US20030136078A1 - Thermal insulation - Google Patents

Thermal insulation Download PDF

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Publication number
US20030136078A1
US20030136078A1 US10/349,226 US34922603A US2003136078A1 US 20030136078 A1 US20030136078 A1 US 20030136078A1 US 34922603 A US34922603 A US 34922603A US 2003136078 A1 US2003136078 A1 US 2003136078A1
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Prior art keywords
layer
textile
frame
breathable
aluminium
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Abandoned
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US10/349,226
Inventor
Hugo Brown
Rudal Belanyl
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Thermal Economics Ltd
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Individual
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Assigned to THERMAL ECONOMICS LIMITED reassignment THERMAL ECONOMICS LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BELANYI, RUDOLF, BROWN, HUGO
Publication of US20030136078A1 publication Critical patent/US20030136078A1/en
Abandoned legal-status Critical Current

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    • 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
    • E04B1/7608—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 comprising a prefabricated insulating layer, disposed between two other layers or panels
    • E04B1/7612—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 comprising a prefabricated insulating layer, disposed between two other layers or panels in combination with an air space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered 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
    • B32B15/08—Layered 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 synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • 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
    • E04B1/625—Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps

Definitions

  • the present invention relates to an improved method and material for insulating buildings. It is particularly applicable, but in no way limited, to the insulation of framed structures including timber frame and steel frame buildings.
  • vapour barrier is incorporated on the inner face of the inner sheathing layer and a water resistant breather membrane is positioned on the outer face of the outer sheathing layer.
  • the frame volume is filled with an insulating blanket such as fibreglass or mineral wool.
  • the outer, or breather membrane is designed to stop external water ingress but still allow the dissipation of water vapour. Most commonly it is made from a non-woven polymer textile. Micro-perforated sheeting has been tried but is generally not considered appropriate.
  • the vapour barrier associated with the inner sheathing layer is designed to prevent or reduce water vapour ingress into the building. Typically this can be formed from a continuous polythene sheet.
  • a method of insulating a building having a frame construction wherein the wall of said building comprises an outer cladding layer, a cavity, and a load bearing frame comprising the step of introducing into said cavity an insulating membrane comprising:
  • the breathable textile layer comprises a non-woven textile.
  • the breathable textile layer comprises a woven textile.
  • the breathable textile layer comprises a fleece, and the fleece may be compressed.
  • the breathable textile layer may alternatively comprise felt or paper.
  • the textile layer is formed from a plastics material, which is particularly preferably selected from a group comprising:
  • the reflective layer comprises a metallised layer, which particularly preferably comprises aluminium.
  • the reflective layer comprises aluminium in the form of foil, laminate or a veneer, or aluminium deposited by vapour deposition.
  • the reflective layer is applied to the textile in the form of a vacuum vaporised aluminium coating in a form which does not materially reduce the permeability/breathability of the textile layer.
  • the metallised layer may optionally be coated with a protective layer to protect the metal surface from damp.
  • the reflective layer may incorporate perforations, preferably micro perforations.
  • the insulating membrane comprises a non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition.
  • the surface emissivity coefficient of the insulating membrane is in the range 0.01 to 0.25, and preferably the water resistivity is in the range 0.05 to 1 MNsg ⁇ 1 .
  • FIG. 1 illustrates diagrammatically an insulating membrane according to the present invention stretched across the outer sheathing layer of a portion of a frame building within the cavity between the frame and the outer brickwork cladding;
  • FIG. 2 illustrates a horizontal cross-section through a portion of frame construction according to the present invention.
  • frame construction in this context is intended to encompass constructions in which a structure is formed from a structural or load bearing frame clad in some weatherproof material.
  • the frame is generally constructed from wood or steel or other material as selected by the material specialist.
  • the internal and external surfaces of the frame are covered with a sheathing material to take internal finishes and to retain insulation within the frame. There is inevitably a cavity between the frame and the cladding.
  • the nature and composition of the textile-containing membrane are important for this method to be effective.
  • the membrane consists of two layers, a breathable textile layer and a reflective layer.
  • the textile layer can be made from a wide range of woven or non-woven fabrics, felt or paper. The key requirements are that this layer should be highly breathable as compared to polythene or other plastic sheet materials.
  • the textile layer must have sufficient strength to support the reflective layer and to retain its integrity, even under damp conditions.
  • Textiles made from man-made fibres have proven to be most suitable for this purpose and examples of suitable materials are polypropylene, polyethylene, polyester, polyamide, polycarbonate, polyvinyl chloride and mixtures thereof. It is not intended that this list should be exhaustive but rather give an indication of the type and breadth of fibres which can be used.
  • the reflective layer is generally formed by a metalised layer on one or both sides of the fabric layer.
  • the technology required to produce laminated reflective insulation is known, for example from WO 99/60222 (PIRITYI), the entire text of which is incorporated herein by reference.
  • the metalised layer is typically formed from aluminium which can be in the form of a foil or veneer or may be formed by vapour deposition.
  • the metalised layer may or may not be coated with a layer of plastic or varnish to protect the metal surface from damp.
  • the metalised layer is applied to the textile layer in the form a vacuum vaporised aluminium coating.
  • the technology required to deposit aluminium in this form is known to the person skilled in the art.
  • a metalized layer deposited in this way does not materially reduce the permeability/breathability of the textile layer.
  • the metalised layer may be micro-perforated to allow the passage of water vapour through the membrane but prevent the ingress of liquid water. Again such micro-perforation technology is known.
  • An example of a preferred membrane for use in this method consists of a compressed non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition.
  • FIG. 1 This illustrates a section of a timber frame building comprising a timber frame 10 , outer sheathing board 11 , outer cladding 12 and a cavity 13 .
  • An insulating, reflective breather membrane is installed against the sheathing board 11 exactly as a standard timber frame breather membrane would be.
  • the foil surface of the breather membrane dramatically enhances the thermal value of the existing outer cladding.
  • the method of the invention consists of the application of a thermally insulating breather membrane to the external surface of a timber frame construction as illustrated, for the purpose of allowing the dissipation of water vapour from the construction, whilst protecting it from rain water ingress, and at the same time, improving the thermal insulation of the construction by virtue of a low emissive coating on one or both faces of membrane.
  • a membrane for use in this application has been described.
  • the preferred physical characteristics of the membrane consists of a non-woven manmade (polymer) textile, with a vaporised or laminated aluminium surface coating on one or both sides, which will have a surface emissivity coefficient ranging from 0.01 to 0.25.
  • the water vapour resistance tested to BS3177:1959 lies in the range between 0.05 MNsg ⁇ 1 and 1.0 MNsg ⁇ 1 and passes “EOSIN” resistance to water penetration test to BS4016:1972.
  • a cross-sectional view, shown in FIG. 2, also illustrates how the present method of insulation is applied.
  • This illustrates a cladding layer 22 and a frame construction, shown as 30 , separated by a cavity 23 .
  • the frame is constructed from metal studs 28 or timber studs 20 , sandwiched between inner 25 and outer 21 sheathing layers. Whilst both metal and wooden studs are shown in this diagram this is for illustration purposes only. Generally one material or the other would be used throughout one section.
  • Insulation 26 is packed into the space between the sheathing layers.
  • a breather membrane 24 having the construction and properties described above is installed against the outer face of the outer sheathing layer in place of a conventional water resistant breather membrane.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Insulated Conductors (AREA)
  • Laminated Bodies (AREA)

Abstract

A method of insulating a building having a frame construction wherein the wall of said building comprises an outer cladding layer, a cavity, and a load bearing frame, said method comprising the step of introducing into said cavity an insulating membrane comprising: (i) a reflective layer; and (ii) a breathable textile layer.

Description

    FIELD OF THE INVENTION
  • The present invention relates to an improved method and material for insulating buildings. It is particularly applicable, but in no way limited, to the insulation of framed structures including timber frame and steel frame buildings. [0001]
    • BACKGROUND TO THE INVENTION
  • Buildings having a frame construction in which a supporting frame is constructed and then clad with brickwork, block work or other cladding material are well known. There is generally a cavity between the external cladding and the frame, and insulating material is usually installed within the frame itself. The external and internal surfaces of the frame are covered by sheathing layers which retain this insulation in place. The internal surface of the frame carries a sheathing layer to take the internal building finishes. This type of building construction allows for a good deal of off-site pre-fabrication and can reduce time on-site significantly, when compared to conventional building methods. Frame buildings are thus becoming increasingly popular. The frame can be constructed from a range of materials including wood and steel. [0002]
  • As explained above, this type of building construction requires incorporation of a good deal of thermal insulation. In addition, a breathable waterproof barrier is required to prevent water penetration into the building interior whilst allowing water vapour to pass into and out of the structure. [0003]
  • A number of solutions have been developed to provide the necessary level of insulation whilst still allowing for the movement of water vapour. Traditionally, a vapour barrier is incorporated on the inner face of the inner sheathing layer and a water resistant breather membrane is positioned on the outer face of the outer sheathing layer. The frame volume is filled with an insulating blanket such as fibreglass or mineral wool. The outer, or breather membrane is designed to stop external water ingress but still allow the dissipation of water vapour. Most commonly it is made from a non-woven polymer textile. Micro-perforated sheeting has been tried but is generally not considered appropriate. The vapour barrier associated with the inner sheathing layer is designed to prevent or reduce water vapour ingress into the building. Typically this can be formed from a continuous polythene sheet. [0004]
  • A problem arises if improved insulation values are required. Since the frame is already packed with insulating material, a wider frame width would be required to achieve better insulation values. This would involve use of more frame material i.e. wood or steel, both of which are expensive. It would also involve changes to the production line where units are pre-fabricated. Both of these changes would lead to a significant increase in building costs. [0005]
  • An alternative would be to add an insulating membrane within the cavity. However, existing membranes have not performed well in this application and this route has generally been rejected by the building industry. Such membranes are usually formed from a laminate of aluminium foil and polyethylene, or some other sheet plastic material, and can include an air cushion layer. Whilst these membranes have good U values, they do not have the desired breathability for this type of application. [0006]
  • It is an objective of the present invention to overcome or mitigate some or all of these problems. [0007]
    • SUMMARY OF THE INVENTION
  • According to a first aspect of the present invention there is provided a method of insulating a building having a frame construction wherein the wall of said building comprises an outer cladding layer, a cavity, and a load bearing frame, said method comprising the step of introducing into said cavity an insulating membrane comprising: [0008]
  • (i) a reflective layer; and [0009]
  • (ii) a breathable textile layer. [0010]
  • Use of a textile layer instead of a polythene or other plastic sheet material to support the reflective layer provides improved insulation values and allows the building to breathe. Preferably the breathable textile layer comprises a non-woven textile. [0011]
  • In an alternative preferred embodiment the breathable textile layer comprises a woven textile. [0012]
  • In a particularly preferred embodiment the breathable textile layer comprises a fleece, and the fleece may be compressed. [0013]
  • The breathable textile layer may alternatively comprise felt or paper. [0014]
  • Preferably the textile layer is formed from a plastics material, which is particularly preferably selected from a group comprising: [0015]
  • polypropylene [0016]
  • polyethylene [0017]
  • polyester [0018]
  • polyamide [0019]
  • polycarbonate [0020]
  • polyvinyl chloride [0021]
  • or mixtures thereof. [0022]
  • Preferably the reflective layer comprises a metallised layer, which particularly preferably comprises aluminium. [0023]
  • Preferably the reflective layer comprises aluminium in the form of foil, laminate or a veneer, or aluminium deposited by vapour deposition. [0024]
  • In a particularly preferred embodiment the reflective layer is applied to the textile in the form of a vacuum vaporised aluminium coating in a form which does not materially reduce the permeability/breathability of the textile layer. [0025]
  • The metallised layer may optionally be coated with a protective layer to protect the metal surface from damp. [0026]
  • The reflective layer may incorporate perforations, preferably micro perforations. [0027]
  • In a preferred embodiment, the insulating membrane comprises a non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition. [0028]
  • Preferably the surface emissivity coefficient of the insulating membrane is in the range 0.01 to 0.25, and preferably the water resistivity is in the range 0.05 to 1 MNsg[0029] −1.
  • According to a second aspect of the invention there is provided a frame building insulated according to the method of the first aspect of the invention.[0030]
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • Preferred embodiments to the present invention will now be more particularly described with reference to the following drawing in which: [0031]
  • FIG. 1 illustrates diagrammatically an insulating membrane according to the present invention stretched across the outer sheathing layer of a portion of a frame building within the cavity between the frame and the outer brickwork cladding; [0032]
  • FIG. 2 illustrates a horizontal cross-section through a portion of frame construction according to the present invention.[0033]
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The preferred embodiments of the present invention will now be described by way of example only. They are not the only ways in which the invention can be put into practise but they are currently the best ways known to the applicant by which this can be achieved. [0034]
  • The building and construction industry is pre-disposed against the use of plastic-based reflective membranes in the cavities of frame construction buildings. The term frame construction in this context is intended to encompass constructions in which a structure is formed from a structural or load bearing frame clad in some weatherproof material. The frame is generally constructed from wood or steel or other material as selected by the material specialist. The internal and external surfaces of the frame are covered with a sheathing material to take internal finishes and to retain insulation within the frame. There is inevitably a cavity between the frame and the cladding. [0035]
  • Examples of this type of construction can be found in residential and small commercial buildings, portable buildings and caravans. [0036]
  • The pre-disposition against reflective membranes arises because of the poor breathablity of the prior art plastic-based membranes. It has unexpectedly been discovered that by incorporating a textile-type of reflective membrane on the external surface of the frame, i.e. within the cavity between the cladding and the frame, much improved insulation values can be achieved with no detrimental effects. [0037]
  • The nature and composition of the textile-containing membrane are important for this method to be effective. In its simplest form the membrane consists of two layers, a breathable textile layer and a reflective layer. The textile layer can be made from a wide range of woven or non-woven fabrics, felt or paper. The key requirements are that this layer should be highly breathable as compared to polythene or other plastic sheet materials. [0038]
  • The textile layer must have sufficient strength to support the reflective layer and to retain its integrity, even under damp conditions. Textiles made from man-made fibres have proven to be most suitable for this purpose and examples of suitable materials are polypropylene, polyethylene, polyester, polyamide, polycarbonate, polyvinyl chloride and mixtures thereof. It is not intended that this list should be exhaustive but rather give an indication of the type and breadth of fibres which can be used. [0039]
  • The reflective layer is generally formed by a metalised layer on one or both sides of the fabric layer. The technology required to produce laminated reflective insulation is known, for example from WO 99/60222 (PIRITYI), the entire text of which is incorporated herein by reference. The metalised layer is typically formed from aluminium which can be in the form of a foil or veneer or may be formed by vapour deposition. The metalised layer may or may not be coated with a layer of plastic or varnish to protect the metal surface from damp. [0040]
  • In a particular preferred embodiment the metalised layer is applied to the textile layer in the form a vacuum vaporised aluminium coating. The technology required to deposit aluminium in this form is known to the person skilled in the art. A metalized layer deposited in this way does not materially reduce the permeability/breathability of the textile layer. [0041]
  • Where a foil or veneer is used, the metalised layer may be micro-perforated to allow the passage of water vapour through the membrane but prevent the ingress of liquid water. Again such micro-perforation technology is known. [0042]
  • An example of a preferred membrane for use in this method consists of a compressed non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition. [0043]
  • One application of this invention is illustrated in FIG. 1. This illustrates a section of a timber frame building comprising a [0044] timber frame 10, outer sheathing board 11, outer cladding 12 and a cavity 13. An insulating, reflective breather membrane is installed against the sheathing board 11 exactly as a standard timber frame breather membrane would be. The foil surface of the breather membrane dramatically enhances the thermal value of the existing outer cladding.
  • Thus the method of the invention consists of the application of a thermally insulating breather membrane to the external surface of a timber frame construction as illustrated, for the purpose of allowing the dissipation of water vapour from the construction, whilst protecting it from rain water ingress, and at the same time, improving the thermal insulation of the construction by virtue of a low emissive coating on one or both faces of membrane. [0045]
  • The nature and composition of a membrane for use in this application have been described. The preferred physical characteristics of the membrane consists of a non-woven manmade (polymer) textile, with a vaporised or laminated aluminium surface coating on one or both sides, which will have a surface emissivity coefficient ranging from 0.01 to 0.25. [0046]
  • The water vapour resistance tested to BS3177:1959 lies in the range between 0.05 MNsg[0047] −1 and 1.0 MNsg−1 and passes “EOSIN” resistance to water penetration test to BS4016:1972.
  • A cross-sectional view, shown in FIG. 2, also illustrates how the present method of insulation is applied. This illustrates a [0048] cladding layer 22 and a frame construction, shown as 30, separated by a cavity 23. The frame is constructed from metal studs 28 or timber studs 20, sandwiched between inner 25 and outer 21 sheathing layers. Whilst both metal and wooden studs are shown in this diagram this is for illustration purposes only. Generally one material or the other would be used throughout one section. Insulation 26 is packed into the space between the sheathing layers. A breather membrane 24 having the construction and properties described above is installed against the outer face of the outer sheathing layer in place of a conventional water resistant breather membrane.

Claims (20)

1. A method of insulating a building having a frame construction wherein the wall of said building comprises an outer cladding layer, a cavity, and a load bearing frame, said method comprising the step of introducing into said cavity an insulating membrane comprising:
(i) a reflective layer; and
(ii) a breathable textile layer.
2. A method according to claim 1, wherein the breathable textile layer comprises a non-woven textile.
3. A method according to claim 1, wherein the breathable textile layer comprises a woven textile.
4. A method according to claim 1, wherein the breathable textile layer comprises a fleece.
5. A method as claimed in claim 4, wherein the fleece is compressed.
6. A method according to claim 1, wherein the breathable textile layer comprises felt.
7. A method according to claim 1, wherein the breathable textile layer comprises paper.
8. A method according to claim 1, wherein the breathable textile layer is formed from a plastics material.
9. A method according to claim 8, wherein the plastics material is selected from a group comprising:
polypropylene
polyethylene
polyester
polyamide
polycarbonate
polyvinyl chloride
or a mixture thereof.
10. A method according to claim 1, wherein the reflective layer comprises a metallised layer.
11. A method according to claim 10, wherein the metallised layer comprises aluminium.
12. A method according to claim 11, wherein the aluminium is in a form selected from a group comprising: foil, laminate, veneer, vapour-deposited.
13. A method according to claim 11, wherein the reflective layer is applied to the textile in the form of a vacuum vaporised aluminium coating in a form which does not materially reduce the permeability/breathability of the textile layer.
14. A method according to any of claims 10, wherein the metallised layer is coated with a protective layer to protect the metal surface from damp.
15. A method according to claim 1, wherein the reflective layer incorporates perforations.
16. A method according to claim 15, wherein the perforations are micro perforations.
17. A method according to claim 2, wherein the insulating membrane comprises a non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition.
18. A method according to claim 1, wherein the surface emissivity coefficient of the insulating membrane is in the range 0.01 to 0.25.
19. A method according to claim 1, wherein the water resistivity of the insulating membrane is in the range 0.05 to 1 MNsg−1.
20. A frame building insulated according to the method of claim 1.
US10/349,226 2002-01-23 2003-01-22 Thermal insulation Abandoned US20030136078A1 (en)

Applications Claiming Priority (2)

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GB0201431A GB2382827B (en) 2002-01-23 2002-01-23 Improved thermal insulation
GB0201431.1 2002-01-23

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AT (1) ATE365839T1 (en)
DE (1) DE60314551T2 (en)
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GB (1) GB2382827B (en)

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US20060037815A1 (en) * 2004-08-18 2006-02-23 Schabel Norman G Jr Particulate insulation materials
US20060040091A1 (en) * 2004-08-23 2006-02-23 Bletsos Ioannis V Breathable low-emissivity metalized sheets
US20070037465A1 (en) * 2005-08-11 2007-02-15 Michel Nutz Porous metallized sheets coated with an inorganic layer having low emissivity and high moisture vapor permeability
US20070166528A1 (en) * 2006-01-18 2007-07-19 John James Barnes Process for forming a durable low emissivity moisture vapor permeable metallized sheet including a protective metal oxide layer
JP2012192547A (en) * 2011-03-15 2012-10-11 Iej:Kk Permeable sheet improved in heat retaining property and fiber product
WO2013025827A1 (en) 2011-08-15 2013-02-21 E. I. Du Pont De Nemours And Company A breathable product for protective mass transportation and cold chain applications
US20130061448A1 (en) * 2006-04-19 2013-03-14 Furio Orologio Metallized polymeric film reflective insulation material

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GB0222005D0 (en) * 2002-09-21 2002-10-30 Don & Low Ltd Improvements in and relating to liquid impermeable and liquid vapour/gas permeable fabrics
GB0229411D0 (en) * 2002-12-17 2003-01-22 Building Product Design Ltd Vapour permeable heat-reflective membranes
AU2004254124B2 (en) * 2003-07-04 2010-11-18 James Hardie Technology Limited Rainscreen apparatus and method
AU2003903440A0 (en) 2003-07-04 2003-07-17 James Hardie International Finance B.V. Rainscreen apparatus and method
GB0412796D0 (en) * 2004-06-09 2004-07-14 Price Philip A Supawall system
GB0423523D0 (en) 2004-10-22 2004-11-24 Hunt Tech Ltd Multi-layer vapour permeable thermal insulation system
GB0713874D0 (en) * 2007-07-17 2007-08-29 Thermal Economics Ltd Improved thermal insulation
FR2936583A1 (en) * 2008-09-26 2010-04-02 Kdb Isolation Phonic and/or thermal insulation panel for e.g. ceiling of house, has reflective layer permeable to water vapor, and core formed of insulation layer, where holes of insulation layer is in form of traversing orifices

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EP1331316B1 (en) 2007-06-27
GB0201431D0 (en) 2002-03-13
DE60314551T2 (en) 2008-10-09
GB2382827B (en) 2003-11-12
DE60314551D1 (en) 2007-08-09
GB2382827A (en) 2003-06-11
EP1331316A1 (en) 2003-07-30
ES2289238T3 (en) 2008-02-01
ATE365839T1 (en) 2007-07-15

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