WO2014174433A1 - Multilayer insulating panels for the composition of ventilated floors and/or vertical walls - Google Patents

Multilayer insulating panels for the composition of ventilated floors and/or vertical walls Download PDF

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Publication number
WO2014174433A1
WO2014174433A1 PCT/IB2014/060898 IB2014060898W WO2014174433A1 WO 2014174433 A1 WO2014174433 A1 WO 2014174433A1 IB 2014060898 W IB2014060898 W IB 2014060898W WO 2014174433 A1 WO2014174433 A1 WO 2014174433A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel according
multilayer
base plate
layer
covering layer
Prior art date
Application number
PCT/IB2014/060898
Other languages
French (fr)
Inventor
Mauro Ettore PARIS
Dario CAMPRA
Original Assignee
Roofingreen S.R.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Roofingreen S.R.L. filed Critical Roofingreen S.R.L.
Publication of WO2014174433A1 publication Critical patent/WO2014174433A1/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/24Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • E04C2/243Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20 one at least of the material being insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/32Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/326Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • E04F13/0876Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer the covering layer comprising mutual alignment or interlocking means
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/08Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass
    • E04F15/082Flooring or floor layers composed of a number of similar elements only of stone or stone-like material, e.g. ceramics, concrete; of glass or with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass with a top layer of stone or stone-like material, e.g. ceramics, concrete or glass in combination with a lower layer of other material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/102Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/105Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/02Flooring or floor layers composed of a number of similar elements
    • E04F15/10Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
    • E04F15/107Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/181Insulating layers integrally formed with the flooring or the flooring elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/206Layered panels for sound insulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10Inorganic particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00Floor coverings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00Walls, panels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2201/00Joining sheets or plates or panels
    • E04F2201/09Puzzle-type connections for interlocking male and female panel edge-parts
    • E04F2201/095Puzzle-type connections for interlocking male and female panel edge-parts with both connection parts, i.e. male and female connection parts alternating on one edge

Definitions

  • the present invention relates to a multilayer modular insulating panels adapted ' for covering floors and/or vertical walls.
  • the thermal-acoustic insulation properties offered by the ventilated facades and floors are known and appreciated.
  • the present invention has as its aim to produce modular panels for composing a ventilated floor or vertical wall having a high thermal-acoustic insulation, involving reduced assembling costs by virtue of a particular ease in coupling the panels.
  • a panel comprises a series of layers of different materials, with different aims and properties, for the composition of a ventilated covering floor or vertical wall, that is thermally and acoustically insulating.
  • the panel can be draining and have anti-trauma properties, in accordance with the European EN 1177 regulation.
  • the panel forms an air chamber with a floor below or a supporting back wall. When the panel is used for the composition of a ventilated floor, the air chamber allows the outflow of water and allows the passage of cables.
  • Fig. 1 is a perspective view of a multilayer panel according to a first embodiment of the invention
  • Fig. 2 is a perspective view showing the lower face of the panel of Fig. 1 ;
  • Fig. 3 is a perspective view of a multilayer panel according to a second embodiment of the invention.
  • Fig. 4 is a perspective view showing the lower face of the panel of Fig. 3;
  • Figs. 5 and 6 are perspective views, from different angles, of a multilayer panel according to a further embodiment of the invention
  • Fig. 7 is a vertical sectional view schematically illustrating a panel anchored to a vertical back wall, for the composition of a ventilated facade or vertical wall
  • Fig. 8 is a vertical sectional view schematically illustrating a panel rested onto a horizontal floor.
  • a first embodiment of a multilayer modular panel is generally indicated with the number 10, in this example for the composition of a ventilated floor, adapted for being rested on a pre-existing floor P, so as to fom a ventilated interspace between the floor below and the panel.
  • the multilayer panel 10 comprises a series of superimposed layers, including:
  • one or more intermediate substrates 30 including a material with thermal-acoustic insulation properties
  • the supporting layer 40 integrally forms a plurality of inferiorly protruding portions.
  • the protruding portions, indicated with 42, are adapted for resting upon a supporting floor below P (Fig. 1) or against a vertical back wall R (Fig. 7).
  • Such protrusions 42 may have the same length, to impart the superficial covering layer 20 a planar configuration, or variable lengths, to give superficial layer 20 a tridimensional or non-planar configuration, as described herein below.
  • the superficial covering layer 20 helps to build a walkable or vehicular surface.
  • the superficial layer 20 may comprise one of the materials mentioned in the following non-exhaustive list: synthetic turf; natural or artificial stone; a ceramic material, preferably stoneware; resilient materials such as, for example, PVC, linoleum, rubber; natural or composite wood (WPC); reinforced glass; a walk-on photovoltaic panel or solar thermal collector.
  • synthetic turf natural or artificial stone
  • a ceramic material preferably stoneware
  • resilient materials such as, for example, PVC, linoleum, rubber
  • natural or composite wood (WPC) natural or composite wood
  • reinforced glass a walk-on photovoltaic panel or solar thermal collector.
  • the superficial covering layer is made of synthetic turf, having foot traffic pleasantness.
  • the intermediate substrate 30 comprises a material with thermal-acoustic insulation properties.
  • the type of insulating material of the substrate 30, and particularly its density, as well as the substrate thickness, will be able to be varied as a function of the desired physical-technical performance, particularly as a function of the thermal and/or acoustic insulation degree, and possibly of the elastic pliancy ⁇ degree.
  • the following materials are set forth by way of example: polyethylene cross-linked foam, extruded polyethylene foam, extruded polystyrene foam, extruded polypropylene foam, polypropylene cross-linked foam, sintered polystyrene foam, nanoporous solids obtained by using nanotechnologies (for example, Aerogel). The above list is not exhaustive.
  • one or more foils 33 of aluminum or materials with shielding properties may be included in the panel.
  • the insulating substrate 30 can be divided into two or more superimposed layers.
  • the insulating substrate 30 may comprise two superimposed substrates 31, 32 of insulating material, of which the upper substrate 31, nearer to the superficial layer 20 is relatively more rigid than the lower substrate 32, which is more pliant.
  • the higher rigidity or mechanical force of the upper substrate 31 helps to prevent the perforation of the panel due to pointed objects, such as heels.
  • the foils of aluminum 33 or other shielding material can be interposed between the various substrates 31, 32.
  • the shielding foils 33 can be interposed between the insulating substrate 30 and the superficial layer 20 or the supporting layer 40.
  • the thickness of each of the two underlayers for example, in the order of 8 mm of thickness each, as well as the density of the composing material (for example, 30-100 kg/m 3 ) may vary according to the desired thermal insulation.
  • the insulating substrate 30 can be permanently joined to both the superficial layer 20 and the supporting layer 40, for example, by an adhesive or by thermal or infrared solidarization.
  • the insulating substrate 30 can be coupled to the layers 20 and 40 by mechanical connecting means, or in a releasable manner, for example, by a quick snap coupling means.
  • the supporting layer 40 may comprise a base plate 41 with a surface 43 facing the direction opposite to that of the superficial layer 20.
  • the base plate 41 forms the plurality of protrusions or bumps 42 protruding from the surface 43 for resting upon a pre-existing supporting floor P (Figs. 1-6) or against a vertical 5 back wall R (Fig. 7). In order to ensure a stable support, it is preferred that the protrusions 42 are evenly distributed on the lower surface 43.
  • an air chamber or interspace C is formed between the panel 10 and the floor P below (or the vertical back wall R) helping to ventilate the supporting 0 floor P or the back wall R and, for the applications on a horizontal floor, it allows the outflow of rainwater.
  • the protrusions 42 have an equal height, whereby the superficial layer 20 is arranged according to a planar surface substantially horizontal or 5 parallel to the supporting floor below.
  • the air chamber C has a constant height.
  • the protrusions 42 of a same panel may have different heights, so as to impart the superficial layer 20 with a tridimensional or non-planar shape, for example,
  • Such- reliefs or depressions can indifferently originate from the juxtaposition of multiple panels, and/or they may be formed by the individual panels, as illustrated for example in the Figs. 5 and 6. It is possible to obtain multiple combinations.
  • the protrusions 42 of a same panel may have progressively or linearly increasing lengths, so as to form a superficial layer 20 laying in an
  • the air chamber C has a variable height.
  • the protrusions 42 located below two diagonally opposite vertexes have a height less than the protrusions located in the areas of the other two vertexes.
  • the length of the protrusions 42 may be such as to allow the passage of cables through the air chamber C.
  • the length of the protrusions hence the height or thickness of the air chamber C, will be able to be about 25 mm to accommodate a corrugated tube having a diameter of 20 mm.
  • the length of the protrusions may be less, for example, 10 mm or less, for those applications where no cables need to be passed below the floor.
  • the length of the protrusions 42 may be greater or variable, for example, with lengths that are locally also above 150 mm for producing tridimensional surfaces.
  • the supporting layer 40 is preferably made of polymeric plastic material, more preferably polyethylene (PE) or polypropylene (PP). These materials impart the supporting layer 40 a certain flexibility degree, facilitating the contact of the protrusions 42 with the floor below P.
  • PE polyethylene
  • PP polypropylene
  • the protrusions 42 may be internally hollow.
  • the protrusions 42 in order to obtain a ventilated floor, the protrusions 42 forms cavities 48 therein, providing a closed bottom 49.
  • the cavities 48 can suitably act as receptacles to be filled with various loose materials (for example, sand) and retain such materials within them, so as to create a stabilizing mass that prevents the floor or some panels constituting it from being displaced by the wind.
  • the filling material (sand) promotes the contact of all the protrusions 42 with the floor P below, hence it ensures also a better support of the panel, especially in the cases where the floor below P is uneven. If the sand (or other filling material) completely fills the cavities 48, such material concurs to support the loads weighing on the panel.
  • the multilayer panel 10 has an overall shape of a polygonal plate, in these examples, square or rectangular, forming a multiplicity of mechanical connection means 1 1 for the connection to other similar modular panels.
  • the mechanical connection means 11 are peripheral interlocking formations 1 1 , preferably obtained as dovetail formations.
  • the peripheral connection means may take different shapes, for example, looped rounded, or L-shaped, or T-shaped, formations, which are anyhow adapted for coupling with peripheral recesses formed between adjacent and complementary protrusions of a contiguous panel.
  • the specific shape of the 5 connection means 1 1 is not to be meant as limiting for the invention.
  • the panel may take polygonal shapes different from the rectangular or squared one, for example, triangular or hexagonal, or even different shapes, provided that they are modular in order to obtain a ventilated surface.
  • peripheral interlocking formations 1 1 allow coupling together multiple panels of the type illustrated in the figures, thereby forming a ventilated floor or vertical wall that is insulating, draining, light-weighted, easy to be installed, and easy to be transported.
  • peripheral interlocking formations 1 1 are 5 formed by all the layers 20, 30 and 40 of the multilayer panel 10. This configuration facilitates the replacement of an individual panel without requiring the disposal of other panels of the same floor.
  • the base plate 41 is a polygonal plate, in this example, a squared plate, with straight edges. Two consecutive edges 44, 45 of the base plate 41 are arranged in such a way as to let protrude laterally, at least partially, the connecting interlocking formations 1 1 provided by the insulating substrate 30 and the covering layer 20. The other two consecutive edges 46, 47 !5 of the base plate 41 run in laterally outer positions, so that the base plate 41 also extends below the interlocking formations 1 1 arranged along the other two sides of the panel.
  • the base plate 41 is offset, with respect to the peripheral edges of the insulating substrate 30 and the covering layer 20, in a direction substantially parallel to a diagonal of the base plate 41.
  • the polygonal shape with straight edges of the base plate 41 reduces the risk that some of the protrusions 42 has in the peripheral area of the interlocking formations 1 1 are accidentally cut in half during the cutting step of the plates 41, which would make the panel peripheral area pliant.
  • the polygonal shape of the plate 41 allows varying the density and distance, hence the length of the protrusions 42, according to the needs, independently from the shape and arrangement of the interlocking formations 11.
  • the coupling precision between the base plate 41 and the layers 30 and 20 above is improved if, as in the example illustrated in the Figs. 3 and 4, the outermost edges 46, 47 of the base plate run flush with the outermost end of the peripheral formations 11.
  • the floor composed of the multilayer panels 10 can have draining properties.
  • the panels in order to avoid the stagnation of rainwater, may have at least one through vertical perforation suitable to promote the water outflow from the superficial layer to the interspace C below.
  • the through perforation may provide a plurality of through holes (not shown) distributed across the panel.
  • the multilayer panels 10 may be used for obtaining a vertical ventilated wall, as illustrates also in Fig. 7.
  • the protrusions 42 of the supporting layer 40 are rested against a vertical and pre-existing back wall R.
  • the panel can be anchored to the wall R by means of securing members F.
  • the invention is susceptible of modifications as regards the shapes, dimensions, and arrangements of parts, constructive details and materials used.
  • the multilayer panel will be able to be made in a 50 x 50 cm format, or in any other formats, according to the needs.
  • the various embodiments described or referred to may be combined with any other embodiments.
  • the invention is not limited to the embodiments described, but may be varied within the scope as defined by the appended claims.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Building Environments (AREA)
  • Floor Finish (AREA)

Abstract

A panel (10) provides peripheral connections (11) for providing an interlocking connection with other similar modular panels. A superficial covering layer (20) is provided on a first face of the panel, visible in use. An intermediate substrate (30) of a thermally insulating material is interposed between the covering layer (20) and a supporting layer (40), integral with the intermediate substrate (30) and arranged on a second face of the panel opposite to the first face. The supporting layer (40) provides a series of discrete protrusions (42) adapted for resting upon a supporting floor below (P) or against a vertical back wall (R) so as to form, with the floor below or the back wall (R), a ventilated air chamber (C). Each of the protrusions (42) provides an inner cavity (48) and a closed bottom (49), whereby the inner cavities (48) are adapted for being filled with and retain a loose material within them, such as sand.

Description

Multilayer insulating panels for the composition of ventilated floors and/or vertical walls
The present invention relates to a multilayer modular insulating panels adapted ' for covering floors and/or vertical walls.
The thermal-acoustic insulation properties offered by the ventilated facades and floors are known and appreciated. The present invention has as its aim to produce modular panels for composing a ventilated floor or vertical wall having a high thermal-acoustic insulation, involving reduced assembling costs by virtue of a particular ease in coupling the panels.
These and other objects and advantages, which will be better understood below, are achieved according to the invention by a modular panel having the characteristics set forth in claim 1. Preferred embodiments of the invention are defined in the dependent claims.
In summary, a panel comprises a series of layers of different materials, with different aims and properties, for the composition of a ventilated covering floor or vertical wall, that is thermally and acoustically insulating. The panel can be draining and have anti-trauma properties, in accordance with the European EN 1177 regulation. The panel forms an air chamber with a floor below or a supporting back wall. When the panel is used for the composition of a ventilated floor, the air chamber allows the outflow of water and allows the passage of cables.
A few preferred, non-limiting embodiments of the invention will be now described, with reference to the appended drawings, in which:
Fig. 1 is a perspective view of a multilayer panel according to a first embodiment of the invention;
Fig. 2 is a perspective view showing the lower face of the panel of Fig. 1 ;
Fig. 3 is a perspective view of a multilayer panel according to a second embodiment of the invention;
Fig. 4 is a perspective view showing the lower face of the panel of Fig. 3;
Figs. 5 and 6 are perspective views, from different angles, of a multilayer panel according to a further embodiment of the invention; Fig. 7 is a vertical sectional view schematically illustrating a panel anchored to a vertical back wall, for the composition of a ventilated facade or vertical wall; and
Fig. 8 is a vertical sectional view schematically illustrating a panel rested onto a horizontal floor.
Referring first to Figs. 1 to 4, a first embodiment of a multilayer modular panel is generally indicated with the number 10, in this example for the composition of a ventilated floor, adapted for being rested on a pre-existing floor P, so as to fom a ventilated interspace between the floor below and the panel.
The multilayer panel 10 comprises a series of superimposed layers, including:
a superficial covering layer 20 on a first face of the panel,
one or more intermediate substrates 30 including a material with thermal-acoustic insulation properties,
- a supporting layer 40, arranged on a second face of the panel opposite to the first face. The supporting layer 40 integrally forms a plurality of inferiorly protruding portions. The protruding portions, indicated with 42, are adapted for resting upon a supporting floor below P (Fig. 1) or against a vertical back wall R (Fig. 7). Such protrusions 42 may have the same length, to impart the superficial covering layer 20 a planar configuration, or variable lengths, to give superficial layer 20 a tridimensional or non-planar configuration, as described herein below.
The superficial covering layer 20, visible in use, helps to build a walkable or vehicular surface. According to the needs, the superficial layer 20 may comprise one of the materials mentioned in the following non-exhaustive list: synthetic turf; natural or artificial stone; a ceramic material, preferably stoneware; resilient materials such as, for example, PVC, linoleum, rubber; natural or composite wood (WPC); reinforced glass; a walk-on photovoltaic panel or solar thermal collector. In the examples illustrated in the Figs. 1 to 6, the superficial covering layer is made of synthetic turf, having foot traffic pleasantness.
The intermediate substrate 30 comprises a material with thermal-acoustic insulation properties. The type of insulating material of the substrate 30, and particularly its density, as well as the substrate thickness, will be able to be varied as a function of the desired physical-technical performance, particularly as a function of the thermal and/or acoustic insulation degree, and possibly of the elastic pliancy^ degree. The following materials are set forth by way of example: polyethylene cross-linked foam, extruded polyethylene foam, extruded polystyrene foam, extruded polypropylene foam, polypropylene cross-linked foam, sintered polystyrene foam, nanoporous solids obtained by using nanotechnologies (for example, Aerogel). The above list is not exhaustive.
In order to produce a more efficient shielding action against solar radiation and/or a protection against electromagnetic pollution, one or more foils 33 of aluminum or materials with shielding properties may be included in the panel.
According to an embodiment (Fig. 1), the insulating substrate 30 can be divided into two or more superimposed layers. For example, the insulating substrate 30 may comprise two superimposed substrates 31, 32 of insulating material, of which the upper substrate 31, nearer to the superficial layer 20 is relatively more rigid than the lower substrate 32, which is more pliant. The higher rigidity or mechanical force of the upper substrate 31 helps to prevent the perforation of the panel due to pointed objects, such as heels. The foils of aluminum 33 or other shielding material can be interposed between the various substrates 31, 32. Alternatively, the shielding foils 33 can be interposed between the insulating substrate 30 and the superficial layer 20 or the supporting layer 40. The thickness of each of the two underlayers, for example, in the order of 8 mm of thickness each, as well as the density of the composing material (for example, 30-100 kg/m3) may vary according to the desired thermal insulation.
The insulating substrate 30 can be permanently joined to both the superficial layer 20 and the supporting layer 40, for example, by an adhesive or by thermal or infrared solidarization. According to an alternative, non-illustrated embodiment, the insulating substrate 30 can be coupled to the layers 20 and 40 by mechanical connecting means, or in a releasable manner, for example, by a quick snap coupling means. According to the embodiments illustrated, the supporting layer 40 may comprise a base plate 41 with a surface 43 facing the direction opposite to that of the superficial layer 20. The base plate 41 forms the plurality of protrusions or bumps 42 protruding from the surface 43 for resting upon a pre-existing supporting floor P (Figs. 1-6) or against a vertical 5 back wall R (Fig. 7). In order to ensure a stable support, it is preferred that the protrusions 42 are evenly distributed on the lower surface 43.
By virtue of the protrusions 42, an air chamber or interspace C is formed between the panel 10 and the floor P below (or the vertical back wall R) helping to ventilate the supporting 0 floor P or the back wall R and, for the applications on a horizontal floor, it allows the outflow of rainwater.
In the embodiments of the Figs. 1 to 4, the protrusions 42 have an equal height, whereby the superficial layer 20 is arranged according to a planar surface substantially horizontal or 5 parallel to the supporting floor below. In such examples, the air chamber C has a constant height.
In other embodiments, the protrusions 42 of a same panel may have different heights, so as to impart the superficial layer 20 with a tridimensional or non-planar shape, for example,
!0 forming reliefs, bumps, depressions, etc. Such- reliefs or depressions can indifferently originate from the juxtaposition of multiple panels, and/or they may be formed by the individual panels, as illustrated for example in the Figs. 5 and 6. It is possible to obtain multiple combinations. For example, the protrusions 42 of a same panel may have progressively or linearly increasing lengths, so as to form a superficial layer 20 laying in an
!5 inclined plane.
By suitably sizing the lengths of the protrusions 42, and by putting the panels side by side so that the edges of two contiguous panels have the same height or distance from the floor below P, ventilated floors can be obtained, having profiles with a continuously variable iO height. In the embodiment of the Figs. 5 and 6, the air chamber C has a variable height. In such embodiment, the protrusions 42 located below two diagonally opposite vertexes have a height less than the protrusions located in the areas of the other two vertexes. According to requirements, the length of the protrusions 42 may be such as to allow the passage of cables through the air chamber C. To this end, the length of the protrusions, hence the height or thickness of the air chamber C, will be able to be about 25 mm to accommodate a corrugated tube having a diameter of 20 mm. The length of the protrusions may be less, for example, 10 mm or less, for those applications where no cables need to be passed below the floor. In other applications, the length of the protrusions 42 may be greater or variable, for example, with lengths that are locally also above 150 mm for producing tridimensional surfaces.
The supporting layer 40 is preferably made of polymeric plastic material, more preferably polyethylene (PE) or polypropylene (PP). These materials impart the supporting layer 40 a certain flexibility degree, facilitating the contact of the protrusions 42 with the floor below P.
The protrusions 42 may be internally hollow. In the embodiment of Fig. 8, in order to obtain a ventilated floor, the protrusions 42 forms cavities 48 therein, providing a closed bottom 49. The cavities 48 can suitably act as receptacles to be filled with various loose materials (for example, sand) and retain such materials within them, so as to create a stabilizing mass that prevents the floor or some panels constituting it from being displaced by the wind. The filling material (sand) promotes the contact of all the protrusions 42 with the floor P below, hence it ensures also a better support of the panel, especially in the cases where the floor below P is uneven. If the sand (or other filling material) completely fills the cavities 48, such material concurs to support the loads weighing on the panel.
The multilayer panel 10 has an overall shape of a polygonal plate, in these examples, square or rectangular, forming a multiplicity of mechanical connection means 1 1 for the connection to other similar modular panels. In these examples, the mechanical connection means 11 are peripheral interlocking formations 1 1 , preferably obtained as dovetail formations. According to other embodiments, the peripheral connection means may take different shapes, for example, looped rounded, or L-shaped, or T-shaped, formations, which are anyhow adapted for coupling with peripheral recesses formed between adjacent and complementary protrusions of a contiguous panel. The specific shape of the 5 connection means 1 1 is not to be meant as limiting for the invention. In other embodiments, the panel may take polygonal shapes different from the rectangular or squared one, for example, triangular or hexagonal, or even different shapes, provided that they are modular in order to obtain a ventilated surface.
0 The peripheral interlocking formations 1 1 allow coupling together multiple panels of the type illustrated in the figures, thereby forming a ventilated floor or vertical wall that is insulating, draining, light-weighted, easy to be installed, and easy to be transported.
In the embodiment of the Figs. 1 and 2, the peripheral interlocking formations 1 1 are 5 formed by all the layers 20, 30 and 40 of the multilayer panel 10. This configuration facilitates the replacement of an individual panel without requiring the disposal of other panels of the same floor.
The embodiment of the Figs. 3 and 4 provides for the supporting layer 40 to be free from !0 peripheral interlocking formations. According to such variant embodiment, the base plate 41 is a polygonal plate, in this example, a squared plate, with straight edges. Two consecutive edges 44, 45 of the base plate 41 are arranged in such a way as to let protrude laterally, at least partially, the connecting interlocking formations 1 1 provided by the insulating substrate 30 and the covering layer 20. The other two consecutive edges 46, 47 !5 of the base plate 41 run in laterally outer positions, so that the base plate 41 also extends below the interlocking formations 1 1 arranged along the other two sides of the panel. In the embodiment of the Figs. 3 and 4, the base plate 41 is offset, with respect to the peripheral edges of the insulating substrate 30 and the covering layer 20, in a direction substantially parallel to a diagonal of the base plate 41.
iO
The polygonal shape with straight edges of the base plate 41 reduces the risk that some of the protrusions 42 has in the peripheral area of the interlocking formations 1 1 are accidentally cut in half during the cutting step of the plates 41, which would make the panel peripheral area pliant. The polygonal shape of the plate 41 allows varying the density and distance, hence the length of the protrusions 42, according to the needs, independently from the shape and arrangement of the interlocking formations 11.
By virtue of the offset of the profiles between the edges of the base plate 41 and the insulating 30 and covering 20 layers, there are no discontinuities or vertical passages between two adjacent panels; this can be advantageous, in certain applications, to increase the insulating action of the ventilated floor or vertical wall.
The coupling precision between the base plate 41 and the layers 30 and 20 above is improved if, as in the example illustrated in the Figs. 3 and 4, the outermost edges 46, 47 of the base plate run flush with the outermost end of the peripheral formations 11. The floor composed of the multilayer panels 10 can have draining properties. According to further embodiments (not shown), in order to avoid the stagnation of rainwater, the panels may have at least one through vertical perforation suitable to promote the water outflow from the superficial layer to the interspace C below. The through perforation may provide a plurality of through holes (not shown) distributed across the panel.
The multilayer panels 10 may be used for obtaining a vertical ventilated wall, as illustrates also in Fig. 7. The protrusions 42 of the supporting layer 40 are rested against a vertical and pre-existing back wall R. The panel can be anchored to the wall R by means of securing members F.
The invention is susceptible of modifications as regards the shapes, dimensions, and arrangements of parts, constructive details and materials used. The multilayer panel will be able to be made in a 50 x 50 cm format, or in any other formats, according to the needs. The various embodiments described or referred to may be combined with any other embodiments. Furthermore, the invention is not limited to the embodiments described, but may be varied within the scope as defined by the appended claims.

Claims

1. A multilayer insulating modular panel (10) for the composition of ventilated floors or vertical walls, the panel comprising:
peripheral mechanical connection means (1 1) for providing interlocking connection to other similar modular panels,
a superficial covering layer (20) on a first face of the panel,
at least one intermediate substrate (30) of a thermally insulating material, integral with the covering layer (20), and
a supporting layer (40), integral with the intermediate substrate (30) and arranged on a second face of the panel opposite to the first face, the supporting layer (40) forming a plurality of discrete protrusions (42) adapted for resting upon a supporting floor below (P) or against a vertical back wall (R) so as to form a ventilated air chamber (C) with the supporting floor or the back wall (R);
wherein the protrusions (42) each provide an inner cavity (48) and a closed bottom (49) whereby the inner cavities (48) are adapted for being filled with and retain a loose material within them, preferably sand.
2. A multilayer panel according to claim 1, wherein the material of the insulating substrate (30) is chosen among the following: polyethylene cross-linked foam, extruded polyethylene foam, extruded polystyrene foam, extruded polypropylene foam, polypropylene cross-linked foam, sintered polystyrene foam, nanoporous solids.
3. A multilayer panel according to claim 1 or 2, wherein the panel includes one or more foils (33) of aluminum or another material having shielding properties.
4. A multilayer panel according to claim 1 or 2 or 3, wherein the insulating substrate
(30) is divided into two or more superimposed substrates (31, 32), of which a first substrate
(31) , nearer to the superficial covering layer (20), is more rigid than a second substrate (32) farther from the superficial covering layer (20).
5. A multilayer panel according to claims 3 and 4, wherein at least one foil (33) of aluminum or another material having shielding properties is interposed between two superimposed substrates (31, 32) of the insulating substrate (30). 6. A multilayer panel according to any one of the preceding claims, wherein the superficial covering layer (20), visible in use, is selected from the following: synthetic turf; natural or artificial stone; ceramic materials; resilient materials; natural wood, a wood- plastic composite (WPC), reinforced glass; walk-on photovoltaic panels or solar thermal collectors.
7. A multilayer panel according to any one of the preceding claims, wherein the supporting layer (40) comprises a base plate (41), the base plate (41) providing a surface (43) facing a direction opposite to the superficial layer (20), and wherein the base plate (41) forms the protrusions (42), which protrude beyond the surface (43) of the base plate (41) by a length ranging between 10 and 150 mm.
8. A multilayer panel according to any one of the preceding claims, wherein the supporting layer (40) is made of a polymeric plastic material, preferably polyethylene (PE) or polypropylene (PP).
9. A multilayer panel according to claim 7, wherein the base plate (41) is a polygonal plate with straight edges (44-47), and wherein the base plate (41) provides:
two consecutive edges (44, 45) arranged in such a way as to let the interlocking formations connection (11) provided by the insulating substrate (30) and the superficial covering layer (20) protrude laterally, at least partially, in proximity of the two consecutive edges (44, 45), and
other two consecutive edges (46, 47) which run in laterally outer positions, in such a way that the base plate (41) also extends below the interlocking formations (1 1) presented by the insulating substrate (30) and the covering layer (20) in proximity of said two other consecutive edges (46, 47).
10. A multilayer panel according to claim 9, wherein the base plate (41) is offset, with respect to the peripheral edges of the insulating substrate (30) and the covering layer (20), in a direction substantially parallel to a diagonal of the base plate (41).
5 1 1. A multilayer panel according to claim 9 or 10, wherein the two consecutive edges (46, 47) which run in outer positions are arranged flush with outermost end portions of the peripheral formations (1 1) provided by the insulating substrate (30) and the covering layer (20) in the proximity of said two consecutive edges (46, 47).
) 12. A multilayer panel according to any one of the preceding claims, wherein the protrusions (42) of a same panel (10) have an equal length.
13. A multilayer panel according to any one of claims 1 to 1 1, wherein the protrusions (42) of a same panel (10) have different lengths.
5
14. A multilayer panel according to claim 13, wherein the surface layer (20) is arranged according to a non-planar surface.
15. A multilayer panel according to any one of claims 1 to 13, wherein the covering ) layer (20) is arranged according to a planar surface.
16. A multilayer panel according to any one of the preceding claims, wherein there is formed at least one perforation through the panel to facilitate the outflow of water from the superficial covering layer (20) to the air chamber (C).
5
17. A ventilated floor or vertical wall comprising a plurality of multilayer modular insulating panels (10) according to any one of the preceding claims.
PCT/IB2014/060898 2013-04-22 2014-04-22 Multilayer insulating panels for the composition of ventilated floors and/or vertical walls WO2014174433A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000319A ITTO20130319A1 (en) 2013-04-22 2013-04-22 INSULATING MULTILAYER PANELS FOR THE COMPOSITION OF FLOORING AND / OR VENTILATED VERTICAL WALLS
ITTO2013A000319 2013-04-22

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