EP1570141B1 - Toit plat ou sensiblement plat - Google Patents

Toit plat ou sensiblement plat Download PDF

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Publication number
EP1570141B1
EP1570141B1 EP03780557A EP03780557A EP1570141B1 EP 1570141 B1 EP1570141 B1 EP 1570141B1 EP 03780557 A EP03780557 A EP 03780557A EP 03780557 A EP03780557 A EP 03780557A EP 1570141 B1 EP1570141 B1 EP 1570141B1
Authority
EP
European Patent Office
Prior art keywords
sheet
roof
external
insulating core
internal
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.)
Expired - Lifetime
Application number
EP03780557A
Other languages
German (de)
English (en)
Other versions
EP1570141A1 (fr
Inventor
James Carolan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kingspan Research and Developments Ltd
Original Assignee
Kingspan Research and Developments Ltd
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 Kingspan Research and Developments Ltd filed Critical Kingspan Research and Developments Ltd
Publication of EP1570141A1 publication Critical patent/EP1570141A1/fr
Application granted granted Critical
Publication of EP1570141B1 publication Critical patent/EP1570141B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/352—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material at least one insulating layer being located between non-insulating layers, e.g. double skin slabs or sheets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
    • E04D3/351—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material
    • E04D3/355—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation at least one of the layers being composed of insulating material, e.g. fibre or foam material the insulating layers of adjacent slabs having cooperating edges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements

Definitions

  • the invention relates to a flat or substantially flat roof with a composite roof panel comprising an external sheet, an internal liner sheet and an insulating core between the external sheet and the liner sheet.
  • Composite roof panels of this type are known and are widely used for pitched roofs.
  • Flat roofs or those having a small pitch angle of less than about 2° are generally covered by metal sheets extending between and fixed to purlins and/or supports.
  • An insulation material such as sheets of insulating foam are then laid on site on the metal sheets and the insulating material is covered with a weatherproof membrane.
  • Such a system is generally inconvenient because of the difficulties in performing such work on site. Such systems are slow to build. In addition, there is a risk of damage to the membrane by installers. Further, known systems are generally not rigid or stiff and the load bearing capacity is very limited.
  • JP 10140752 describes a composite roof panel with gutter-forming members which are hung over side walls of the panel.
  • the composite roof panel comprises:
  • DE9209745U describes a roof panel comprising a profiled external skin and a flat internal skin.
  • WO03/046306 (Article 52(3)) describes a composite decking comprising a substantially flat external sheet and a profiled internal sheet.
  • This invention is directed to providing a flat or substantially flat roof with an improved flat roof panel which will address at least some of these problems.
  • one of the wedge faces of the insulating core subtends an angle of from 70° to 80° with the external sheet, and the other of the wedge faces of the insulating core subtends a corresponding angle of from 110° to 100° with the external sheet.
  • one of the wedge faces of the insulating core subtends an angle of approximately 75° with the external sheet, and the other of the wedge faces of the insulating core subtends a corresponding angle of approximately 105° with the external sheet.
  • the substantially trapezoidal portions may have stepped side walls.
  • the trapezoidal portions have a depth of at least 90mm, most preferably about 110mm
  • the external sheet has an external sheet first overlap portion on one side and an external sheet second overlap portion on the opposite side.
  • the external sheet may have an outer male projecting part and an inner recess part on one side, and a corresponding outer recess part and projecting inner male part respectively on the opposite side of the panel.
  • the outermost edges of adjacent panels may be spaced-apart at a joint therebetween to define a gap.
  • the gap defines a locator for an external reinforcing plate extending between the external sheets of adjacent panels, on assembly.
  • the invention also provides a flat or substantially flat roof according to claim 1 comprising a plurality of the panels as defined in claims 1 to 16.
  • the roof comprises a reinforcing plate for extending across a joint between adjacent panels.
  • the reinforcing plate has a locator which may be for engagement in a gap between external sheets of adjacent panels.
  • the reinforcing plate has a hole to receive a joint fastener.
  • an insulated panel for a flat or substantially flat roof comprising a generally flat external sheet 2, a profiled internal decking sheet 3, and an insulating core 4 between the external sheet 2 and internal sheet 3.
  • the sheets 2 and 3 are typically of steel material and the core 4 is of polyurethane or polyisocyanurate foam material which fills the space between the sheets 2, 3.
  • the panel 1 is used for a flat or low pitch (less than 2°) roofing system.
  • the outer flat steel sheet 2 may have a prebonded weather membrane such as a plastics membrane, for example of polyvinylchloride.
  • a prebonded weather membrane such as a plastics membrane, for example of polyvinylchloride.
  • the PVC membrane is heat sealed at the panel joint when assembled on site.
  • the outer sheet 2 may have a prebonded bitchumen type membrane to which a further bitchumen type membrane may be applied on site.
  • the outer sheet 2 may also not have a prebonded weather membrane. In this case, a weather membrane such as a PVC membrane may be applied on site.
  • the external sheet 2 and internal sheet 3 have profiled joint-forming portions for connecting adjacent panels, on assembly as illustrated.
  • the external sheet 2 has an external male projecting part 10 and an internal recess part 11 on one side for engagement, on assembly, with a corresponding external recess part 12 and projecting inner male part 13 respectively on the opposite side of the panel.
  • At least a portion of the side edges 21, 22 of the insulating core 4 between the joint forming portions of the external sheet and the internal lining sheet has an inclined profile and the inclined profiles of the side edges 21, 22 of the insulating core 4 form oppositely directed wedge faces.
  • a side edge 22 of the insulating core 4 of one panel 20A is matched with the opposite side edge 21 of an adjacent panel 20B, on assembly.
  • one wedge face of the insulating core extends at an angle of from 70° to 80°, ideally about 75° and the opposite wedge face extends at a corresponding angle of from 110° to 100°, ideally about 105°.
  • the internal decking sheet 3 has a plurality of generally trapezoidal portions. For improved performance the side walls of the trapezoidal portions are stepped. The bases of the trapezoidal sections also have transversely extending reinforcing ribs 60.
  • the depth of the trapezoidal portions is at least 90mm, preferably about 110mm.
  • the thickness of the insulating foam between the portion of the internal sheet between the trapezoidal portions and the external sheet is generally at least 50mm and may be at least 70mm.
  • the inner sheet 3 comprises a first overlap portion 31 on one side which extends laterally of the external sheet 2 and is free of insulation.
  • the inner sheet 3 also has a second overlap portion 32 on the opposite side of the panel.
  • the first overlap portion 31 of the panel receives the second overlap portion 32 of the adjacent panel.
  • a joint reinforcing plate 40 has a downwardly extending locator defined by a projection 41 which is located in the gap 35 to ensure that the reinforcing plate 40 is accurately positioned relative to the joint.
  • the plate 40 has two holes 42, 43 to receive joint fasteners 44, 45.
  • the fasteners 44, 45 have low profile heads to facilitate application of a weather seal plastics (such as PVC) strip 46 over the fastener plates 40 and the joint.
  • one or more factory applied and/or site applied seals may be provided at the joint between adjacent panels.
  • a seal may be located in the gap 35.
  • One or both of the side edges of the insulating core may be covered with an insulating tape.
  • the invention provides a flat or substantially flat roof with an insulating flat roof panel which facilities a high quality joint between adjacent panels.
  • the joint ensures a high level of insulation and fire performance but also has a high mechanical strength by virtue of the wedge faces of the insulating core at the joint and the overlap. Because of these features the panel may be used in wider spans than has heretofore been possible.
  • the panels are easily handled and can be built up to achieve a 5 to 6 metre double span.
  • the reinforcing plate and associated fasteners also assist in optimising the strength of the assembled panels.
  • the invention provides a flat or substantially flat roof with an insulated flat roof panel with highly efficient installation, insulation, fire performance and mechanical performance.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Body Structure For Vehicles (AREA)
  • Laminated Bodies (AREA)

Claims (21)

  1. Toiture plate ou sensiblement plate comportant une plaque de toiture composite, la plaque de toiture composite comportant :
    une feuille externe sensiblement plate (2) ;
    une feuille interne profilée (3) ayant une pluralité de parties sensiblement trapézoïdales et des parties généralement plates entre les parties trapézoïdales ; et
    une âme isolante (4) entre la feuille externe et la feuille interne ;
    la plaque ayant une première partie de recouvrement s'étendant le long d'un côté et une deuxième partie de recouvrement s'étendant le long d'un côté opposé ;
    l'âme isolante ayant une première épaisseur entre la partie généralement plate de la feuille interne et la feuille externe sensiblement plate et une deuxième épaisseur entre la face intérieure la plus basse de la partie trapézoïdale et la feuille externe ;
    la feuille interne (3) ayant une première partie de recouvrement (31) de feuille interne d'un côté, formant une partie de la première partie de recouvrement, et une deuxième partie de recouvrement (32) de feuille interne du côté opposé, formant une partie de la deuxième partie de recouvrement, la première partie de recouvrement (31) de la feuille interne étant sensiblement dépourvue de toute âme isolante ;
    le bord latéral (21) de l'âme isolante au niveau de la première partie de recouvrement (31) ayant une seule première face de coin (21) qui est inclinée vers l'extérieur depuis la première partie de recouvrement (31) de feuille interne et s'étend jusqu'à la feuille externe (2), et le bord latéral (22) de l'âme isolante (4) au niveau de la deuxième partie de recouvrement (32) ayant une seule deuxième face de coin (22) qui est dirigée de manière opposée à la première face de coin (21) et qui est inclinée vers l'intérieur depuis la deuxième partie de recouvrement (32) de feuille interne jusqu'à la feuille externe (2) ;
    les parties de recouvrement (31, 32) de feuille interne de plaques identiques adjacentes étant en mesure de se mettre mutuellement en prise lors de l'assemblage et les première et deuxième faces de coin (21, 22) de l'âme isolante de plaques identiques adjacentes étant en mesure de se mettre mutuellement en prise lors de l'assemblage, dans laquelle ledit recouvrement des parties de recouvrement (31, 32) de feuille interne et
    des première et deuxième faces de coin (21, 22) s'étend sur sensiblement la deuxième épaisseur de l'âme isolante entre la face intérieure la plus basse de la partie trapézoïdale et la feuille externe.
  2. Toiture selon la revendication 1, dans laquelle l'une des faces de coin (21, 22) de l'âme isolante sous-tend un angle allant de 70° à 80° par rapport à la feuille externe, et l'autre (21, 22) des faces de coin de l'âme isolante sous-tend un angle correspondant allant de 110° à 100° par rapport à la feuille externe (2).
  3. Toiture selon la revendication 2, dans laquelle l'une des faces de coin (21, 22) de l'âme isolante sous-tend un angle d'environ 75° par rapport à la feuille externe (2), et l'autre des faces de coin (21, 22) de l'âme isolante sous-tend un angle correspondant d'environ 105° par rapport à la feuille externe (2).
  4. Toiture selon l'une quelconque des revendications précédentes, dans laquelle les parties sensiblement trapézoïdales ont des parois latérales à gradins.
  5. Toiture selon l'une quelconque des revendications précédentes, dans laquelle les parties de recouvrement (31, 32) de feuille interne sont définies par des parties partiellement trapézoïdales.
  6. Toiture selon l'une quelconque des revendications précédentes, dans laquelle les parties trapézoïdales ont une profondeur d'au moins 90 mm.
  7. Toiture selon la revendication 6, dans laquelle les parties trapézoïdales ont une profondeur d'environ 110 mm.
  8. Toiture selon l'une quelconque des revendications précédentes, dans laquelle la feuille externe (2) comporte une première partie de recouvrement (10) de feuille externe d'un côté et une deuxième partie de recouvrement (11) de feuille externe du côté opposé.
  9. Toiture selon la revendication 8, dans laquelle la feuille externe comporte une partie saillante mâle extérieure (10) et une partie enfoncée intérieure (11) d'un côté, et une partie enfoncée extérieure (11) et une partie mâle intérieure saillante (10) correspondantes respectivement du côté opposé de la plaque.
  10. Toiture selon l'une quelconque des revendications précédentes, dans laquelle, lors de l'assemblage, les bords latéraux des feuilles externes (2) de plaques adjacentes sont espacés l'un de l'autre au niveau d'un joint entre eux pour définir un espace (35).
  11. Toiture selon la revendication 10, dans laquelle l'espace (35) définit un repère pour une plaque de renfort externe (40) s'étendant entre les feuilles externes (2) de plaques adjacentes, lors de l'assemblage.
  12. Toiture selon l'une quelconque des revendications précédentes, dans laquelle la feuille externe (2) est revêtue du côté exposé aux intempéries d'une membrane résistante aux intempéries.
  13. Toiture selon la revendication 12, dans laquelle la membrane est en matière plastique.
  14. Toiture selon la revendication 12 ou la revendication 13, dans laquelle la membrane est en polychlorure de vinyle.
  15. Toiture selon l'une quelconque des revendications précédentes, dans laquelle la feuille externe (2) est en tôle d'acier.
  16. Toiture selon l'une quelconque des revendications précédentes, dans laquelle la feuille interne (3) est en tôle d'acier.
  17. Toiture selon l'une quelconque des revendications précédentes, comportant une pluralité de plaques selon l'une quelconque des revendications 1 à 16.
  18. Toiture selon la revendication 17, comprenant une plaque de renfort (40) à des fins d'extension en travers d'un joint entre des plaques adjacentes.
  19. Toiture selon la revendication 18, dans laquelle la plaque de renfort (40) comporte un repère (41).
  20. Toiture selon la revendication 19, dans laquelle le repère (41) est à des fins de mise en prise dans un espace (35) entre des feuilles externes (2) de plaques adjacentes.
  21. Toiture selon l'une quelconque des revendications 18 à 20, dans laquelle la plaque de renfort (40) comporte un trou (42, 43) destiné à recevoir une attache (44, 45) de joint.
EP03780557A 2002-12-12 2003-12-12 Toit plat ou sensiblement plat Expired - Lifetime EP1570141B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IE20020968 2002-12-12
IE20020968 2002-12-12
PCT/IE2003/000168 WO2004053252A1 (fr) 2002-12-12 2003-12-12 Plaque de toiture composite

Publications (2)

Publication Number Publication Date
EP1570141A1 EP1570141A1 (fr) 2005-09-07
EP1570141B1 true EP1570141B1 (fr) 2011-01-12

Family

ID=30130695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03780557A Expired - Lifetime EP1570141B1 (fr) 2002-12-12 2003-12-12 Toit plat ou sensiblement plat

Country Status (10)

Country Link
EP (1) EP1570141B1 (fr)
CN (1) CN100473792C (fr)
AT (1) ATE495324T1 (fr)
AU (1) AU2003288482B2 (fr)
DE (1) DE60335739D1 (fr)
ES (1) ES2358422T3 (fr)
GB (1) GB2396166B (fr)
NZ (1) NZ540602A (fr)
PT (1) PT1570141E (fr)
WO (1) WO2004053252A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1922453A1 (fr) * 2005-09-06 2008-05-21 Kingspan Research and Developments Limited Système de toit
WO2007144862A1 (fr) * 2006-06-13 2007-12-21 Kingspan Research And Developments Limited Panneau isolant composite
SI2126243T1 (sl) * 2007-01-12 2012-12-31 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Nagnjeni streĺ ni sistemi in izolacijske ploĺ äśe za nagnjene streĺ ne sisteme
ITAR20070005U1 (it) * 2007-04-20 2007-07-20 High Facing Srl Pannello sandwich di copertura
WO2009010994A1 (fr) * 2007-07-16 2009-01-22 Metecno S.P.A. Panneau autoportant pour des planchers de bâtiment et plancher résultant de celui-ci
IE20080692A1 (en) * 2007-08-27 2009-07-08 Kingspan Res & Dev Ltd A composite panel
EP2231950A1 (fr) * 2007-12-14 2010-09-29 Kingspan Research and Developments Limited Panneau comprenant un noyau en mousse isolant
EP3013916A1 (fr) * 2013-06-28 2016-05-04 BV Scheepswerf Damen Gorinchem Elément stratifié et procédé d'assemblage et ensemble d'un élément stratifié et d'un autre élément
CN103498537A (zh) * 2013-10-20 2014-01-08 山东普兰特板业有限公司 聚异氰脲酸酯改性聚氨酯屋顶防水保温板及其生产工艺
JP5864015B1 (ja) * 2015-03-27 2016-02-17 日新製鋼株式会社 金属屋根材、それを用いた屋根葺き構造及び屋根葺き方法並びに金属屋根材製造方法

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US4403980A (en) * 1973-02-27 1983-09-13 Star Manufacturing Company Of Oklahoma Prefabricated watertight structural system
IT1172845B (it) * 1983-11-04 1987-06-18 Metecno Spa Pannello sandwich a grecatura profonda provvisto di guinto di sormonto con pannelli adiacenti e procedimento per la su fabbricazione
DE3344969A1 (de) * 1983-12-13 1985-06-20 Schmelzer-Bongardt, Almut, 4100 Duisburg Vorgefertigtes wandelement
JPH01140752A (ja) * 1987-11-27 1989-06-01 Tokyo Electron Ltd 半導体集積回路素子
FR2650348A1 (fr) * 1989-07-25 1991-02-01 Perfil Frio Sa Plaque de fixation pour raccordement entre panneaux isolants prefabriques
DE9209745U1 (fr) * 1992-07-21 1992-09-17 Fischer Profil Gmbh, 5902 Netphen, De
JP3208338B2 (ja) * 1996-11-14 2001-09-10 大同鋼板株式会社 屋根材の接続構造
DE19824597C1 (de) * 1998-06-02 2000-02-24 Thyssenkrupp Stahl Ag Sandwichelemente zum Erstellen von Wänden und Dächern sowie Wand- und Dachkonstruktion mit mindestens zwei Sandwichelementen
DE10052800C1 (de) * 2000-10-25 2002-08-29 Thyssenkrupp Stahl Ag Dachelement
IT1319246B1 (it) * 2000-10-27 2003-09-26 Plastedil Sa Elemento costruttivo composito, in particolare per la realizzazione distrutture di rivestimento o strutture di parete di edifici.
EP1234926A1 (fr) * 2001-02-21 2002-08-28 Thyssen Bausysteme GmbH Panneau en tôle thermiquement isolant avec élément photovoltaique, pour recouvrement de toiture ou de façade
DE20108555U1 (de) * 2001-05-22 2001-08-16 Thyssenkrupp Stahl Ag Nut-Federverbindung von Dach- und Wandelementen
US20050011155A1 (en) * 2001-11-07 2005-01-20 Christopher Ponting Composite water-resistant panels

Also Published As

Publication number Publication date
GB2396166B (en) 2006-11-29
GB2396166A (en) 2004-06-16
ES2358422T3 (es) 2011-05-10
NZ540602A (en) 2007-04-27
GB0328932D0 (en) 2004-01-14
CN1726329A (zh) 2006-01-25
IE20030934A1 (en) 2004-06-16
AU2003288482B2 (en) 2009-01-08
EP1570141A1 (fr) 2005-09-07
ATE495324T1 (de) 2011-01-15
AU2003288482A1 (en) 2004-06-30
PT1570141E (pt) 2011-04-19
WO2004053252A1 (fr) 2004-06-24
DE60335739D1 (de) 2011-02-24
CN100473792C (zh) 2009-04-01

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