity wall between masonry of the outer leaf of a cavity wall so that it extends into the cavity.
Preferably, the method comprising the step of arranging the upper module of the means for delivering internal moisture towards the outer leaf of the cavity wall such that it overlaps the lower module by at least 25mm and such that the upper portion is at a higher level than the lower portion of the means for delivering internal moisture towards the outer to leaf of the cavity wall.
Preferably, the method comprising the step of securing the upper module to the inner leaf of the cavity wall via mechanical fastening means such as self-tapping screws.
Preferably, the method comprising the step of installing the means for draining moisture out of the cavity, if required, such that there is a clear flow path between the inner surface and the outer surface of the outer cavity leaf.
Preferably, the method comprising the step of constructing the remainder of the outer leaf on top of the lower portion up to the next floor level.
Preferably, the method comprising the step of trimming any portion of the lower portion extending beyond the outer surface of the outer leaf of the cavity wall, as suited Preferably, the method comprising the step of repeating the above steps in the cavity around the building.
According to a third aspect of the invention there is provided a non combustible cavity tray for a cavity wall of a building comprising a means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray comprising a stop end.
Advantageously, the stop end prevents internal moisture passing through the overlapping ends of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity and/or prevents smoke or fumes passing up through overlapping cavity trays.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a stop end to prevent internal moisture passing through the overlapping ends of the means for delivering internal moisture towards the outer leaf of a cavity wall into the cavity and/or prevents smoke or fumes passing up through overlapping cavity trays.
Preferably, the stop end extends between the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall and the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the stop end comprises a folded portion of one or both lateral edges of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the stop end of adjacent cavity trays abut against each other.
Preferably, the cavity tray comprises a means for preventing slippage of the cavity tray relative to the surface upon which it is mounted.
Preferably, the cavity tray comprises a means for preventing slippage of the cavity tray relative to masonry upon which it is mounted.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a means for preventing slippage.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to the surface upon which it is mounted.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to masonry upon which it is mounted.
Preferably, the means for preventing slippage comprises indents, perforations, ribs, deformations and/or any other means suitable to ensure a good mortar bond.
Preferably, the means for preventing slippage is locatable on the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for preventing slippage is locatable on a bottom surface of the lower portion.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is a thermal barrier.
Advantageously, the means for preventing thermal bridging between leaves of the cavity wall prevents the passage of heat through the cavity tray.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is an insulator.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is formable from any material having low thermal conductivity.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is configurable to wrap around the means for delivering internal moisture towards the outer leaf of a cavity wall.
Advantageously, the means for preventing thermal bridging between leaves of the cavity wall prevents the conduction of heat through the means for delivering internal moisture towards the outer leaf of a cavity wall.
Alternatively, the means for preventing thermal bridging between leaves of the cavity wall may be formed as an integral part of the means for delivering internal moisture to the outer leaf of a cavity wall.
Preferably, the means for preventing thermal bridging between leaves of the cavity wall is impervious to water.
Advantageously, this prevents moisture from passing through the means for preventing thermal bridging between leaves of the cavity wall.
Ideally, the cavity tray being width adjustable to fit all/multiple cavities of different sizes Preferably, the cavity tray is arrangeable to fit all/multiple cavities of different sizes. Ideally, the width of the cavity tray is adjustable to correspond to the width of the cavity.
Advantageously, adjustability of the cavity tray reduces the need to manufacture multiple cavity trays of different widths and/or sizes.
Preferably, the cavity tray is configurable to engage with the outer leaf of a cavity wall Preferably, the cavity tray is configurable to engage with the inner leaf of a cavity wall.
Preferably, the cavity tray is arrangeable to seal the cavity between floors or levels of a building.
Preferably, the cavity tray is modular.
Ideally, the means for delivering internal moisture towards the outer leaf of a cavity wall is extendable.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall is modular.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises an upper module and a lower module.
Preferably, in use, the upper module of the means for delivering internal moisture towards the outer leaf of a cavity wall is configurable to overlap the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.
According to a fourth aspect of the invention there is provided a non-combustible cavity tray for a cavity wall of a building comprising means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray being a cavity barrier/cavity sock for preventing fire passing the cavity tray.
According to a fifth aspect of the invention there is provided a non-combustible cavity tray for a cavity wall of a building comprising means for delivering internal moisture towards the outer leaf of a cavity wall, the means for delivering internal moisture towards the outer leaf of a cavity wall comprising means for preventing slippage.
Preferably, the cavity tray comprises means for preventing slippage of the cavity tray relative to masonry upon which it is mounted.
Preferably, the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a means for preventing slippage.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to the surface upon which it is mounted.
Preferably, in use, the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to masonry upon which it is mounted.
Preferably, the means for preventing slippage comprises indents, perforations, ribs, to deformations and/or any other means suitable to ensure a good mortar bond.
Preferably, the means for preventing slippage is locatable on the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.
Preferably, the means for preventing slippage is locatable on a bottom surface of the lower portion.
According to a sixth aspect of the invention there is provided a non-combustible cavity tray for a cavity wall of a building comprising means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray further comprising means to prevent longitudinal movement of moisture across the cavity tray and/or over the end of the cavity tray.
Ideally, the means for preventing longitudinal movement of moisture across the cavity tray and/or over the end of the cavity tray comprises one or more ribs.
Ideally, the means for preventing longitudinal movement of moisture across the cavity tray and/or over the end of the cavity tray are disposed at one or more lateral ends of the cavity tray.
Preferably, the one or more ribs are located at one or both lateral ends of the cavity tray.
Preferably, the one or more ribs are located at one or both lateral ends of the cavity tray perpendicular to the longitudinal axis of the cavity tray.
Preferably, the one or more ribs are located on the means for delivering internal moisture towards the outer leaf of the cavity wall.
Ideally, the one or more ribs extend upwardly from the cavity tray.
Ideally, the one or more ribs extend upwardly from the means for delivering internal moisture towards the outer leaf of the cavity wall.
Ideally, the one or more ribs extend downwardly from the cavity tray.
Ideally, the one or more ribs extend downwardly from the means for delivering internal moisture towards the outer leaf of the cavity wall.
Preferably, the one or more ribs extend from the cavity tray by up to 3mm.
Preferably, the one or more ribs extend from the cavity tray by approximately 2mm. Ideally, the one or more ribs extend from the means for delivering internal moisture towards the outer leaf of the cavity wall by up to 3mm.
Ideally, the one or more ribs are located on a portion of the cavity tray that overlaps with or underlies a portion of an adjacent cavity tray.
Advantageously, locating the one or more ribs on a portion of the cavity tray that overlaps or underlies an adjacent cavity tray enables the prevention of longitudinal movement of moisture across the cavity tray joint and/or over the end of the cavity tray without the requirement of aligning the cavity tray with perpend joints of the wall.
Preferably, the one or more ribs extend at least partially along the width of the cavity tray.
Ideally, the one or more ribs extend along the entire width of the cavity tray.
Ideally, in use, the one or more ribs abut against the overlapping or underlying surface of an adjacent cavity tray.
Advantageously, this prevents a gap forming between the overlapping cavity trays.
Preferably, the one or more ribs act to reinforce the cavity tray.
Ideally, the one or more ribs are shaped to provide structural reinforcement of the cavity tray.
Ideally, the one or more ribs are shaped to create one or more bends.
Advantageously, the one or more bends reduce the distance between flat portions of the cavity tray from one lateral end to the other lateral end of the cavity tray and therefore increase the structural reinforcement of the cavity tray.
Ideally, the one or more ribs are U-shaped.
Alternatively, the one or more ribs are V-shaped, trapezoidal or any other shape suitable for providing reinforcement to the cavity tray.
The invention will now be described with reference to the accompanying drawings: -Figure 1 is a sectional perspective view of a cavity tray in a cavity for sealing the cavity around the building.
Figure 2 is a second sectional perspective view an arrangement for preventing the spread of fire pollutants between floors/levels of the building via the cavity.
Figure 3 is a perspective view of an arrangement for delivering internal moisture towards the outer leaf of the cavity.
Figure 4 is a second perspective view of the arrangement for delivering internal moisture towards the outer leaf of the cavity.
In the drawings there is shown a cavity tray indicated generally by reference numeral 1 for a cavity wall of a building having an arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2, the cavity tray further having an arrangement for preventing fire pollutants passing between floors/levels of the building via the cavity 3. This means that the cavity tray 1 prevents the spread of fire pollutants from one floor to another and therefore improves the safety of multi-storey buildings. By fire pollutants we mean smoke, flames, fumes and any other emissions produced by combustion.
The cavity tray 1 prevents moisture permeating the inner leaf 4 of the cavity wall. The cavity tray 1 has an arrangement for preventing thermal bridging between leaves of the cavity wall 16.
The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is locatable at, about or above a gap or opening in the inner leaf of a cavity wall or at, about or at, about or above a structural support in the cavity of a cavity wall.
The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is non-combustible, fire resistant and impervious to fire pollutants and moisture. This means, in case of a fire, the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 will not produce fire pollutants further adding to the existing fire pollutant problem. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is a thermal barrier and an insulator. This means the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity prevents the passage of heat between floors or levels of the building via the cavity. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is formable from any material having low thermal conductivity. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is arrangeable to extend across the cavity, between the outer leaf 5 and the inner leaf 4. This prevents fire pollutants from passing between floors/levels of a building via the cavity.
The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to engage with the outer leaf 5 and the inner leaf 4 of the cavity wall. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is arranged to seal the cavity. When we say seal the cavity, we mean across the cavity between the inner leaf and the outer leaf and also along the cavity as far as the outer leaf and inner leaf extend around the building. This provides the cavity with sealed cavity compartments to prevent the spread of fire pollutants between the floors/levels of the building. In use, the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 of adjacent cavity trays abut against each other.
The cavity tray 1 has at least one fire sock 6. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 has a fire barrier. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 has at least one fire sock 6.
At least part of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is compressible. This enhances the ease of installation of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 into small spaces. At least part or parts of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity is configured to compress against the inner leaf 4, outer leaf 5 and/or surface of a floor slab 8 facing into the cavity. This prevents the formation of gaps or openings between the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity and the inner leaf 4, outer leaf 5 and/or surface of a floor slab 8 facing into the cavity.
The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to seal any gaps or openings in inner leaf 4 of the cavity wall and the floor slab. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to provide continuity of fire barrier and insulation where the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is not contained within the depth of the slab, as indicated in figures 1 and 2 by line 30. This prevents the re-routing of fire pollutants and heat to other compartments of the cavity or building. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is locatable at, about or above a gap or opening in the inner leaf of a cavity wall or at, about or at, about or above a structural support in the cavity of a cavity wall. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to extend across a junction between a floor slab and the inner leaf 4 of a cavity wall. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity is locatable below the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 and above a structural support 9. This closes the gap between the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 and the structural support 9.
The cavity tray 1 is impervious to water and fire pollutants and is non-combustible. The cavity tray 1 has a fire barrier. This enables the cavity tray 1 to contain a fire within a compartment of a cavity. The cavity tray 1 is a thermal barrier and an insulator. At least part the cavity tray 1 is formable from any material having low thermal conductivity. At least part the cavity tray 1 is formable from mineral fiber, mineral wool, mica and/or mica sheets, stainless steel, timber, mineral board or combination of material. The cavity tray 1 is arranged to extend across the cavity, between the inner leaf 4 and outer leaf 5 of the cavity wall. This prevents moisture and fire pollutants by-passing the cavity tray. The cavity tray 1 is adjustable to fit all/multiple cavities of different sizes and widths. This reduces the need to manufacture multiple cavity trays of different widths and/or sizes. Alternatively, the cavity tray 1 is pre-configured to correspond to the shape and size of the cavity.
The cavity tray is configured to engage with the outer leaf 5 and the inner leaf 4 of a cavity wall and is arranged to seal the cavity between floors or levels of a building. The cavity tray 1 is modular.
The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is arrangeable to extend across the cavity between the outer leaf 5 and inner leaf 4 of a cavity wall and to seal the cavity. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is impervious to water, is non-combustible. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is configured to engage with the outer leaf 5 and the inner leaf 4 of the cavity wall. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall is secured to the inner leaf 4 and is secured between masonry of the outer leaf 5. This retains the position of the arrangement for delivering internal moisture towards the outer leaf 2 of a cavity wall in the cavity. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is adjustable to correspond with the width of the cavity in which it is disposed. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is extendable. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is modular. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 has an upper module 20 and a lower module 21. In use, the upper module 20 is configured to overlap the lower module 21 by at least 25mm, as illustrated in figure 4. In use, the upper module 20 is secured to the inner leaf 4 of the cavity wall via mechanical fastening means such as self-tapping screws. This retains the position of the upper module 20 in the cavity. The lower module 21 is secured between masonry of the outer leaf 5 of the cavity wall. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 has a lower portion 10, and upper portion 11 and a middle portion 12. The middle portion 12 extends between the lower portion 10 and the upper portion 11 of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. The lower portion 10 is located on the lower module 21 and is secured between masonry of the outer leaf 5. The upper portion 12 is located on the upper module 20 and is secured to the inner leaf 4 of the cavity wall via mechanical fastening means such as self-tapping screws.
The lower portion 10 is a substantially rectangular shape having two longitudinal edges and two lateral edges. The middle portion 11 is divided between the upper module 20 and lower module 21. In use, the middle portion 12 on the upper module 20 is arrangeable to overlap the middle portion 12 on the lower module 21. The middle portion 11 has a sloping portion 14 and intermediate portion 15 for connecting the sloping portion and the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall. Alternatively, the sloping portion 14 may be directly connected to the lower portion 10 of. The sloping portion 14 is divided between the upper module 20 and the lower module 21 of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. The intermediate portion 15 is located on the lower module 21 and extends vertically upwardly from the lower portion 10. The sloping portion 14 extends between the intermediate portion 15 and the upper portion 12, across the cavity of the cavity wall. In use, the sloping portion 14 extends upwardly between the outer leaf 5 to the inner leaf 4 of the cavity wall so that the upper portion 12 is at a higher level than the lower portion 10. Therefore, the sloping portion 14 creates a downward flow path for moisture from the inner leaf 4 to the outer leaf 5. This prevents moisture stagnating in the cavity or on the lower portion 10. The sloping portion 14 extends across the full depth of the cavity and has an upper surface and a lower surface. In use, the upper surface of the sloping portion 14 is configured to catch or intercept moisture falling from above and directs it towards the outer leaf 5 of the cavity wall. The upper portion 12 extends vertically upwardly from the sloping portion 14.
The cavity tray 1 has an arrangement for draining moisture out of the cavity. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 has an arrangement for draining moisture out of the cavity. In use, the arrangement for draining moisture out of the cavity is mountable between masonry of the outer leaf 5 of the cavity wall. This enables moisture to bypass the masonry and prevents accumulation of moisture at the inner surface of the outer leaf 5. This is in comparison to the moisture being absorbed by the bricks. The arrangement for draining moisture out of the cavity is locatable on the lower portion 10. The arrangement for draining moisture from the cavity has a weep vent.
The intermediate portion 15 has a back surface and a front surface which faces the inner surface of the outer leaf 5. There is a slight gap between the front surface and the inner surface of the outer leaf 5 to enable moisture to flow down the front surface to the arrangement for draining moisture from the cavity. The arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 is flexible and adjustable. The length of the lower portion 10 is adjustable correspond with the width of the outer leaf 5 of the cavity wall. The lower portion 10 is configurable to be trimmed. Therefore, in use, any portion of the lower portion 15 extending beyond the outer surface of the outer leaf 5 can be trimmed as required.
The cavity tray has a stop end to prevent internal moisture cascading over the end of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 into the cavity. The stop end extends from the upper portion 12 to the lower portion 10. The stop end has a folded portion of a lateral edge of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. In use, the stop end of adjacent cavity trays abut against each other. Alternatively, the means for delivering moisture toward the outer leaf of a cavity wall of adjacent cavity trays are overlapped. The cavity tray 1 has an arrangement for preventing slippage of the cavity tray 1 relative to the surface or masonry upon which it is mounted. In use, the arrangement for preventing slippage is configured to engage with mortar to resist movement of the cavity tray 1 relative to the surface or masonry upon which it is mounted. The arrangement for preventing slippage comprises indents, perforations, ribs, deformations and/or any other means suitable to ensure a good mortar bond. The arrangement for preventing slippage is locatable on a bottom surface of the lower portion 10 of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. The arrangement for preventing thermal bridging between leaves of the cavity wall 16 is impervious to water, is non-combustible and is an insulator. The arrangement for preventing thermal bridging between leaves of the cavity wall 16 is formable from any material having low thermal conductivity. The arrangement for preventing thermal bridging between leaves of the cavity wall 16 is configured to wrap around the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. Therefore, the arrangement for preventing thermal bridging between leaves of the cavity wall 16 prevents the conduction of heat through the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. Alternatively, the arrangement for preventing thermal bridging between leaves of the cavity wall 16 may be formed as an integral part of the arrangement for delivering internal moisture to the outer leaf of a cavity wall 2.
The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to press against the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2 and/or a structural support in the cavity. At least part of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to be compressed between the arrangement for delivering internal moisture to the outer cavity leaf of a cavity wall 2 and a structural support.
At least part of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to compress against a lower surface of the sloping portion 14 and the back of the intermediate portion 15 of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. At least part of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to press against all other elements in, of and/or surrounding the cavity at an intersection of the cavity wall with a floor slab or window/door opening to close all openings or gaps at such intersection of the cavity wall. This prevents fire pollutants bypassing the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3.
The cavity tray 1 is configurable to slot over a structural support 9. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configurable to slot over, behind and/or under a structural support 9. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is locatable between a structural support 9 in the cavity and the inner leaf 4 of the cavity wall. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is configured to compress between a structural support 9 in a cavity and the inner leaf 4 of a cavity wall. The cavity tray 1 is cut to easily slot over structural support 9.
The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is cut to easily slot over the structural support 9. The cavity tray 1 is cut to correspond to the shape and size of the portion of the structural support 9 so that the cavity tray 1 remains compressed against the structural support 9 upon which the cavity tray is slotted and so that there are no gaps or openings between the cavity tray 1 and the structural support 9 upon which the cavity tray 1 is slotted. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 9 is cut to correspond to the shape and size of the portion of the structural support 9 so that the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 remains compressed against the structural support 9 and so that there are no gaps between the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 and the structural support 9 upon which the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is slotted.
The cavity tray 1 is pre-formed and pre-cut. This enables easy installation of the cavity tray 1. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is pre-formed and pre-cut. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is pre-cut no more than 50% of the way through. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is pre-cut to no more than 25% of the way through.
This maintains the integrity of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 and reduces the risk of fracture of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is modular. Alternatively, the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 may be formed as one piece. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 has two or more modules 17, 18. The two or more modules 17,18 have at least one fire sock. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is attachable to the arrangeable for delivering internal moisture to the outer leaf of a cavity wall 2. The arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 and the means for delivering internal moisture towards the outer cavity leaf of the cavity wall 2 are configured to be installed together. This enhances the ease of installation of the cavity tray 1.
In use, a cavity in a cavity wall is sealed by installing a cavity tray 1 in the cavity between the inner leaf 4 and outer leaf 5 and along the cavity as far as the inner leaf 4 and outer leaf 5 extend around the building, the cavity tray 1 having an arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2, the cavity tray 1 further having an arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3. In use, an arrangement for preventing thermal bridging 16 is applied around the arrangement for delivering internal moisture to the outer leaf of a cavity wall 2 or is formed as an integral part of the arrangement for delivering internal moisture to the outer leaf of a cavity wall 2. In use, cavity wall having an outer leaf 5, an inner leaf 4 and a structural support 9 aligning the outer leaf 5 with the inner leaf 4 and/or floor slab 8 in junction with the inner leaf 4 is constructed.
In use, the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is slotted over the structural support 9 such that at least part of the arrangement for preventing fire pollutants passing between floors/levels of a building via the cavity 3 is compressed against the structural support 9 and the inner leaf 4 of the cavity wall. Alternatively, one of the two or more modules 17 is slotted over the structural support such that at least part of the module 17 presses against the structural support and inner leaf 4 of the cavity wall. Then another of the two or more modules 18 is slotted over the structure support from an underside of the cavity such that at least part of that module presses against the structural support and the inner leaf of the cavity wall.
In use, the lower module 21 of the arrangement for delivering internal moisture towards the outer leaf of the cavity wall 2 is secured between masonry on the outer leaf 5 of the cavity wall so that it extends into the cavity. In use, the arrangement for delivering internal moisture towards the outer leaf of the cavity wall 2 is arranged to correspond to the width of the cavity such that the upper module 20 overlaps the lower module 21 by at least 25mm and such that the upper portion 12 is at a higher level than the lower portion 10. In use, the upper module 20 is secured to the inner leaf 4 of the cavity wall via mechanical fastening means such as self-tapping screws. In use, the means for draining moisture out of the cavity is installed, if required, such that there is a clear flow path between the inner surface and the outer surface of the outer cavity leaf 5 for moisture to drain.
In use, the cavity tray 1 is installed adjacent to or overlapping another cavity tray. This occurs along the cavity as far as the inner leaf 4 and outer leaf 5 extend around the building.
In use, the remainder of the outer leaf 5 of the cavity wall is constructed above the lower portion 10 of the arrangement for delivering internal moisture towards the outer leaf of a cavity wall 2. In use, any portion of the lower portion 10 extending beyond the outer surface of the outer leaf 5 of the cavity wall is trimmed, as suited.
The skilled man will appreciate that all preferred or optional features of the invention described with reference to only some aspects or embodiments of the invention may be applied to all aspects of the invention.
It will be appreciated that optional features applicable to one aspect of the invention can be used in any combination, and in any number. Moreover, they can also be used with any of the other aspects of the invention in any combination and in any number. This includes, but is not limited to, the dependent claims from any claim being used as dependent claims for any other claim in the claims of this application.
In relation to the detailed description of the different embodiments of the invention, it will be understood that one or more technical features of one embodiment can be used in combination with one or more technical features of any other embodiment where the transferred use of the one or more technical features would be immediately apparent to a person of ordinary skill in the art to carry out a similar function in a similar way on the other embodiment.
The features disclosed in the foregoing description or the following drawings, expressed in their specific forms or in terms of a means for performing a disclosed function, or a method or a process of attaining the disclosed result, as appropriate, may separately, or in any combination of such features be utilised for realising the invention in diverse forms thereof.
Claims (1)
- CLAIMS1 A non-combustible cavity tray for a cavity wall of a building comprising a means for delivering internal moisture towards the other leaf of a cavity wall, the cavity tray being width adjustable to fit all/multiple cavities of different sizes 2 A non-combustible cavity tray according to claim 1, wherein the width of the cavity tray is adjustable to correspond to the width of the cavity.3 A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray is configurable to engage with the outer leaf of a cavity wall.4 A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray is configurable to engage with the inner leaf of a cavity wall.A non-combustible cavity tray according to any of the preceding claims, wherein the means for delivering internal moisture towards the outer leaf of a cavity wall is extendable.6. A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray is modular.7 A non-combustible cavity tray according to any of the preceding claims, wherein the means for delivering internal moisture towards the outer leaf of a cavity wall is modular.8. A non-combustible cavity tray according to claim 7, wherein the means for delivering internal moisture towards the outer leaf of a cavity wall comprises an upper module and a lower module.9. A non-combustible cavity tray according to claim 8, wherein the upper module is configurable to overlap the lower module.A non-combustible cavity tray according to claim 8, wherein the lower module is configurable to be secured between masonry on the outer leaf of a cavity wall.11 A non-combustible cavity tray according to claim 8, wherein the upper module is configurable to be secured to an inner leaf of a cavity wall.12 A non-combustible cavity tray according to any preceding claim, wherein the means for delivering internal moisture towards the outer leaf of a cavity wall comprises a lower portion, an upper portion and a middle portion extending between the lower portion and the upper portion so that the upper portion of the means for delivering internal moisture towards the outer leaf of a cavity wall is at a higher level than the lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.13 A non-combustible cavity tray according to claim 12, wherein the middle portion comprises a sloping portion configurable to create a downward flow path for moisture in a direction from the inner leaf of a cavity wall towards the outer leaf of a cavity wall.14 A non-combustible cavity tray according to claim 12 when dependent on claim 8, wherein the lower portion is locatable on the lower module of the means for delivering moisture towards the outer leaf of a cavity wall, the upper portion is locatable on the upper module of the means for delivering internal moisture towards the outer leaf of a cavity wall and the middle portion is divided between the upper module and the lower module of the means for delivering internal moisture towards the outer leaf of a cavity wall.15. A non-combustible cavity tray according to any preceding claim, wherein the cavity tray comprises a means for draining moisture out of the cavity, locatable between masonry of the outer leaf of the cavity wall, in use, to enable moisture to bypass the masonry.16 A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray comprises a stop end to prevent internal moisture cascading over a lateral end of the means for delivering internal moisture towards the outer leaf of a cavity wall, into the cavity.17 A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray is configurable to overlap and/or underly an adjacent cavity tray.18 A non-combustible cavity tray according to any of the preceding claims, wherein the cavity tray comprises a means for preventing slippage of the cavity tray relative to the surface upon which it is mounted.19 A non-combustible cavity tray according to claim 18, wherein the means for preventing slippage is configurable to engage with mortar to resist movement of the cavity tray relative to the surface upon which it is mounted and/or to ensure a good mortar bond.20 A non-combustible cavity tray according to claim 18, wherein the means for preventing slippage comprises indents, perforations, ribs, deformations and/or any other means suitable to ensure a good mortar bond.21 A non-combustible cavity tray according to claim 18 when dependant on claim 12, wherein the means for preventing slippage is locatable on a lower portion of the means for delivering internal moisture towards the outer leaf of a cavity wall.22 A non-combustible cavity tray according to any preceding claim, wherein the cavity tray comprises means for preventing flames and heat and/or other fire pollutants passing between floors/levels of the building via the cavity.23 A non-combustible cavity tray for a cavity wall of a building comprising a means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray comprising a stop end 24 A non-combustible cavity tray for a cavity wall of a building comprising means for delivering internal moisture towards the outer leaf of a cavity wall, the cavity tray being a cavity barrier/cavity sock for preventing fire passing the cavity tray.25 A non-combustible cavity tray for a cavity wall of a building comprising means for delivering internal moisture towards the outer leaf of a cavity wall, the means for delivering internal moisture towards the outer leaf of a cavity wall comprising means for preventing slippage.
Priority Applications (1)
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GB2318888.1A GB2622973A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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GB201915276A GB201915276D0 (en) | 2019-10-22 | 2019-10-22 | Cavity tray |
GBGB1916167.8A GB201916167D0 (en) | 2019-11-06 | 2019-11-06 | Cavity tray |
GBGB2000153.3A GB202000153D0 (en) | 2019-10-22 | 2020-01-07 | Cavity tray |
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GB2115530.4A Active GB2598231B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2016807.6A Active GB2589979B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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GB2406192.1A Pending GB2626290A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2016786.2A Active GB2589978B (en) | 2019-10-22 | 2020-10-22 | Cavity Tray |
GB2016812.6A Pending GB2590773A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2318888.1A Pending GB2622973A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2016811.8A Active GB2589980B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2115534.6A Active GB2598232B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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GBGB1918961.2A Ceased GB201918961D0 (en) | 2019-10-22 | 2019-12-20 | A barrier for providing insulation and/or preventing the spread of fire |
GBGB2000153.3A Ceased GB202000153D0 (en) | 2019-10-22 | 2020-01-07 | Cavity tray |
GB2115530.4A Active GB2598231B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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GB2300924.4A Active GB2613968B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2211703.0A Active GB2609559B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2406192.1A Pending GB2626290A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2016786.2A Active GB2589978B (en) | 2019-10-22 | 2020-10-22 | Cavity Tray |
GB2016812.6A Pending GB2590773A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
GB2318888.1A Pending GB2622973A (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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GB2115534.6A Active GB2598232B (en) | 2019-10-22 | 2020-10-22 | Cavity tray |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2609038A (en) * | 2021-07-20 | 2023-01-25 | Shillabeer John | Masonry Support |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2588649B (en) * | 2019-10-30 | 2021-11-10 | Acs Stainless Steel Fixings Ltd | Cavity tray system |
GB2615905B (en) * | 2021-06-02 | 2024-04-17 | Coda Products Ltd | Cavity tray system |
GB2607323B (en) * | 2021-06-02 | 2023-05-24 | Coda Products Ltd | Cavity tray system |
GB202112835D0 (en) * | 2021-09-09 | 2021-10-27 | Knauf Insulation Ltd | Building fire protection |
GB2618597B (en) * | 2022-05-12 | 2024-06-19 | Acs Stainless Ltd | Masonry support element and/or attachment mechanism |
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GB2509767A (en) * | 2013-01-15 | 2014-07-16 | Daniel Cooper | Damp proof course, cavity tray, flashing or lintel with protruding regions |
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2019
- 2019-12-20 GB GBGB1918961.2A patent/GB201918961D0/en not_active Ceased
-
2020
- 2020-01-07 GB GBGB2000153.3A patent/GB202000153D0/en not_active Ceased
- 2020-10-22 IE IE20200236A patent/IE20200236A2/en unknown
- 2020-10-22 IE IE20200232A patent/IE87490B1/en unknown
- 2020-10-22 IE IE20200233A patent/IE20200233A2/en unknown
- 2020-10-22 GB GB2115530.4A patent/GB2598231B/en active Active
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- 2020-10-22 GB GB2016811.8A patent/GB2589980B/en active Active
- 2020-10-22 GB GB2115534.6A patent/GB2598232B/en active Active
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EP0387043A1 (en) * | 1989-03-08 | 1990-09-12 | Tbp Industries Limited | Cavity wall tray |
GB2292956A (en) * | 1995-01-27 | 1996-03-13 | Cavity Trays Ltd | Cavity tray with adjustable upstand |
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GB2609038A (en) * | 2021-07-20 | 2023-01-25 | Shillabeer John | Masonry Support |
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