GB2424426A - Insulated roof system - Google Patents
Insulated roof system Download PDFInfo
- Publication number
- GB2424426A GB2424426A GB0505900A GB0505900A GB2424426A GB 2424426 A GB2424426 A GB 2424426A GB 0505900 A GB0505900 A GB 0505900A GB 0505900 A GB0505900 A GB 0505900A GB 2424426 A GB2424426 A GB 2424426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roof
- insulation panel
- tile
- roof system
- moulded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
- E04B7/22—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material
- E04B7/225—Roofs consisting of self-supporting slabs, e.g. able to be loaded the slabs having insulating properties, e.g. laminated with layers of insulating material the slabs having non-structural supports for roofing materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/29—Means for connecting or fastening adjacent roofing elements
- E04D1/2907—Means for connecting or fastening adjacent roofing elements by interfitted sections
- E04D1/2914—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements
- E04D1/2916—Means for connecting or fastening adjacent roofing elements by interfitted sections having fastening means or anchors at juncture of adjacent roofing elements the fastening means taking hold directly on adjacent elements of the same row
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Building Environments (AREA)
Abstract
A roof system comprises a roof tile <B>6</B> and an insulation panel <B>4</B> supported on a roof structure. The roof tile <B>6</B> is formed with an integral hook-like protuberance on an underside, in use. The insulation panel has a channel comprising a re-entrant wall for location of the hook-like protuberance. The insulation panel <B>4</B> may be formed with a rib <B>24</B> to support the tile. The insulation panel <B>4</B> may be moulded polystyrene and may have a toughened upper surface provided by a dense layer of polystyrene co-moulded with a body of the insulation panel <B>4</B>. The insulation panel <B>4</B> may be secured directly to a conventional raftered roof structure or to a decked roof The roof tile <B>6</B> may be moulded from a cementious composition or a ceramic or reconstituted slate composition. The roof system may comprise a plurality of tiles <B>6</B> and insulation panels <B>4</B> and a roof structure comprising rafters and purlins and may be pre-assembled prior to being attached in situ over a building.
Description
1 2424426 IMPROVEMENTS iN A ROOF SYSTEM This invention is concerned with
improvements in a roof system and is particularly concerned with improvements in a roof system comprising through the roof insulation panels and roof tiles for use therewith Roof systems incorporating through the roof insulation panels are well known and have been used extensively in Germany and italy, such panels being conveniently moulded from foamed polystyrene of varying densities depending upon the performance required from the products when installed on a roof of a building The roof insulation panels may include means for attachment thereof to roof decks; they may be attached to the purlins and rafters of a roof structure or they may be located on conventional roof battens. In addition, the roof insulation panels may incorporate means for the retention of roof tiles; such means may be provided by metal battens. Such battens may be affixed to the roof insulation panels and extend across a roof thereby providing means for engagement by hanging nibs of the roof tiles laid overlying the panels as aforesaid.
In further arrangements provided by the prior art, the roof insulation panels may incorporate recesses for receiving the hanging nibs of roof tiles laid thereon, such recesses being aligned as between sideways adjacent roof insulation panels across a roof.
The roof insulation panels may be laid in full bond or half bond relationship and may include configured side edge portions for mutual overlapping and/or interlocking in use. Also, the roof insulation panels may be laid in single lap or double lap relationship to enhance the water tightness and strength of a roof structure.
The degree of overlap of the roof insulation panels is normally chosen according to the distance between an eaves and a ridge of a roof structure while maintaining the watertightness and integrity of a roof A roof comprising the roof systems as hereinbefore described may also include underlay and vapour control layers, all of which adds to the complexity of the roof structure giving high investment costs in plant for the production of all of the component parts together with the high labour costs incurred in assembling the roof structure.
It is therefore an object of the present invention to provide an improved roof system that overcomes or at least mitigates the disadvantages of the prior art roof systems.
Consequently, the present invention conveniently provides a roof system comprising a roof tile and an insulation panel supported on a roof structure, the roof tile being formed with an integral hook-like protuberance on an underside, in use, thereof, characterised in that the dedicated insulation panel is provided with a channel for location of the hook-like protuberance of the roof tile, the channel comprising a reentrant wall for receiving in close proximity a re-entrant wall portion of the hook-like protuberance of the roof tile.
Preferably the insulation panel comprises means for supporting a roof tile along the length thereof Conveniently, the means for supporting a roof tile may be provided by at least one lateral rib extending across the insulation panel, that is, across the roof structure on which the insulation panel is supported In one preferred embodiment provided by the present invention the insulation panel may be moulded from polystyrene.
Conveniently, the insulation panel may be provided with a toughened upper surface portion wherein the toughened upper surface portion may be provided by a dense layer of polystyrene co-moulded with a body of the insulation panel.
In another preferred embodiment provided by the present invention, the roof structure comprises conventional rafters and the insulation panel may be secured directly to the rafters In a thrther preferred embodiment provided by the present invention, the roof structure comprises a decked roof and the insulation panel may be secured directly to the decked roof.
The present invention also conveniently includes an embodiment wherein a plurality of insulation panels, roof tiles and a roof structure comprising rafters and purlins may be pre-assembled prior to being attached in situ overlying a building.
Conveniently, the roof tile may be moulded from a cementitious composition, viz.
concrete mortar or the roof tile may be moulded from a ceramic composition or a There now follows, by way of exemplification of the invention, a detailed description, which is to be read with reference to the accompanying drawings in which: Figure 1 is a left-hand upper perspective view of parts of a roof system provided by the invention; Figure 2 is a plan view of the parts shown in Figure 1; Figure 3 is diagrammatic side view in the direction of the arrow III in Figure 1, Figure 4 is a right hand upper perspective view of a roof insulation panel; Figure 5 is a side elevation of the roof insulation panel shown in Figure 4; Figure 6 is a plan view of the roof insulation panel of Figure 4; Figure 7 is a view in the direction of the arrow VII in Figure 4; Figure 8 is a plan view of a first roof tile provided by the present invention; Figure 9 is an underside view of the roof tile shown in Figure 8; Figure 10 is a left-hand upper perspective view of the roof tile shown in Figure 8; Figure 11 is a view in the direction of the arrow XI in Figure 8; Figure 12 is a view in the direction of the arrow XI1 in Figure 8; Figure 13 is a plan view of a second roof tile provided by the present invention; Figure 14 is an underside view of the roof tile shown in Figure 13; Figure 15 is a right-hand upper perspective view of the roof tile shown in Figure 13; Figure 16 is a view in the direction of the arrow X\TI in Figure 15, and, Figure 17 is a view in the direction of the arrow XVII in Figure 15.
In overcoming the disadvantages of the prior art roof systems referred to herein, the present invention provides a novel roof system 2, which generally comprises a plurality of roof insulation panels 4 arranged in overlapping relationship, the roof system also comprising a plurality of roof tiles 6 supported by the panels 4, see Figures 1, 2 and 3.
Each roof insulation panel 4 is moulded from foamed polystyrene and may have several layers of different densities and strength depending upon the specification therefor, i e. the load that the panel 4 has to support in use. Thus, a typical insulation roof panel 4 may have a thick lower layer of a first density and an upper layer of less thickness but of a greater density thereby providing a stronger upper layer to the panel 4 and an overall strength thereto.
The roof insulation panel 4 is rectangular in plan and comprises opposite side edges 8 and 10 and opposite ends 12 and 14, see Figures 1 and 6. The panel 4 also comprises an under surface 16 and an upper surface 18 as shown in Figures 1 to 6.
The under surface 16 is provided with a depending wall portion 20 extending across the width of the panel 4 for a purpose to be described hereinafter, the portion 20 being provided toward the end 12 of the panel 4, see Figure 1, 3, 4 and 5.
On it's upper surface 18, the panel 4 is provided with first and second upwardly projecting walls 22 and 24 extending across the width of the panel 4. The wall 22 comprises a front surface 26, a top surface 28 and a stepped rear surface 30 including a re-entrant surface 32, see especially Figures 1 to 7, the purpose for the re-entrant surface 32 being explained hereinafter.
The wall 24 comprises a rearward sloping front surface 34, a top surface 36 and rear surface 38, the top surface 36 being in substantial alignment with the top surface 28 of the wall 22, see especially Figures 4 and 5, the purposes of which top surfaces 28 and 36 being made clear hereinafter.
The roof tile 6 of Figures 8 to 11 is a conventional bold roll' roof tile, which is generally rectangular in plan, see Figure 8, and comprises a downward facing side lock 40 at a right hand side 42 and an upward facing side lock 44 at a left hand side 46, see especially Figures 10 and 12.
The roof tile 6 also comprises conventional hanging nibs 50a and 50b at a head portion 52 thereof, see especially Figures 9 and 11 On an under surface 54 of the roof tile 6, toward a tail end portion 56 thereof, the roof tile 6 is provided with two hook-like protuberances 60a and 60b, which are provided with re-entrant surfaces 62a and 62b respectively, see especially Figures 9 and 11, the purpose of which surfaces 60a and 60b being made clear hereinafter.
In use, insulation panels 4 are assembled on a roof structure, not shown, the panels 4 being located on or between the purlins andlor the rafters of a roof structure or on the decking of a decked roof In the present example the roof insulation panels 4 are oriented in the relationship shown in Figures 1, 2 and 3 by being located on battens, not shown, the battens being received between front surfaces 20a of respective depending wall portions 20 and ends 12 of the panels 4 adjacent thereto, see Figures 1, 3, 4 and 5 The panels 4 may be provided with mutually overlapping andlor interlocking side portions to ensure the watertightness of the roof structure. In addition, the panels may also include clipping arrangements as necessary for mutual attachment one to another and for attachment of the roof insulation panels 4 to the roof battens, purlins or the rafters of a roof structure When the roof panels 4 are attached to the roof structure, roof tiles 6 are located thereon, as shown in Figures 1 to 3, with the re-entrant surfaces 62a and 62b of their hanging nibs 60a and 60b being located in mutual juxtaposition with the respective re- entrant surfaces 32 of the walls 22. When located in this way the under surfaces 54 of each tile is supported on associated top surfaces 28 and 36 of the walls 22 and 24, see Figure 3.
It will be appreciated that the tiles 6 are securely mounted on the roof insulation panels 4 and that the roof system provided by the present invention is not as labour intensive as prior roof systems, especially because of the mutual interlocking relationship between the roof tiles 6 and the panels 4.
Figures 13 to 17 illustrate a second configuration of roof tile 6a provided by the present invention, which tile 6a is generally similar to the roof tile 6; thus like parts thereof are accorded the same numerals for identification purposes with the exception of the two hook-like protuberances 61a and 61b, which are of different configuration as shown in Figures 14 and 16. However, the ftirther nibs 61a and 61b of the roof tile 6a are also provided with a re-entrant surfaces 63a and 63b for engagement, in use, with the re-entrant surfaces 32 of the walls 22 provided on the roof insulation panels 4.
The roof tiles 6 and 6a described herein may be formed: a) from tile mortar by the well know extrusion process; or, b) from a ceramic composition in a clay tile press; or, c) from a castable cement composition in moulds formed as complimentary half- moulds; or, d) from any other suitable moulding composition, for example, a plastic material or a reconstituted slate composition.
The roof insulation panels 4 of the present invention may be provided with a series of channels, not shown, in the walls 22 and 24 for facilitating the egress of any water that may pass through the roof tiles 6 or 6a to the underside thereof, in addition, such channels will provide ventilation to the underside of the tiles 6 and 6a whereby any residual condensation is evaporated thereby avoiding damage to the roof insulation panels 4 and the other elements of the roof structure.
Whereas the panels 4 and tiles 6 and 6a have been described herein as a roof system, it will be fully appreciated that the combination of panel and tile provided by the invention may find use as a wall cladding system.
Irrespective of the use made of the panels 4 and the roof tiles 6 and 6a, it is envisaged within the scope of the present invention that the panels 4 may be provided with a vapour barrier and underlay material to further enhance the integrity of a roof structure or a wall clad with the panels 4 and hanging tiles provided with the hook like protuberances of the roof tiles 6 and 6a.
The vapour barrier, where provided, may take the form of a coating material applied to the surfaces of the panels 4 or it may be provided by a sealant composition applied to the joints between sideways adjacent panels on a roof or a wall.
Although it is envisaged that the roof insulation panels 4 will have sufficient strength for purpose, further reinforcement may be provided within the structure of the panels 4 or the panels 4 may be moulded with reinforcing rib configurations.
Whereas the present invention has been described as a roof system comprising a plurality of roof insulation panels 4, which are laid in overlapping relationship from the eaves to the ridge of a roof, it is envisaged within the scope of the present invention, that the roof insulation panel may be moulded as a single unit that stretches between the ridge and the eaves of a roof It is to be appreciated that the use of a plurality of roof insulation panels will allow for any inconsistency in the length of the roof between the ridge and the eaves thereof.
Claims (12)
1. A roof system comprising a roof tile and an insulation panel supported on a roof structure, the roof tile being formed with an integral hooklike protuberance on an underside, in use, thereof, characterised in that the dedicated insulation panel is provided with a channel for location of the hook-like protuberance of the roof tile, the channel comprising a re-entrant wall for receiving in close proximity a re- entrant wall portion of the hook-like protuberance of the roof tile.
2. A roof system according to Claim 1, characterised in that insulation panel comprises means for supporting a roof tile along the length thereof.
3. A roof system according to Claim 2, characterised in that the means for supporting a roof tile is provided by at least one lateral rib extending across the insulation panel, that is, across the roof structure on which the insulation panel is supported.
4. A roof system according to any one of Claims ito 3, characterised in that the insulation panel is moulded from polystyrene.
5. A roof system according to Claim 4, characterised in that the insulation panel is provided with a toughened upper surface portion.
6. A roof system according to Claim 5, characterised in that the toughened upper surface portion is provided by a dense layer of polystyrene co-moulded with a body of the insulation panel.
7. A roof system according to any one of the preceding Claims, characterised in that the roof structure comprises conventional rafters and the insulation panel is secured directly to the rafters.
8. A roof system according to any one of Claims ito 6, characterised in that the roof structure comprises a decked roof and the insulation panel is secured directly to the decked roof.
9. A roof system according to any one of Claims 1 to 6, characterised in that a plurality of insulation panels, roof tiles and a roof structure comprising rafters and purlins are pre-assembled prior to being attached in situ overlying a building.
10. A roof system according to any one of the preceding Claims, characterised in that the roof tile is moulded from a cementitious composition, viz, concrete mortar.
11. A roof system according to any one of Claims 1 to 9, characterised in that the roof tile is moulded from a ceramic composition or a reconstituted slate composition
12. A roof system as described herein with reference to the accompanying drawings.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0505900A GB2424426A (en) | 2005-03-22 | 2005-03-22 | Insulated roof system |
US11/909,366 US20080110123A1 (en) | 2005-03-22 | 2006-03-21 | Roof System |
EP06710127A EP1861558A1 (en) | 2005-03-22 | 2006-03-21 | Improvements in a roof system |
PCT/GB2006/001016 WO2006100463A1 (en) | 2005-03-22 | 2006-03-21 | Improvements in a roof system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0505900A GB2424426A (en) | 2005-03-22 | 2005-03-22 | Insulated roof system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0505900D0 GB0505900D0 (en) | 2005-04-27 |
GB2424426A true GB2424426A (en) | 2006-09-27 |
Family
ID=34531689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0505900A Withdrawn GB2424426A (en) | 2005-03-22 | 2005-03-22 | Insulated roof system |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080110123A1 (en) |
EP (1) | EP1861558A1 (en) |
GB (1) | GB2424426A (en) |
WO (1) | WO2006100463A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2090715A2 (en) * | 2008-02-18 | 2009-08-19 | Fryderyk Jerzy Frejowski | Insulation panel |
JP5548340B2 (en) * | 2008-03-31 | 2014-07-16 | ニチハ株式会社 | Manufacturing method of wood cement board |
AU2009260590A1 (en) * | 2008-05-27 | 2009-12-23 | Craig Oberg | Insulated metal roofing systems and related methods |
WO2011044276A2 (en) * | 2009-10-06 | 2011-04-14 | Craig Oberg | Insulated metal roofing and wall systems and related methods |
US8347562B2 (en) | 2010-04-02 | 2013-01-08 | Morris Kevin D | Radiant barrier rafter vent |
US8615946B2 (en) | 2010-12-23 | 2013-12-31 | Craig Oberg | Insulated metal wall systems and related methods |
CA3162792A1 (en) * | 2020-02-12 | 2021-08-19 | Claudio Caselli | A roof tile and a roof covering |
US11542710B2 (en) | 2021-02-09 | 2023-01-03 | Dal-Tile Corporation | Roof tile and a roof covering |
CN114961069B (en) * | 2022-07-14 | 2023-10-27 | 中建三局第一建设工程有限责任公司 | Small green tile roof structure of steel structure frame system and construction method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2227034A (en) * | 1988-12-12 | 1990-07-18 | Martin Reardon | Roof construction |
EP0402629A2 (en) * | 1989-06-15 | 1990-12-19 | Eugen Feil | Underroofing for roofs covered with tiles |
EP1101878A2 (en) * | 1999-11-16 | 2001-05-23 | Joachim Wolfram Herr | Under-roof insulation panels |
GB2366814A (en) * | 2000-09-09 | 2002-03-20 | Ronson Lock In Tiles Ltd | Roofing system |
Family Cites Families (39)
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US1023878A (en) * | 1909-06-14 | 1912-04-23 | Ota P Lightfoot | Roofing-tile. |
US973946A (en) * | 1910-02-02 | 1910-10-25 | William E Lindau | Cement roofing-tile. |
US1427968A (en) * | 1921-04-15 | 1922-09-05 | Oscar A Pedersen | Roofing tile |
GB1177492A (en) * | 1966-02-01 | 1970-01-14 | Redland Tiles Ltd | Improvements in or relating to Tiled Roofs. |
FR2431012A1 (en) * | 1978-07-12 | 1980-02-08 | Gregoire Patrick | Load-bearing insulating board for tiled roof - is of synthetic resin with soffit liner having grooves or ribs from which tiles are hung |
DE3118139C2 (en) * | 1981-05-07 | 1985-07-18 | Helfrecht, Manfred, 8598 Waldershof | Thermally insulating sub-roof |
DE3304806C2 (en) * | 1983-02-11 | 1987-01-15 | Helfrecht, Manfred, 8598 Waldershof | Subroof |
US4738068A (en) * | 1985-07-12 | 1988-04-19 | Fernando Mendez | Roof tile with channel |
DE8616246U1 (en) * | 1986-06-18 | 1990-09-06 | Otavi Minen AG, 6236 Eschborn | Facade bricks |
DE3623428A1 (en) * | 1986-07-11 | 1988-01-28 | Eugen Feil | ROOF PANEL, IN PARTICULAR INSULATION PANEL FOR CONSTRUCTION OF A ROOF |
DE3628492A1 (en) * | 1986-08-22 | 1988-02-25 | Helfrecht Manfred | Insulating layer under tiled roof - consists of overlapping plates with clearances for overlap and tiles and stops for supports |
US4752520A (en) * | 1986-12-15 | 1988-06-21 | Builder's Research And Development Corporation | Reinforced concrete tile and its method of manufacture |
FR2609072A1 (en) * | 1986-12-29 | 1988-07-01 | Woestelandt Patrice | Element for constructing a wall and walls comprising such elements |
US4743471A (en) * | 1987-05-21 | 1988-05-10 | Monier Roof Tile Inc. | Method for random coloring of roof tiles |
USD321942S (en) * | 1987-07-27 | 1991-11-26 | Marley Tile A.G. | Tile |
US5077952A (en) * | 1989-10-12 | 1992-01-07 | Monier Roof Tile Inc. | Roof tile clip |
US5048255A (en) * | 1990-02-12 | 1991-09-17 | Gonzales Arthur S | Molded thermoplastic roofing tile |
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IT222441Z2 (en) * | 1991-05-30 | 1995-04-20 | Dow Italia | INSULATION BOARD FOR SLEEPING ROOFS |
DE4241053A1 (en) * | 1991-12-13 | 1993-06-17 | Thermodach Dachtechnik Gmbh | Roof heat-insulating equipment - has hooks fixed to rafters and fitting horizontally round insulating plates at side towards ridge |
GB2266903B (en) * | 1992-05-06 | 1995-05-31 | Redland Eng Ltd | Improved roof tile |
GB9217797D0 (en) * | 1992-08-21 | 1992-10-07 | Forticrete Ltd | Novel building element |
US5341617A (en) * | 1992-10-22 | 1994-08-30 | Monier Roof Tile Inc. | Roof tile fastening arrangement |
GB2280210B (en) * | 1993-07-24 | 1996-10-16 | Redland Technology Ltd | Roof structure |
US5406766A (en) * | 1993-07-29 | 1995-04-18 | Monier Roof Tile Inc. | Multi-color concrete tiles and method and apparatus for making same |
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DE29607533U1 (en) * | 1996-04-25 | 1996-07-18 | Fuchs Bau-Holding, 92360 Mühlhausen | Roof element |
USD411316S (en) * | 1997-04-15 | 1999-06-22 | Boral Lifetile, Inc. | Roof tile |
US5974756A (en) * | 1997-04-15 | 1999-11-02 | Boral Industries, Inc. | Roof tile design and construction |
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US6948288B1 (en) * | 2000-10-19 | 2005-09-27 | Smith Gary E | Roof tile support |
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US7249443B2 (en) * | 2001-11-15 | 2007-07-31 | Polyfoam Products, Inc. | Insulated pitched tile roofing system and method of installing same |
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ITRM20030295A1 (en) * | 2003-06-13 | 2004-12-14 | Polibeck S P A | SUB-TILE PANEL THAT ALLOWS THE ADAPTATION TO DIFFERENT STEPS OF THE TILES OR SIZES OF THE COUPLES. |
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-
2005
- 2005-03-22 GB GB0505900A patent/GB2424426A/en not_active Withdrawn
-
2006
- 2006-03-21 WO PCT/GB2006/001016 patent/WO2006100463A1/en not_active Application Discontinuation
- 2006-03-21 EP EP06710127A patent/EP1861558A1/en not_active Withdrawn
- 2006-03-21 US US11/909,366 patent/US20080110123A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2227034A (en) * | 1988-12-12 | 1990-07-18 | Martin Reardon | Roof construction |
EP0402629A2 (en) * | 1989-06-15 | 1990-12-19 | Eugen Feil | Underroofing for roofs covered with tiles |
EP1101878A2 (en) * | 1999-11-16 | 2001-05-23 | Joachim Wolfram Herr | Under-roof insulation panels |
GB2366814A (en) * | 2000-09-09 | 2002-03-20 | Ronson Lock In Tiles Ltd | Roofing system |
Also Published As
Publication number | Publication date |
---|---|
EP1861558A1 (en) | 2007-12-05 |
WO2006100463A1 (en) | 2006-09-28 |
US20080110123A1 (en) | 2008-05-15 |
GB0505900D0 (en) | 2005-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |