WO2009001113A2 - Insulating buildings - Google Patents

Insulating buildings Download PDF

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Publication number
WO2009001113A2
WO2009001113A2 PCT/GB2008/002258 GB2008002258W WO2009001113A2 WO 2009001113 A2 WO2009001113 A2 WO 2009001113A2 GB 2008002258 W GB2008002258 W GB 2008002258W WO 2009001113 A2 WO2009001113 A2 WO 2009001113A2
Authority
WO
WIPO (PCT)
Prior art keywords
building
membrane
roof
walls
cementitious material
Prior art date
Application number
PCT/GB2008/002258
Other languages
French (fr)
Other versions
WO2009001113A3 (en
Inventor
John Anthony Manniex
Original Assignee
Eurokrete Holdings Limited
Manniex, Carole, Lesley
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eurokrete Holdings Limited, Manniex, Carole, Lesley filed Critical Eurokrete Holdings Limited
Priority to GB1000562A priority Critical patent/GB2463608B/en
Publication of WO2009001113A2 publication Critical patent/WO2009001113A2/en
Publication of WO2009001113A3 publication Critical patent/WO2009001113A3/en

Links

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
    • E04B1/762—Exterior insulation of exterior walls

Definitions

  • This invention relates to insulating buildings and has for its object the provision of an improved method of insulating buildings.
  • the invention is applicable to existing buildings and to new buildings.
  • a method of insulating a building that includes the application to the outsides of the walls and to the roof of the building of a membrane comprising a layer of cementitious material containing sheets of metal mesh reinforcement.
  • the layer of cementitious material preferably has a thickness of at least 7 mm and there are preferably at least three sheets of metal mesh reinforcement within the membrane.
  • the mesh preferably forms from 15% to 50%, more specifically from 20 to 35%, of the total cured weight of the membrane.
  • the sheets of mesh may be cut to the required configurations and assembled together off-site.
  • the assembled sheets of mesh may be encased within the cementitious material off-site to form panels that are brought to the site for installation then and joined together to form an air-tight structure.
  • the cementitious material preferably comprises hydraulic sand and cement, and the ratio of sand to cement is preferably between 3 : 1 and 1 : 1 by volume.
  • the sand preferably comprises sand particles having diameters in the range of from 90 microns to 750 microns inclusive.
  • a layer of rigid insulation material is preferably disposed between the membrane and the walls and the roof of the building.
  • a vapour barrier may be disposed between the layer of rigid insulation material and the walls and the roof of the building.
  • Steel ties are preferably embedded in the membrane and fixed to the walls and roof of the building.
  • the part of the membrane applied to the roof of the building may incorporate roof tiles or slates or may be formed to provide a tile or slate effect.
  • a gutter preferably extends around the roof of the building, the gutter being formed as an integral part of the membrane.
  • the gutter may be formed integrally with fascia boards and soffits, all as part of the membrane.
  • a mechanical ventilation and heat recovery system is preferably installed in the building.
  • Figure 1 is a schematic view of a building prior to application of a membrane by the method of the present invention
  • Figure 2 is a schematic view of the building of Figure 1 after the application of a membrane by the method of the present invention
  • Figure 3 shows a wall and part of the roof of a building prior to application of a membrane by the method of the present invention
  • Figure 4 shows the wall and the part of the roof shown in Figure 3 after the application of the membrane by the method of the present invention
  • Figure 5 shows part of the wall and part of the roof of an alternative to the arrangement shown in Figure 4.
  • Figure 1 illustrates a building prior to the carrying out of the method of the present invention, with more details being shown in Figure 3.
  • Figure 2 illustrates the building after the carrying out of the method of the present invention, with more details again being shown in Figure 4.
  • the arrows in Figure 1 illustrate the directions in which significant quantities of heat are lost from the building, and Figure 2 illustrates how these heat losses are prevented, thereby reducing the cost of heating the building.
  • the roof slates or tiles 10 are removed for recycling or for subsequent replacement. All rainwater downpipes, guttering and any other exterior wall furniture are removed from the walls of the building and stainless steel anchors are fixed into the brickwork at appropriate centres.
  • a vapour control layer 11 is then applied to the whole of the roof structure 12 and to the outsides of the walls 13 of the building followed by 150 mm. thick sheets 14 of expanded polystyrene insulation material with ply attached.
  • the expanded polystyrene sheets 14 are then fixed to the roof structure 12 using stainless steel anchor wires 15 at appropriate centres.
  • Sheets 14 of 150 mm. thick expanded polystyrene with ply attached are then fixed to the outside walls 13 on top of the vapour control layer 11 , again using stainless steel anchor wires 15.
  • Panels 16 comprising stainless steel wire mesh encased within cementitious material are produced off-site to the required dimensions.
  • the panels 16 for the roof structure 12 will have a moulded tile or slate effect surface (or tiles or slates may subsequently attached to the panels 16) and uncovered mesh will project from the panels 16 at the eaves. Upstands are formed around the chimneys and roof protrusions using the cementitious material.
  • Stainless steel anchor wires are moulded into the panels 16 and fixing lugs may, if desired, be moulded integrally with the panels 16.
  • the factory-manufactured panels 16 are wire-stitched together on site and then coated with cementitious material that is cured or allowed to cure to form a monocoque (seamless and jointless) structure that is impervious (gas and water-tight).
  • This method of construction can produce buildings of immense size if constructed in a cellular configuration in a manner similar to the production of a wasps' nest.
  • the panels 16 provided to the building site comprise a plurality of layers of steel wire mesh partially contained within cured cementitious material, i.e. with the main body portion of each panel 16 contained within the cementitious material but with the edge portions of the metal mesh uncovered to permit connection of adjacent panels to one another.
  • the panels 16 are then joined together and the joints between the panels 16 covered with cementitious material that is then cured or allowed to cure.
  • panels 16 can be joined together at right angles to one another. Smaller panels, which form reinforcing webs in the completed structure, can also be joined to the wall panels.
  • the cementitious material that is used typically comprises hydraulic cement and sand, with the ratio of sand to cement between 3 : 1 and 1 : 1 and with the sand particles having diameters in the range of from 90 microns to 750 microns inclusive.
  • Typical panels 16 have a thickness between 10 and 30 mm, for example 14 mm, and the amount of metal mesh within each panel 16 is typically such that the mesh forms between 20% and 35% of the weight of the completed structure. There will typically be at least three layers of stainless steel mesh within each panel 16.
  • the wall panels are fixed in position and then the cementitious material is used to mould into the window reveals and around the soffits.
  • the cementitious material is also used to form a gutter and to connect to the uncovered mesh protruding from the roof panels to form a complete encapsulation of the building.
  • the gutter extends around the roof of the building and is formed as an integral part of the membrane afforded by the assembly of interconnected panels.
  • the gutter may be formed integrally with fascia boards and soffits, all as part of the membrane.
  • Tiles 17 may be secured directly to the panels 16 that are secured to the roof structure (as shown in Figure 4).
  • timber rafters 18 may be attached to the panels 16 secured to the roof structure and the tiles 17 then secured to the rafters 18 (as shown in Figure 5).
  • wooden cladding 19 may be attached to the panels 16 secured to the outside walls 13 of the house.
  • the wall furniture After allowing a period of, for example, seven days, to ensure complete setting of the applied cementitious material, the wall furniture is refixed or installed and seals applied to the window and door frames to provide a substantially air-tight structure that is unaffected by the thermal movement of the existing building envelope materials.
  • a mechanical ventilation with heat recovery system may then be installed in the building to provide efficient control of the indoor moisture and to provide conditions that enhance the health of the occupants of the building.
  • the system can be adjusted to provide an appropriate indoor air quality.

Landscapes

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

Abstract

A method of insulating a building includes the application to the outsides of the walls (13) and the roof (12) of the building of a membrane comprising a layer (16) of cementitious material containing sheets of metal mesh reinforcement.

Description

INSULATING BUILDINGS
Field of the Invention
This invention relates to insulating buildings and has for its object the provision of an improved method of insulating buildings.
The invention is applicable to existing buildings and to new buildings.
Modern air-tight structures do not remain air-tight because of the hidden air leakage points that are within the building structure. The constant thermal movement of the materials that make up a building structure (industrial, commercial and residential) open up cracks and leakage points deep within the walls and floors of the building. Cladding systems are available, but none of them can provide an airtight structure.
It is a further object of the present invention to provide a method of insulating a building that is more effective than methods involving the use of existing cladding systems. Summary of the Invention
According to the present invention there is provided a method of insulating a building that includes the application to the outsides of the walls and to the roof of the building of a membrane comprising a layer of cementitious material containing sheets of metal mesh reinforcement.
The layer of cementitious material preferably has a thickness of at least 7 mm and there are preferably at least three sheets of metal mesh reinforcement within the membrane. The mesh preferably forms from 15% to 50%, more specifically from 20 to 35%, of the total cured weight of the membrane.
The sheets of mesh may be cut to the required configurations and assembled together off-site. The assembled sheets of mesh may be encased within the cementitious material off-site to form panels that are brought to the site for installation then and joined together to form an air-tight structure.
The cementitious material preferably comprises hydraulic sand and cement, and the ratio of sand to cement is preferably between 3 : 1 and 1 : 1 by volume. The sand preferably comprises sand particles having diameters in the range of from 90 microns to 750 microns inclusive.
A layer of rigid insulation material is preferably disposed between the membrane and the walls and the roof of the building. A vapour barrier may be disposed between the layer of rigid insulation material and the walls and the roof of the building.
Steel ties are preferably embedded in the membrane and fixed to the walls and roof of the building.
The part of the membrane applied to the roof of the building may incorporate roof tiles or slates or may be formed to provide a tile or slate effect.
A gutter preferably extends around the roof of the building, the gutter being formed as an integral part of the membrane. The gutter may be formed integrally with fascia boards and soffits, all as part of the membrane.
A mechanical ventilation and heat recovery system is preferably installed in the building.
Brief Description of the Drawings
Figure 1 is a schematic view of a building prior to application of a membrane by the method of the present invention,
Figure 2 is a schematic view of the building of Figure 1 after the application of a membrane by the method of the present invention,
Figure 3 shows a wall and part of the roof of a building prior to application of a membrane by the method of the present invention, Figure 4 shows the wall and the part of the roof shown in Figure 3 after the application of the membrane by the method of the present invention, and
Figure 5 shows part of the wall and part of the roof of an alternative to the arrangement shown in Figure 4.
Description of the Preferred Embodiments
Figure 1 illustrates a building prior to the carrying out of the method of the present invention, with more details being shown in Figure 3. Figure 2 illustrates the building after the carrying out of the method of the present invention, with more details again being shown in Figure 4. The arrows in Figure 1 illustrate the directions in which significant quantities of heat are lost from the building, and Figure 2 illustrates how these heat losses are prevented, thereby reducing the cost of heating the building.
As a first step in the carrying out of the method, the roof slates or tiles 10 are removed for recycling or for subsequent replacement. All rainwater downpipes, guttering and any other exterior wall furniture are removed from the walls of the building and stainless steel anchors are fixed into the brickwork at appropriate centres.
A vapour control layer 11 is then applied to the whole of the roof structure 12 and to the outsides of the walls 13 of the building followed by 150 mm. thick sheets 14 of expanded polystyrene insulation material with ply attached. The expanded polystyrene sheets 14 are then fixed to the roof structure 12 using stainless steel anchor wires 15 at appropriate centres. Sheets 14 of 150 mm. thick expanded polystyrene with ply attached are then fixed to the outside walls 13 on top of the vapour control layer 11 , again using stainless steel anchor wires 15.
Panels 16 comprising stainless steel wire mesh encased within cementitious material are produced off-site to the required dimensions. The panels 16 for the roof structure 12 will have a moulded tile or slate effect surface (or tiles or slates may subsequently attached to the panels 16) and uncovered mesh will project from the panels 16 at the eaves. Upstands are formed around the chimneys and roof protrusions using the cementitious material. Stainless steel anchor wires are moulded into the panels 16 and fixing lugs may, if desired, be moulded integrally with the panels 16.
The factory-manufactured panels 16 are wire-stitched together on site and then coated with cementitious material that is cured or allowed to cure to form a monocoque (seamless and jointless) structure that is impervious (gas and water-tight). This method of construction can produce buildings of immense size if constructed in a cellular configuration in a manner similar to the production of a wasps' nest.
The panels 16 provided to the building site comprise a plurality of layers of steel wire mesh partially contained within cured cementitious material, i.e. with the main body portion of each panel 16 contained within the cementitious material but with the edge portions of the metal mesh uncovered to permit connection of adjacent panels to one another. The panels 16 are then joined together and the joints between the panels 16 covered with cementitious material that is then cured or allowed to cure.
In addition to joining adjacent panels 16 together in co-planar relationship, panels 16 can be joined together at right angles to one another. Smaller panels, which form reinforcing webs in the completed structure, can also be joined to the wall panels.
The cementitious material that is used typically comprises hydraulic cement and sand, with the ratio of sand to cement between 3 : 1 and 1 : 1 and with the sand particles having diameters in the range of from 90 microns to 750 microns inclusive.
Typical panels 16 have a thickness between 10 and 30 mm, for example 14 mm, and the amount of metal mesh within each panel 16 is typically such that the mesh forms between 20% and 35% of the weight of the completed structure. There will typically be at least three layers of stainless steel mesh within each panel 16.
The wall panels are fixed in position and then the cementitious material is used to mould into the window reveals and around the soffits. The cementitious material is also used to form a gutter and to connect to the uncovered mesh protruding from the roof panels to form a complete encapsulation of the building. The gutter extends around the roof of the building and is formed as an integral part of the membrane afforded by the assembly of interconnected panels. The gutter may be formed integrally with fascia boards and soffits, all as part of the membrane. Tiles 17 may be secured directly to the panels 16 that are secured to the roof structure (as shown in Figure 4). Alternatively, however, timber rafters 18 may be attached to the panels 16 secured to the roof structure and the tiles 17 then secured to the rafters 18 (as shown in Figure 5). In addition, and as also shown in Figure 5, wooden cladding 19 may be attached to the panels 16 secured to the outside walls 13 of the house.
After allowing a period of, for example, seven days, to ensure complete setting of the applied cementitious material, the wall furniture is refixed or installed and seals applied to the window and door frames to provide a substantially air-tight structure that is unaffected by the thermal movement of the existing building envelope materials.
A mechanical ventilation with heat recovery system may then be installed in the building to provide efficient control of the indoor moisture and to provide conditions that enhance the health of the occupants of the building. The system can be adjusted to provide an appropriate indoor air quality.

Claims

Claims:-
1. A method of insulating a building that includes the application to the outsides of the walls and the roof of the building of a membrane comprising a layer of cementitious material containing sheets of metal mesh reinforcement.
2. A method as claimed in Claim 1 , in which the layer of cementitious material has a thickness of at least 7 mm and in which there are at least three sheets of metal mesh reinforcement within the membrane.
3. A method as claimed in either of the preceding claims, in which the mesh forms from 15% to 50% of the total cured weight of the membrane.
4. A method as claimed in Claim 3, in which the mesh forms from 20% to 35% of the total cured weight of the membrane.
5. A method as claimed in any one of the preceding claims, in which the sheets of mesh are cut to the required configurations and assembled together off-site.
6. A method as claimed in Claim 5, in which the assembled sheets of mesh are encased within the cementitious material off-site to form panels that are brought to the site for installation and then joined together to form an air-tight structure.
7. A method as claimed in any one of the preceding claims, in which the cementitious material comprises hydraulic sand and cement, and in which the ratio of sand to cement is between 3 : 1 and 1 : 1 by volume.
8. A method as claimed in Claim 7, in which the sand comprises sand particles having diameters in the range of from 90 microns to 750 microns inclusive.
9. A method as claimed in any one of the preceding claims, in which a layer of rigid insulation material is disposed between the membrane and the walls and the roof of the building.
10. A method as claimed in Claim 9, in which a vapour barrier is disposed between the layer of rigid insulation material and the walls and the roof of the building.
11. A method as claimed in any one of the preceding claims, in which steel ties are embedded in the membrane and fixed to the walls and roof of the building.
12. A method as claimed in any one of the preceding claims, in which the part of the membrane applied to the roof of the building incorporates roof tiles or slates or is formed to provide a tile or slate effect.
13. A method as claimed in any one of the preceding claims, which includes providing a gutter that extends around the roof of the building, the gutter being formed as an integral part of the membrane.
14. A method as claimed in any one of the preceding claims, in which the gutter is formed integrally with fascia boards and soffits, all as part of the membrane.
15. A building that has been insulated by the method claimed in any one of the preceding claims.
PCT/GB2008/002258 2007-06-27 2008-06-27 Insulating buildings WO2009001113A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1000562A GB2463608B (en) 2007-06-27 2008-06-27 Insulating buildings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0712391.2 2007-06-27
GB0712391A GB0712391D0 (en) 2007-06-27 2007-06-27 Insulating buildings

Publications (2)

Publication Number Publication Date
WO2009001113A2 true WO2009001113A2 (en) 2008-12-31
WO2009001113A3 WO2009001113A3 (en) 2009-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/002258 WO2009001113A2 (en) 2007-06-27 2008-06-27 Insulating buildings

Country Status (2)

Country Link
GB (2) GB0712391D0 (en)
WO (1) WO2009001113A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122471A1 (en) * 2013-02-11 2014-08-14 The Beattie Passive Build System Limited Method of insulating a building
CN106948535A (en) * 2016-01-07 2017-07-14 杨文显 The ventilation on the roof and wall of building and heat insulation structural
EP3808553A1 (en) * 2019-10-17 2021-04-21 Saint-Gobain Isover G+H Ag Facade elements and method for improving the energy efficiency of buildings

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239647A (en) * 1924-07-10 1925-09-17 George Edward Ralph Improvements in roofs
US4349398A (en) * 1980-12-08 1982-09-14 Edward C. Kearns Protective coating system
AT369081B (en) * 1981-02-16 1982-12-10 Feist Artus PANEL MADE OF HEAT-INSULATING MATERIAL TO BE ARRANGED ON THE EXTERIOR AND, IF NECESSARY, THE ROOF OF BUILDINGS
DE3435648A1 (en) * 1984-09-28 1986-04-10 Friedhold 5350 Euskirchen Häßner Roof and wall heat-insulating system
GB2313137A (en) * 1996-05-18 1997-11-19 John Anthony Manniex Weatherproofing flat rooves
DE19838917A1 (en) * 1998-08-27 2000-03-02 Vetter Hans Juergen Heat insulation suitable for addition to old building consists of large sheets of material covering whole wall and provided with cutouts for doors and windows

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239647A (en) * 1924-07-10 1925-09-17 George Edward Ralph Improvements in roofs
US4349398A (en) * 1980-12-08 1982-09-14 Edward C. Kearns Protective coating system
AT369081B (en) * 1981-02-16 1982-12-10 Feist Artus PANEL MADE OF HEAT-INSULATING MATERIAL TO BE ARRANGED ON THE EXTERIOR AND, IF NECESSARY, THE ROOF OF BUILDINGS
DE3435648A1 (en) * 1984-09-28 1986-04-10 Friedhold 5350 Euskirchen Häßner Roof and wall heat-insulating system
GB2313137A (en) * 1996-05-18 1997-11-19 John Anthony Manniex Weatherproofing flat rooves
DE19838917A1 (en) * 1998-08-27 2000-03-02 Vetter Hans Juergen Heat insulation suitable for addition to old building consists of large sheets of material covering whole wall and provided with cutouts for doors and windows

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122471A1 (en) * 2013-02-11 2014-08-14 The Beattie Passive Build System Limited Method of insulating a building
CN105121755A (en) * 2013-02-11 2015-12-02 贝蒂被动式建筑系统有限公司 Method of insulating a building
US9476197B2 (en) 2013-02-11 2016-10-25 Beattie Passive Build System Limited Method of insulating a building
RU2630829C2 (en) * 2013-02-11 2017-09-13 Те Бити Пэсив Билд Систем Лимитед Method of thermal insulation of building
CN106948535A (en) * 2016-01-07 2017-07-14 杨文显 The ventilation on the roof and wall of building and heat insulation structural
EP3808553A1 (en) * 2019-10-17 2021-04-21 Saint-Gobain Isover G+H Ag Facade elements and method for improving the energy efficiency of buildings

Also Published As

Publication number Publication date
GB2463608A (en) 2010-03-24
WO2009001113A3 (en) 2009-03-12
GB201000562D0 (en) 2010-03-03
GB2463608B (en) 2011-09-28
GB0712391D0 (en) 2007-08-01

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