US20030136078A1 - Thermal insulation - Google Patents
Thermal insulation Download PDFInfo
- 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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- United States
- Prior art keywords
- layer
- textile
- frame
- breathable
- aluminium
- Prior art date
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- Abandoned
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- 238000009413 insulation Methods 0.000 title description 14
- 239000004753 textile Substances 0.000 claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000010276 construction Methods 0.000 claims abstract description 15
- 238000005253 cladding Methods 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 65
- 239000000463 material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- -1 polypropylene Polymers 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000001398 aluminium Chemical class 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—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
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- It is an objective of the present invention to overcome or mitigate some or all of these problems.
- 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:
- (i) a reflective layer; and
- (ii) a breathable textile layer.
- 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.
- In an alternative preferred embodiment the breathable textile layer comprises a woven textile.
- In a particularly preferred embodiment the breathable textile layer comprises a fleece, and the fleece may be compressed.
- The breathable textile layer may alternatively comprise felt or paper.
- Preferably the textile layer is formed from a plastics material, which is particularly preferably selected from a group comprising:
- polypropylene
- polyethylene
- polyester
- polyamide
- polycarbonate
- polyvinyl chloride
- or mixtures thereof.
- Preferably the reflective layer comprises a metallised layer, which particularly preferably comprises aluminium.
- Preferably the reflective layer comprises aluminium in the form of foil, laminate or a veneer, or aluminium deposited by vapour deposition.
- 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.
- 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.
- In a preferred embodiment, the insulating membrane comprises a non-woven polypropylene fleece having an aluminium layer deposited onto the textile by vapour deposition.
- 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−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.
- Preferred embodiments to the present invention will now be more particularly described with reference to the following drawing in which:
- 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.
- 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.
- 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.
- Examples of this type of construction can be found in residential and small commercial buildings, portable buildings and caravans.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- One application of this invention is illustrated in FIG. 1. This illustrates a section of a timber frame building comprising a
timber frame 10,outer sheathing board 11,outer cladding 12 and acavity 13. An insulating, reflective breather membrane is installed against thesheathing 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.
- 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.
- 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 acavity 23. The frame is constructed frommetal 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. Abreather 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.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0201431A GB2382827B (en) | 2002-01-23 | 2002-01-23 | Improved thermal insulation |
GB0201431.1 | 2002-01-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20030136078A1 true US20030136078A1 (en) | 2003-07-24 |
Family
ID=9929539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/349,226 Abandoned US20030136078A1 (en) | 2002-01-23 | 2003-01-22 | Thermal insulation |
Country Status (6)
Country | Link |
---|---|
US (1) | US20030136078A1 (en) |
EP (1) | EP1331316B1 (en) |
AT (1) | ATE365839T1 (en) |
DE (1) | DE60314551T2 (en) |
ES (1) | ES2289238T3 (en) |
GB (1) | GB2382827B (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60314345D1 (en) * | 2002-09-21 | 2007-07-26 | Don & Low Ltd | Liquid impermeable and vapor / gas permeable textile product |
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 |
AU2003903440A0 (en) | 2003-07-04 | 2003-07-17 | James Hardie International Finance B.V. | Rainscreen apparatus and method |
AU2004254124B2 (en) * | 2003-07-04 | 2010-11-18 | James Hardie Technology Limited | Rainscreen apparatus and method |
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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 |
US8497010B2 (en) | 2004-08-23 | 2013-07-30 | E I Du Pont De Nemours And Company | Breathable low-emissivity metalized sheets |
US20080057292A1 (en) * | 2004-08-23 | 2008-03-06 | E. I. Du Pont De Nemours And Company | Breathable low-emissivity metalized sheets |
US20080060302A1 (en) * | 2004-08-23 | 2008-03-13 | E. I. Du Pont De Nemours And Company | Breathable low-emissivity metalized sheets |
US20080187740A1 (en) * | 2004-08-23 | 2008-08-07 | E. I. Du Pont De Nemours And Company | Breathable low-emissivity metalized sheets |
US7805907B2 (en) | 2004-08-23 | 2010-10-05 | E.I. Du Pont De Nemours And Company | Breathable low-emissivity metalized sheets |
US8431209B2 (en) | 2004-08-23 | 2013-04-30 | E I Du Pont De Nemours And Company | 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 |
US8025985B2 (en) | 2005-08-11 | 2011-09-27 | E. I. Du Pont De Nemours And Company | Porous metallized sheets coated with an inorganic layer having low emissivity and high moisture vapor permeability |
US8323801B2 (en) | 2006-01-18 | 2012-12-04 | E I Du Pont De Nemours And Company | Process for forming a durable low emissivity moisture vapor permeable metallized sheet including a protective metal oxide layer |
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 |
US20130061448A1 (en) * | 2006-04-19 | 2013-03-14 | Furio Orologio | Metallized polymeric film reflective insulation material |
US8936847B2 (en) * | 2006-04-19 | 2015-01-20 | Promethean Insulation Technology Llc | Metallized polymeric film reflective insulation material |
US20150093547A1 (en) * | 2006-04-19 | 2015-04-02 | Promethean Insulation Technology Llc | Metallized Polymeric Film Reflective Insulation Material |
US9114593B2 (en) * | 2006-04-19 | 2015-08-25 | Promethean Insulation Technology Llc | Metallized polymeric film reflective insulation material |
US20150336351A1 (en) * | 2006-04-19 | 2015-11-26 | Promethean Insulation Technology Llc | Metallized Polymeric Film Reflective Insulation Material |
US9475253B2 (en) * | 2006-04-19 | 2016-10-25 | Promethean Insulation Technology Llc | Metallized polymeric film reflective insulation material |
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 |
US9827529B2 (en) | 2011-08-15 | 2017-11-28 | E I Du Pont De Nemours And Company | Breathable product for protective mass transportation and cold chain applications |
Also Published As
Publication number | Publication date |
---|---|
EP1331316B1 (en) | 2007-06-27 |
GB2382827A (en) | 2003-06-11 |
ATE365839T1 (en) | 2007-07-15 |
EP1331316A1 (en) | 2003-07-30 |
GB0201431D0 (en) | 2002-03-13 |
DE60314551D1 (en) | 2007-08-09 |
GB2382827B (en) | 2003-11-12 |
ES2289238T3 (en) | 2008-02-01 |
DE60314551T2 (en) | 2008-10-09 |
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