WO2004063489A1 - Sous-structure pour un toit ou une façade - Google Patents

Sous-structure pour un toit ou une façade Download PDF

Info

Publication number
WO2004063489A1
WO2004063489A1 PCT/EP2004/000144 EP2004000144W WO2004063489A1 WO 2004063489 A1 WO2004063489 A1 WO 2004063489A1 EP 2004000144 W EP2004000144 W EP 2004000144W WO 2004063489 A1 WO2004063489 A1 WO 2004063489A1
Authority
WO
WIPO (PCT)
Prior art keywords
sub
elongate spacer
spacer sections
structure according
heat insulating
Prior art date
Application number
PCT/EP2004/000144
Other languages
English (en)
Inventor
Karl-Friedrich Fick
Christian Flertmann
Original Assignee
Corus Bausysteme Gmbh
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 Corus Bausysteme Gmbh filed Critical Corus Bausysteme Gmbh
Priority to DE112004000108T priority Critical patent/DE112004000108T5/de
Publication of WO2004063489A1 publication Critical patent/WO2004063489A1/fr

Links

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
    • E04D3/36—Connecting; Fastening
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3602—The fastening means comprising elongated profiles installed in or on the insulation layer
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
    • E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
    • E04D13/1643—Insulation of the roof covering characterised by its integration in the roof structure the roof structure being formed by load bearing corrugated sheets, e.g. profiled sheet metal roofs
    • E04D13/165—Double skin roofs
    • 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
    • E04D3/3601—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer
    • E04D3/3603—Connecting; Fastening of roof covering supported by the roof structure with interposition of a insulating layer the fastening means being screws or nails

Definitions

  • the invention relates to a sub-structure for mounting on a support structure together forming part of a roof or facade structure of a building, comprising a heat insulating layer arranged on the support structure and elongate spacer sections for connecting to the support structure by means of spaced connection elements and for holding or mounting retaining elements for building sheets.
  • the invention further relates to an assembly of at least one such sub-structure mounted on at least one support structure, thereby forming part of a roof or a facade structure.
  • Such a sub-structure for a roof is known from European application no. EP-
  • the support structure is typically formed by an old roof under repair or renovation, e.g. a trapezoidal sheet roof structure or a wooden structure with for example wooden barriers.
  • a thin barrier layer against moisture and air typically formed by a foil or the like, and on this thin barrier layer there is provided a relatively thick layer of tread-proof fibre heat insulating layer.
  • load bearing elongate spacer sections are provided on top of the insulating layer for mounting such retaining elements.
  • these load bearing elongated spacer sections are formed by longitudinal U-shaped profiles of metal, the web of which forms the securing base or mounting base for the retaining elements and further having two arms extending substantially perpendicular to the web into the heat insulating layer.
  • the elongate spacer sections are secured by means of spaced-apart long connecting elements, e.g. thread screws made of stainless steel, which pass through the web of the elongate spacer sections, through the tread-proof heat-insulating layer and into the support structure.
  • the elongate spacer sections Prior to mounting the retaining elements onto the elongate spacers sections, the elongate spacer sections need to be carefully located with respect to the support structure, and furthermore the elongate spacer sections need to be sunk into the tread-proof thermal insulating layer.
  • tracks for the two arms of the U-shaped elongate spacer sections are being milled into the tread-proof heat-insulating layer. Thereafter the U-shaped spacer sections are located into these milled tracks and connected to the support structure by means of long threaded screws.
  • a disadvantage of this sub-structure is that it requires the cutting or milling of the tracks for the U-shaped elongate spacer sections, which cutting or milling requires in turn dedicated equipment and skilled labour force.
  • a further disadvantage is the difficulty of the cutting or milling of the tracks in the event of roof structure having a steep inclination or on a facade structure.
  • Yet another disadvantage is the limited thermal insulation of the known sub-structure.
  • a sub-structure for mounting on a support structure, whereby the sub-structure and support structure together form part of a roof or a facade structure of a building, the sub-structure comprising a heat insulating arranged on the support structure, and further elongate spacer sections on the heat insulating layer and whereby the elongate spacer sections are for connecting to the support structure usually by means of spaced connection elements, such as screws, securing the spacer sections to the support structure and in addition for holding or mounting retaining elements or mounting brackets for engagement with the building sheets, usually the free ends of the building sheets are flanged over the head part of the retaining element.
  • the sub-structure is characterised in that the elongate spacer sections are formed by a profile having, as seen in cross- section perpendicular to its direction of elongation, a channel-shaped recess to receive the retaining elements, formed by upstanding flanges which overhang the base surface of the recess to provide parallel opposed lateral grooves, and wherein on top of the heat insulating layer and between the space formed by the building sheets and the retaining elements there is arranged a further layer of heat insulating material of lower stiffness, usually obtained by a lower density, than said first heat insulating layer.
  • the elongate spacer elements formed by the rigid sheets or strips can be positioned in a very easy manner just by placing the rigid sheet or strip on top of the underlying heat insulating layer.
  • the elongate spacer elements can be connected to the support structure using long connection elements, such as screws. Consequently, the sub-structure enables much flexibility during the construction of the sub-structure and is much easier to construct as compared to the prior art. For example, the need for a special device for milling tracks into the underlying heat insulating layer has been overcome.
  • Another advantage is that it allows installing a well-known roof construction, such as the Kalzip (trade mark) construction, on a rigid thermal insulation layer.
  • Tread- proof thermal insulating material usually formed by a high-density mineral wool, are relatively expensive and have a lower thermal isolation capacity compared to more conventional heat insulating material of lesser density. It is now possible to keep the first underlying layer of tread-proof material relatively thin and thereby keeping costs relatively low, while the second layer can be made thicker than the first layer, thereby further improving the thermal isolation capacity of the whole sub-structure.
  • the material selected for the second insulating layer is much more flexible and more easy to handle than the more rigid first underlying heat insulating layer material.
  • the retaining elements are slidable mounted in the grooves of the elongate spacer sections.
  • the retaining elements are rotatable mounted in the grooves of the elongate spacer sections.
  • the retaining elements can be positioned at the latest moment during construction and the positioning of the elongate spacer elements with respect to the overlying support structure, the elongate spacer element and the building sheets is less stringent, because the relative movement of the retaining elements provides the required flexibility. It allows that the roof sheeting to adjust themselves in and on the retaining element.
  • the flexibility of the retaining elements result also in less noise, which noise usually results from or is due to friction between sliding metal contacts in case both the building sheet and the retaining element are made of a metal.
  • FIG. 1 shows a schematic perspective view of a sub-structure according to the prior art
  • Fig. 2 shows a schematic view of a sub-structure in accordance with the invention
  • Fig. 3 shows a schematic perspective view of the elongate spacer section used in the sub-structure according to the invention in combination with a retaining element
  • Fig. 4 shows a schematic perspective view of the retaining element used in the sub-structure according to the invention
  • Fig. 5 shows a schematic perspective view of the sub-structure according to the invention.
  • Fig. 1 shows schematically a sub-structure according to the prior art as known from European patent application EP-0685612-A1 , comprising a support structure 1 formed by a trapezoidal sheet roof structure or the like, such as a timber structure, a thin moisture and air barrier layer 8, a relatively thick layer 2 of tread-proof high- density mineral wool for heat insulating purposes, and two load bearing elongate spacer sections 3,4 which are formed by U-shaped elongate metal profiles with a web having a width of about 60 mm. The two arms of the U-shaped profiles extend substantially perpendicular to the web into the heat-insulating layer 2 and fixate the U- shaped profiles 3,4 with respect to the insulating layer.
  • a support structure 1 formed by a trapezoidal sheet roof structure or the like, such as a timber structure, a thin moisture and air barrier layer 8, a relatively thick layer 2 of tread-proof high- density mineral wool for heat insulating purposes, and two load bearing elongate spacer sections 3,4 which are formed by
  • the U-shaped profiles 3,4 are secured to the support structure 1 by means of long countersunk thread screws located at spaced intervals along the centreline of the web of the U-shape.
  • Fig. 2 shows a schematic cross-sectional view of the sub-structure in accordance with the invention and which has been arranged on a support structure 1 formed by an existing trapezoidal sheet roof structure.
  • the rigid sheet 3 is arranged on top of an underlying heat insulating layer 2, typically a tread-proof high- density mineral wool material, which in turn is arranged on top of a thin barrier layer 8, the rigid sheet being connected to the support structure using connection elements such as long screws.
  • an underlying heat insulating layer 2 typically a tread-proof high- density mineral wool material, which in turn is arranged on top of a thin barrier layer 8, the rigid sheet being connected to the support structure using connection elements such as long screws.
  • a second layer 11 of heat insulating material having a lower density then the first insulating layer 2, and thereby providing an improved heat insulating efficiency of the whole sub-structure.
  • Fig. 3 shows a perspective view of an elongate spacer element 3 engaging a retaining element 5.
  • the spacer element 3 is in a preferred embodiment made of an extruded metal profile, such as an aluminium alloy or magnesium extruded profile.
  • the spacer element can be made of a plastic material or a reinforced plastic material.
  • Suitable plastic materials are, but not limited to, nylon or thermoplastic material such as PVC, PA, PE, PUR, PP, PDFE or cellulose polymers.
  • Suitable reinforcement could be of, but not limited to, metal, e.g. aluminium or steel, another plastic, glass fibres, ceramic fibres and the like to provide amongst others further mechanical stability.
  • the channel-shaped recess is formed by upstanding flanges 7 which overhang the base surface of the recess to provide parallel opposed lateral slots or grooves, which receive the corresponding lateral portions of the foot-section of the elongate retaining element.
  • the upstanding flanges could also have an essentially T- shape, such as shown in Fig. 3B.
  • the shape of the elongate spacer element provides sufficient bending and torsion stiffness or can be designed to do so.
  • the elongate spacer element 3 is connected to the support structure using elongate connection elements, such as screws.
  • connection elements are preferably located through holes in the base surface arranged outside the channel-shaped recess. This achieves the advantage that there is no need to use countersunk screws, resulting in cheaper and easier construction.
  • the location of the connection elements outside the channel- shaped recess allows a much greater flexibility for the location of the elongate retaining elements, since it is usually not advisable the locate a retaining element directly above the head part of a screw.
  • the connection elements are at leaped positions with respect to each other along the direction of elongation of the elongate spacer element. In this way the resistance against torsion of the spacer element is being further improved.
  • the elongate retaining element 5 can be provided with a square and rectangular foot-section.
  • such foot-section is slide at the beginning of the elongate spacer element 3 under the overhanging flanges 7 and the retaining element 5 is broad to its desired location.
  • the desired location it can be connected to the elongate spacer element 3 using for example connection elements such as screws or rivets.
  • the foot-section of the elongate retaining element 5 is provided with a shape where the edge sections have been rounded-off or have semicircular ends or have an elliptical periphery.
  • Such retaining element 5 can the inserted into the lateral grooves of the elongate spacer elements at or close to their final position. There they can be rotated into their desired direction or orientation.
  • FIG. 4 shows a schematic perspective view of the elongate retaining element 5 used in an embodiment of the sub-structure according to the invention.
  • the retaining element 5 is provided with a head-part 12, a foot-section 10 and a connecting flange or web 13.
  • the retaining element can be made of a metal, in particular of an extruded aluminium alloy, or of a plastic material reinforced with a core of a different material, for example with a metal core as known from EP-A-1236840 (incorporated herein by reference), or of a fully plastic material.
  • Suitable plastic materials are, but not limited to, nylon or thermoplastic material such as PVC, PA, PE, PUR, PP, PDFE or cellulose polymers.
  • the foot-section is provided with two straight opposite sides essentially parallel to the elongation direction of the head-part and semicircular ends as to allow inserting into the channel-shaped recess and rotation to the desired orientation.
  • Fig. 5 shows a perspective view of the sub-structure according to the invention as shown in Fig. 3 above and which has been arranged on a support structure 1 formed by an existing trapezoidal sheet roof structure, and which could also have a different structure.
  • a rigid sheet shown in more detail in Fig.3 and 3B
  • a rotatable retaining element 5 for holding building sheets 9 allowing for improved ease of construction.
  • the rigid sheet 3 is arranged on top of an underlying heat insulating layer 2, typically a tread- proof high-density mineral wool material, which in turn is arranged on top of a thin barrier layer 8.
  • the elongate spacer section 3 being connected to the support structure using connection elements such as long screws, preferably in a leaped arrangement.
  • connection elements such as long screws, preferably in a leaped arrangement.
  • a second layer 11 of heat insulating material having a lower stiffness obtained by a lower density then the first insulating layer 2, and thereby providing an improved heat insulating efficiency of the whole sub-structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

La présente invention concerne une sous-structure à fixer sur une structure support, lesquelles structures font ensemble partie intégrante d'un toit ou d'une structure de façade d'un bâtiment. Cette sous-structure comporte une couche calorifuge placée sur la structure support et des sections d'écartement allongées sont formées sur la couche calorifuge, lesquelles sections d'écartement allongées sont prévues pour être reliées à la structure support au moyen d'éléments de liaison espacés et servent à maintenir des éléments de retenue de tôles pour le bâtiment. Ladite sous-structure se caractérise en ce que les sections d'écartement allongées sont formées par un profilé présentant, vu en coupe transversale perpendiculairement à son sens d'allongement, un évidement en forme de canal destiné à recevoir les éléments de retenue, cet évidement étant formé par des brides en saillie qui surplombent la surface de base dudit évidement pour former des rainures latérales opposées parallèles. De plus, une autre couche de matière calorifuge présentant une densité inférieure à celle de la première couche calorifuge est placée au-dessus de cette dernière et entre les tôles pour le bâtiment et les éléments de retenue.
PCT/EP2004/000144 2003-01-13 2004-01-09 Sous-structure pour un toit ou une façade WO2004063489A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112004000108T DE112004000108T5 (de) 2003-01-13 2004-01-09 Unterstruktur für ein Dach oder eine Fassade

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03075134 2003-01-13
EP03075134.1 2003-01-13

Publications (1)

Publication Number Publication Date
WO2004063489A1 true WO2004063489A1 (fr) 2004-07-29

Family

ID=32524219

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/000144 WO2004063489A1 (fr) 2003-01-13 2004-01-09 Sous-structure pour un toit ou une façade

Country Status (3)

Country Link
DE (1) DE112004000108T5 (fr)
FR (1) FR2849884B1 (fr)
WO (1) WO2004063489A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2532085A (en) * 2014-11-10 2016-05-11 Ca Group Ltd Conduction reducing device for cavity insulation assembly and spacer device for cavity insulation assembly
CN107816172A (zh) * 2017-11-07 2018-03-20 安徽三宝钢结构股份有限公司 一种屋面复合板的搭接结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645698A1 (fr) * 2004-10-05 2006-04-12 Rockwool International A/S Une structure de toit
FR2962797B1 (fr) * 2010-07-19 2014-02-14 Tenesol Structure de montage d'un panneau de recuperation d'energie solaire sur un support, systeme comprenant une telle structure, installation comprenant un tel systeme, procede de montage d'un systeme de recuperation d'energie solaire sur un support

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040823A1 (fr) * 1999-01-08 2000-07-13 Corus Bausysteme Gmbh Elements de retenue pour toles de constructions metalliques
DE10121384A1 (de) * 2001-05-02 2002-11-07 Saint Gobain Isover G & H Ag Zweischaliges Blechdach

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4418890A1 (de) 1994-05-30 1995-12-14 Proeckl Gerthold Dipl Ing Fh Unterkonstruktion für zweischalige Dachsysteme
EP1236840B1 (fr) 2001-02-19 2006-02-01 Corus Bausysteme GmbH Elément allongé de retenue

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040823A1 (fr) * 1999-01-08 2000-07-13 Corus Bausysteme Gmbh Elements de retenue pour toles de constructions metalliques
DE10121384A1 (de) * 2001-05-02 2002-11-07 Saint Gobain Isover G & H Ag Zweischaliges Blechdach

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2532085A (en) * 2014-11-10 2016-05-11 Ca Group Ltd Conduction reducing device for cavity insulation assembly and spacer device for cavity insulation assembly
GB2532085B (en) * 2014-11-10 2017-06-14 Ca Group Ltd Conduction reducing device for cavity insulation assembly and spacer device for cavity insulation assembly
CN107816172A (zh) * 2017-11-07 2018-03-20 安徽三宝钢结构股份有限公司 一种屋面复合板的搭接结构

Also Published As

Publication number Publication date
DE112004000108T5 (de) 2005-12-22
FR2849884B1 (fr) 2014-07-25
FR2849884A1 (fr) 2004-07-16

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