EP1003694A1 - Mineral fibre insulation - Google Patents
Mineral fibre insulationInfo
- Publication number
- EP1003694A1 EP1003694A1 EP98936400A EP98936400A EP1003694A1 EP 1003694 A1 EP1003694 A1 EP 1003694A1 EP 98936400 A EP98936400 A EP 98936400A EP 98936400 A EP98936400 A EP 98936400A EP 1003694 A1 EP1003694 A1 EP 1003694A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- batt
- density
- roof
- batts
- external
- 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.)
- Withdrawn
Links
- 238000009413 insulation Methods 0.000 title claims description 10
- 239000000835 fiber Substances 0.000 title abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 title description 2
- 239000011707 mineral Substances 0.000 title description 2
- 238000005253 cladding Methods 0.000 claims abstract description 28
- 238000004090 dissolution Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000011253 protective coating Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 239000011888 foil Substances 0.000 description 5
- 241000446313 Lamella Species 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 roof felt Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2213/00—Glass fibres or filaments
- C03C2213/02—Biodegradable glass fibres
Definitions
- This invention relates to bonded man-made vitreous fibre (MMVF) batts which are constructed for use as external roof or wall cladding or as pipe sections, i.e., insulation for fitting around pipes.
- MMVF vitreous fibre
- Batts for external use are much more exposed to adverse conditions such as moisture, sun, temperature and wind than batts for internal use.
- the combination of moisture and heat can create an aggressive environment for the fibres, but conventional MMVF fibres, in conventional batt constructions, resist this.
- the exposure to wind can promote delamination, but sufficient structural strength can be provided by known techniques such as bonding with a bonding agent and by constructing the batt with the fibre direction predominantly perpendicular, as lamellar boards, instead of the conventional orientation of being substantially parallel to the face of the batt.
- batts for internal or external pipe sections insulation are more exposed to humid conditions than batts for regular internal uses, especially when enclosed in an aluminium membrane or plastics membrane or other impermeable sheath.
- a problem which arises with the use of MMVF batts made from fibres having appreciable solubility at near neutral pH (approximately pH 7.5) in roof or wall cladding is that the fibres are liable to degrade when exposed , to atmospheric humidity for prolonged periods or when exposed to condensation or direct contact with water. Accordingly it can be unsatisfactory to use such fibres for external roof or wall cladding, unless special precautions are taken to minimise this problem.
- the fibres have a dissolution rate of at least 20nm per day when measured at a pH of 4.5 (by the methods described in 096/14454) .
- they are relatively insoluble at pH 7.5.
- the invention includes the MMVF cladding batts themselves, their use as external wall or roof cladding in buildings and building components which are to be on the exterior of a building, and the buildings or building components themselves which include the defined MMVF batts.
- the invention includes the use of pipe sections for insulating pipes.
- the building or building component generally comprises a metal, wood or other frame work on to which the MWF batts are secured in a position such that they will be on the exterior of the building in use.
- the building may be an entire building, but the invention also includes building components, for instance a roof structure or wall structure.
- the roof or wall structure may constitute an entire roof or wall fo " f a " building or several such structures, each containing a plurality of batts, may be assembled on site to provide a roof or wall.
- the cladding batt as initially manufactured (ie before leaving the plant where it is manufactured) or before installation in or on the building component or building is often provided with a substantially overall or impermeable coating on its external surface.
- This protective coating may be of water-repellant materials such as roofing felt or it may be of a foil or a decorative material such as paint. Even if such a coating is not applied before assembly, the external surface of the batt or batts in the building component or building are usually provided with a coating.
- roof boards may be coated with roof felt, asphalt, wood plate, vlies, foil or solar heating units. The roof boards are preferably sufficiently stiff that one can walk on them.
- Wall cladding may be coated with plaster
- One type of cladding batt according to the invention is a very high density MMVF batt, typically having a density 500 to 2,000 Kg/m 3 , often 700 to 1,200 Kg/m 3 .
- This high density product usually carries a coating of paint or other substantially impermeable or overall surface covering.
- Other batts according to the invention may have lower density than this and can be roof boards or wall boards of more conventional construction.
- the cladding batts of the invention usually have a density of at least 50 Kg/m and often at least 70 Kg/m , typically up to 500 Kg/m . Batts of differing densities can be laid one upon the other in use, with the higher density batt usually on the outside.
- Preferred cladding products of the invention have a multi-density construction, usually a dual density construction, with the MMVF layer which is on the outside of the building in use having a higher density than, and formed substantially integral with, the remainder of the MMVF batt .
- the outer layer usual has a density of at least 60 Kg/m and preferably at least 70 or 80 Kg/m , and often it has a density of at least 20 Kg/m , and frequently at least 50 Kg/m , above the density of the layer beneath it.
- the high density outer layer is usually at least 5 mm thick, often 10 to 40 mm thick and typically constitutes 2 to 30%, often 3 to 15 or 20%, of the total thickness of the MMVF batt.
- the cladding batts are usually square or rectangular slabs but can have other, more complex, shapes, especially when they form parts of roofs.
- the batts generally have a thickness of 10 to 500 mm.
- the thicker batts are stiff and are provided as slabs but some of the thinner batts, for instance as facade or wall boards, may sometimes be supplied as a roll of sheet material.
- the cladding batts and pipe sections are usually bonded by incorporation of conventional phenolic or other binder, typically in amounts of 1 to 5%, often 2 to 4%, by weight of the batt .
- Water-repellent material may additionally be included in the cladding batts and pipe sections during manufacture in conventional manner, for instance an oil may be included to improve water-repellency.
- the total ignition loss of the batts is generally in the range 2 or 3% up to 5 or 6%.
- the batts can be made by any of the conventional techniques known for making batts of the desired construction for description of suitable methods of making and using external MMVF wall and roof cladding and pipe sections, reference should be made to any or all of EP 133,083, 277,500, 420,837, 435,942, 518,964, 521,058, 560,878, 590,098 and 654,100, GB 1,027,799 and 2,223,248, DK 155,163 and DK-U3-9200033, DE-U1-29616962 , DE 4,143,387, 4,319,340 and 4,432,866, and W094/16162 , 94/16163, 94/16164 and 95/20708, and WO89/07731, WO89/07733, W096/37728 and WO97/01060.
- the fibres may be substantially parallel to the external face of the batt or the fibres may be substantially perpendicular to the face of the batt, the product then being of the type conventionally known as a lamellar batt or slab.
- External roof cladding can have any of the normal configurations of roof boards or other roof cladding and generally has a density in the range 100 to 400, preferably 100 to 200, Kg/m 3 and a thickness of 10 to 500, usually 10 to 300 mm.
- Single layer roof boards often have a density of 100- 300kg/m and a thickness of 10-300mm. Instead of using a single layer, several layers may be applied one on top of the other, for instance as a combination of lamellar and normal batts, but preferably with the outer layer having the highest density and/or being a lamellar batt.
- Preferred roof cladding is formed of dual density batts.
- the density of the bottom may be 60-200kg/m and the density of the top is usually at least 50kg/m more and is usually 200-400 kg/m .
- the thickness of the bottom may be at least 15mm and the thickness of the top may be 100- 300mm. The maximum total thickness is usually 350mm.
- Wall cladding can be of two types.
- the first type is what is commonly known as a facade board.
- the other type of wall cladding is often known as a lamella board.
- the wall cladding generally has a density in the range 50 to 400, often 50 to 200 Kg/m 3 , often around 50 to 150 Kg/m 3 .
- facade boards may have a density of around 70 to 150 Kg/m whilst lamellar boards may have a density of 50 to 100 or 150 Kg/m . They may have a thickness typically of 10 to 300, often 10 to 200 mm.
- Lamella boards can be made with lower densities compared to the normal single layer boards. Furthermore, lamella boards can resist the influence of the wind (delamination strength) , which can be a problem with normal single layer boards having the same density. Lamella boards normally have an impermeable surface coating, for instance of wood, foil, roofing felt or other substantially impermeable sheet material .
- Typical facade boards have a width of 20cm or more, e.g., 60cm, and can typically have a length of 1-2 metres (e.g., 1.2m) but can be a roll (e.g., 10m). Roof boards usually have a width of above 50cm (e.g., 60cm or 120cm up to 150cm) and a length which is more (e.g., 90cm up to 300cm, e.g., 180 or 140cm).
- Pipe sections are used for heating insulation, cooling insulation or condensing insulation around internal or external pipes and pipe fittings.
- Condensing insulation has a thickness or shape designed so that vapour condenses on the outer surface of the pipe section and/or so that condensed vapour is drained out of the pipe section in order to prevent corrosion of the pipes (see EP 739,470, WO94/05947; EP 528,936, W097/16676).
- the sections can be covered with impermeable aluminium foil or plates; paper coated with aluminium; metal plates, i.e., steel plates, preferably galvanised metal plates, with a corrosion-preventing plastic film or coating; roofing felt; or woven or non-woven glass fibre fleece or cloth.
- the pipe sections may be coated with: canvas, paint, plastic foil, i.e., PVC, cardboard or paper.
- the covering material can be impregnated with bitumen in order to be weather resistant.
- the covering material can be fire resistant.
- Pipe sections have a density from 40-400Kg/m , preferably 60-300Kg/m .
- the pipe sections may include support rings which are part of the insulation.
- Pipe sections may consist of two types of wool, one type for the pipes and another more dense type for the support rings. These support rings have the purpose for cold pipes to avoid condensation and for hot pipes to avoid thermal loss.
- Pipe section support rings usually have densities from 150- 400Kg/m preferably 250-350Kg/m and preferred around
- 300Kg/ Wool for the remainder of the pipe section typically has density of 40-200Kg/m , preferably 60- 180Kg/m 3 .
- the preferred amount of Si0 2 , Al 2 0 3 , CaO, FeO, Alkali, Ti0 2 and other elements, and the preferred viscosities and dissolution rates (at pH 4.5 and at pH 7.5) are all preferably as described in W096/14454 and W096/14274 and reference should be made to those.
- the amount of MgO is preferably not more than 4.5%.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Building Environments (AREA)
- Glass Compositions (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Insulated Conductors (AREA)
- Manufacturing Of Electric Cables (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9717486.6A GB9717486D0 (en) | 1997-08-18 | 1997-08-18 | Roof and wall cladding |
GB9717486 | 1997-08-18 | ||
PCT/EP1998/003979 WO1999008969A1 (en) | 1997-08-18 | 1998-06-30 | Mineral fibre insulation |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1003694A1 true EP1003694A1 (en) | 2000-05-31 |
Family
ID=10817658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98936400A Withdrawn EP1003694A1 (en) | 1997-08-18 | 1998-06-30 | Mineral fibre insulation |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1003694A1 (en) |
JP (1) | JP2001515006A (en) |
CN (1) | CN1267271A (en) |
AU (1) | AU8541398A (en) |
CA (1) | CA2301260A1 (en) |
GB (1) | GB9717486D0 (en) |
HR (1) | HRP980454A2 (en) |
HU (1) | HUP0004699A3 (en) |
PL (1) | PL338833A1 (en) |
SK (1) | SK1892000A3 (en) |
WO (1) | WO1999008969A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6265335B1 (en) * | 1999-03-22 | 2001-07-24 | Armstrong World Industries, Inc. | Mineral wool composition with enhanced biosolubility and thermostabilty |
WO2001060754A1 (en) * | 2000-02-15 | 2001-08-23 | Rockwool International A/S | Man-made vitreous fibres and products containing them |
EP1463776A4 (en) * | 2002-01-10 | 2009-03-25 | Unifrax Corp | High temperature resistant vitreous inorganic fiber |
GB0522980D0 (en) * | 2005-11-10 | 2005-12-21 | Morgan Crucible Co | High temperature resistant fibres |
US7807594B2 (en) * | 2007-08-15 | 2010-10-05 | Johns Manville | Fire resistant glass fiber |
US8916082B2 (en) | 2008-11-17 | 2014-12-23 | The Boeing Company | Heat resistance using titanium dioxide nanofibers |
WO2011006875A2 (en) * | 2009-07-13 | 2011-01-20 | Rockwool International A/S | Mineral fibres and their use |
KR101477733B1 (en) * | 2011-04-12 | 2014-12-30 | 주식회사 케이씨씨 | Mineral Wool Fiber Composition having improved Bio-Solubility, And Mineral Wool |
DK178622B1 (en) * | 2012-09-05 | 2016-09-12 | Saint-Gobain Isover Ab | Insulation system for a roof structure |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29515168U1 (en) * | 1994-11-08 | 1996-03-14 | Rockwool International A/S, Hedehusene | Artificial glassy fibers |
WO1996014454A2 (en) * | 1994-11-08 | 1996-05-17 | Rockwool International A/S | Man-made vitreous fibres |
GB9525475D0 (en) * | 1995-12-13 | 1996-02-14 | Rockwool Int | Man-made vitreous fibres and their production |
-
1997
- 1997-08-18 GB GBGB9717486.6A patent/GB9717486D0/en active Pending
-
1998
- 1998-06-30 CA CA002301260A patent/CA2301260A1/en not_active Abandoned
- 1998-06-30 AU AU85413/98A patent/AU8541398A/en not_active Abandoned
- 1998-06-30 HU HU0004699A patent/HUP0004699A3/en unknown
- 1998-06-30 EP EP98936400A patent/EP1003694A1/en not_active Withdrawn
- 1998-06-30 SK SK189-2000A patent/SK1892000A3/en unknown
- 1998-06-30 JP JP2000509662A patent/JP2001515006A/en active Pending
- 1998-06-30 CN CN98808263.2A patent/CN1267271A/en active Pending
- 1998-06-30 PL PL98338833A patent/PL338833A1/en unknown
- 1998-06-30 WO PCT/EP1998/003979 patent/WO1999008969A1/en not_active Application Discontinuation
- 1998-08-18 HR HR9717486.6A patent/HRP980454A2/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9908969A1 * |
Also Published As
Publication number | Publication date |
---|---|
HUP0004699A2 (en) | 2001-04-28 |
CA2301260A1 (en) | 1999-02-25 |
PL338833A1 (en) | 2000-11-20 |
JP2001515006A (en) | 2001-09-18 |
CN1267271A (en) | 2000-09-20 |
AU8541398A (en) | 1999-03-08 |
WO1999008969A1 (en) | 1999-02-25 |
GB9717486D0 (en) | 1997-10-22 |
HUP0004699A3 (en) | 2002-02-28 |
SK1892000A3 (en) | 2000-09-12 |
HRP980454A2 (en) | 1999-04-30 |
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Free format text: 20010602 0100 ROCKWOOL ISOLATION S.A., SOCIETE ANONYME * 20010602 0200 ROCKFON SAS * 20010602 0300 ROCKWOOL ROCKPANEL B.V. * 20010602 0400 ROCKDELTA A/S * 20010602 0500 LAPINUS FIBRES B.V. * 20010602 0600 ROCKWOOL/GRODAN B.V. |
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