EP0811733A2 - Système de toiture - Google Patents

Système de toiture Download PDF

Info

Publication number
EP0811733A2
EP0811733A2 EP97303227A EP97303227A EP0811733A2 EP 0811733 A2 EP0811733 A2 EP 0811733A2 EP 97303227 A EP97303227 A EP 97303227A EP 97303227 A EP97303227 A EP 97303227A EP 0811733 A2 EP0811733 A2 EP 0811733A2
Authority
EP
European Patent Office
Prior art keywords
roof
unit
composite
insulating layer
layer
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Withdrawn
Application number
EP97303227A
Other languages
German (de)
English (en)
Other versions
EP0811733A3 (fr
Inventor
Peter Taylor
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.)
Talfab Holdings Ltd
Original Assignee
Talfab Holdings 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 Talfab Holdings Ltd filed Critical Talfab Holdings Ltd
Publication of EP0811733A2 publication Critical patent/EP0811733A2/fr
Publication of EP0811733A3 publication Critical patent/EP0811733A3/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of 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
    • E04D3/36—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
    • 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
    • E04D2003/3612—Separate fastening elements fixed to the roof structure and comprising plastic parts for avoiding thermal bridges

Definitions

  • This invention relates to a roofing system and, in particular, but not exclusively, to a roofing system made from profile sheeting.
  • a separate layer system which consists of a lower skin of sheeting made of relatively thin material, an upper skin of sheeting made of much thicker material and an insulating layer placed between the two skins. Both skins are usually profiled or corrugated with the lower skin having a shallow profile and the upper skin have a deeper profile.
  • the lower skin is designed merely to bear the weight of the insulation, but the upper skin is load bearing and has to be designed with sufficient tolerance to take the weight of personnel working on the roof, or snow and water.
  • the insulation layer may itself include further layers such as an impermeable lower layer and a breathable upper layer so as to keep the insulation dry.
  • sheeting manufactured off site has a length upper limit which is determined by transport regulations.
  • the maximum length of sheeting which can be carried by road without a police escort is 27 metres and with a police escort is 36 metres.
  • Many roofs have spans of over 36 metres and therefore such spans would have to be covered by multiple pieces of sheet if the sheeting had to be manufactured off site.
  • the separate layer system comprises simple pieces of roll-formed aluminium, it is possible to manufacture the upper and lower skin on site so that the transportation problems are voided and the maximum length of sheeting can be increased.
  • a further advantage is the relatively low prices for these components.
  • the system suffers from a number of disadvantages.
  • the system is particularly labour-intensive and takes time to construct. During construction it is necessary to cover the roof with the lower skin first to enable people to work under dry conditions in the structure below. However, it is plausible for personnel working on the roof to walk on this think lower profile which is particularly hazardous as it is not suitable for load bearing activities.
  • a second system has been developed which reduces labour and avoids the hazards associated with the system just described.
  • the second system utilises complete composite units consisting of a roof outer skin, a bottom lining skin and an insulation layer which are fitted together and sealed into monocoque units.
  • the units are easily fitted, they tend to be expensive to produce.
  • the complexity of the unit does not facilitate on site manufacture and for the reasons previously indicated the length of the unit is therefore limited.
  • the objective of the present invention is to address these problems.
  • a roofing system comprising a roof outer skin layer and a composite unit for the roof interior comprising a substantially rigid insulating layer and an inner lining skin layer wherein the lower surface of the insulating layer and the upper surface of the lining skin layer are fixed together so as to form a layered unit.
  • the outer skin is spaced from the upper surface of the insulating layer by spacers mounted on the composite unit.
  • a composite unit for a roof interior comprising a substantially rigid insulating layer and an inner lining skin layer wherein the lower surface of the insulating layer and the upper surface of the lining skin layer are fixed together so as to form a layered unit.
  • a method of constructing a roof comprising:
  • the outer skin layer is mounted on spacers which have been secured to the composite unit.
  • the two layered unit may be fitted to the roof to provide a waterproof layer (protecting the building interior) with sufficient load bearing capabilities to allow a workman to work on the roof prior to and during fixing of the roof outer skin.
  • the roof outer skin is fitted as a separate unit from the two layered unit, it may be provided with different dimensions.
  • the outer skin can be extruded on site and its length is thereby not restricted by transportation restrictions and regulations.
  • the invention has the threefold advantage of roof cover in the early stages of production, sufficient load bearing characteristics to allow further work on the roof both prior to and during fixing of the outer sheet and on-site manufacture of the outer sheet overcoming length limitations.
  • the outer skin is spaced from the upper surface of the insulating layer by spacers mounted on the two layered unit. Hitherto, this has not been possible due to the lack of significant load bearing characteristics in a fibre glass insulating layer and/or inner skin with low tolerance.
  • An unforseen advantage of the invention is the possibility of placing the spacers on the two layered unit to suit the unsupported spanning capability of the roof outer sheet.
  • the outer sheet must be supported directly by the purlins underlying the roof lining skin as the lining skin and the fibre glass offer little, if any, support.
  • the invention offers more flexibility so that the purlins need only be placed to support the two layered unit while the two layered unit itself provides the support to the outer roof sheet.
  • the unsupported spanning capabilities of the two layered unit are greater than the outer sheet, fewer purlins are required than would be the case if the outer sheet required direct support from the purlins.
  • the expensive possibility of providing ticker outer sheets with increased tolerances and thus needing fewer purlins is avoided.
  • the spaces are made from plastic to reduce creaking noise during roof movements and to reduce heat transfer between the roof layers.
  • a composite unit 2 is shown in cross section flanked by adjacent composite unit 4,6 (show partially).
  • the units have stepped side edges which are designed to co-engage with the stepped side edge of the adjoining place to that the respective upper and lower surfaces of adjacent units present a continuous planar surface across the roof top.
  • Each composite unit has a lining skin 10 forming the lower layer surface thereof. The lining skin also continues around the stepped sides of the composite units so as to provide further protection where adjoining units abut.
  • Each unit co-operates with adjacent units on each flank and this is effected by having a continuous longitudinal step 12 on one flank and a continuous longitudinal overhanging step 14 on the opposite flank so that the overhanging step 14 co-operates with an overhanging step 15 of the adjacent piece on the opposite flank of the unit.
  • the lining skin 10 defines the surface of the two steps 12,14 and at the side flanked by the step 12 continues at right angles along the upper surface 16 of the unit before folding downwardly at right angles to be terminated in the insulating layer 18.
  • the lining skin extends as far as the upper surface 16 and thereafter folds away from the unit at right angles to form an overhanging lip 20 parallel with the plane of the upper surface 16.
  • the composite unit is secured to the purlins (not shown) by way of a screw threaded bolt 22 which has a drill bit head 24 enhance its placement in the purlins.
  • the bolt 22 is conveniently driven into the unit from the upper surface of the step 12 in order to secure the composite unit to the purlins.
  • a complimentary recess 26 is provided in the bottom surface of the overhanging step 14 so as to accommodate the head 28 of the bolt 22 when the composite units are fitted together.
  • the outer roof sheet 30 has a series of spaced parallel longitudinal profile ridges 32 which correspond with equivalent ridges formed in the lower skin 10 and insulation 18.
  • the outer skin 30 is spaced from the upper surface 16 of the insulating layer 18 by means of halters 34.
  • a second composite units is laid along its flank so that the overhanging lip 20 of the lining sheet 10 on the second unit overhangs the folded back portion 40 of the lining sheet on the secured unit.
  • the second unit is thereafter secured on its opposite flank and the process is then repeated until the roof is entirely covered with the units.
  • the halters 34 may be mounted on the lip 20 and secured to the composite unit by means of a clamping screw 36 which acts to clamp together the base 38 of the halter 34, the overhanging lip 20 and the fold back portion 40.
  • a screw threaded adjustable wing nut 42 is utilised to urge the three pieces together and against the head 44 of the clamping screw 36 to provide a secure connection.
  • the head 46 of the halter 34 is utilised to assist the interlocking of adjacent pieces of the roof outer skin.
  • the edges of each outer sheet 30 are shaped so as to clip onto the head 46 of the halter 34 in such a manner that a first sheet clips over the head of the halter on one flank and clips over both the head and the clip of the adjacent sheet on the opposite flank so as to provide a secure connection.
  • Each sheet has an inner clip 50 on one side thereof and an outer clip 52 on the opposite side thereof so that a number of sheets may be clipped together in this manner.
  • the lip 20 extends longitudinally down each composite unit as does the fold back portion 40 on the opposite flank of each unit.
  • This arrangement allows the halters 34 to be mounted at any point along the length of the composite unit.
  • the clipped portions 50,52 on either flank of each outer sheet 30 extend longitudinally from one end of the sheet to the other. Due to this arrangement, the position and the number of the halters may be varied and chosen so as to provide support which reflects the tolerances of the outer sheet 30. As the tolerance of the composite unit is greater than the outer sheet due to the substantially rigid insulation layer, such positioning may be independent of the positioning of the purlins upon which the composite units are placed.
  • the stepped co-operation of adjacent composite units means that they are relatively secure once the threaded bolts 22 are driven into the underlying purlins.
  • the units thus provide shelter for the interior of the construction and additionally, provide support for personnel working on the roof top.
  • the independence of the outer sheet construction from the composite unit construction allows the length of the former to be independently produced so as to match the appropriate roof conditions and, in particular, the span of the roof.
  • the span length is less important and the problems of transport associated with previous constructions are avoided.
  • the composite unit is load bearing and the problems associated with personnel hazard and associated interior roof damage are thereby avoided.
  • the unit is additionally less costly than the known composite unit due to the absence of the outer roof sheet and maintains the advantage of producing the outer roof sheet on site.
  • the lip 20 together with the fold back portion 40 provides a convenient firm securement point for the mounting of the halter 34.
  • the lip and the fold back portion to extend longitudinally along the whole length of the composite unit so as to provide for variable positioning of the halter it is nevertheless possible for this feature to be varied so that, for instance, it could simply provide a series of possible fixing points rather than a continuous lip or fold back portion.
  • the height of the shaft of the halter may be varied in order to cause a corresponding variation in the roof space between the upper surface of the insulating layer and the lower surface of the outer sheet. Such variations may be required to meet building roof space regulations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP97303227A 1996-05-11 1997-05-12 Système de toiture Withdrawn EP0811733A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9609917A GB2312903B (en) 1996-05-11 1996-05-11 A roofing system
GB9609917 1996-05-11

Publications (2)

Publication Number Publication Date
EP0811733A2 true EP0811733A2 (fr) 1997-12-10
EP0811733A3 EP0811733A3 (fr) 1998-11-04

Family

ID=10793589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97303227A Withdrawn EP0811733A3 (fr) 1996-05-11 1997-05-12 Système de toiture

Country Status (2)

Country Link
EP (1) EP0811733A3 (fr)
GB (1) GB2312903B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342933A (en) * 1998-10-14 2000-04-26 Hoogovens Aluminium Bausysteme Retaining element for sheet-like building elements

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369378A (en) * 2000-11-24 2002-05-29 Talfab Holdings Ltd Composite panel

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541840A (en) * 1976-04-26 1979-03-07 Eternit Building Products Ltd Roofing or cladding of buildings
GB2051910A (en) * 1979-06-27 1981-01-21 Cape Insulation Services Ltd Roofing
GB2062721A (en) * 1979-10-01 1981-05-28 Condor Int Ltd Roof Cladding
US4348846A (en) * 1980-10-02 1982-09-14 Butler Manufacturing Company Insulated roof
GB2148975A (en) * 1983-11-05 1985-06-05 Ash & Lacy Plc Wall/roof assemblies
US4578917A (en) * 1982-10-08 1986-04-01 Nucor Corporation Interlocking-segment spacer beam
GB2190937A (en) * 1986-05-15 1987-12-02 Crozier Construction Co Limite Cladding
GB2198161A (en) * 1986-12-02 1988-06-08 Precision Metal Forming Ltd Insulated standing seam roof assembly
EP0685612B1 (fr) * 1994-05-30 1997-03-05 Gerthold Dipl.-Ing. Pröckl Garniture pour systèmes de toit à double couche

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541840A (en) * 1976-04-26 1979-03-07 Eternit Building Products Ltd Roofing or cladding of buildings
GB2051910A (en) * 1979-06-27 1981-01-21 Cape Insulation Services Ltd Roofing
GB2062721A (en) * 1979-10-01 1981-05-28 Condor Int Ltd Roof Cladding
US4348846A (en) * 1980-10-02 1982-09-14 Butler Manufacturing Company Insulated roof
US4578917A (en) * 1982-10-08 1986-04-01 Nucor Corporation Interlocking-segment spacer beam
GB2148975A (en) * 1983-11-05 1985-06-05 Ash & Lacy Plc Wall/roof assemblies
GB2190937A (en) * 1986-05-15 1987-12-02 Crozier Construction Co Limite Cladding
GB2198161A (en) * 1986-12-02 1988-06-08 Precision Metal Forming Ltd Insulated standing seam roof assembly
EP0685612B1 (fr) * 1994-05-30 1997-03-05 Gerthold Dipl.-Ing. Pröckl Garniture pour systèmes de toit à double couche

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2342933A (en) * 1998-10-14 2000-04-26 Hoogovens Aluminium Bausysteme Retaining element for sheet-like building elements
GB2342933B (en) * 1998-10-14 2002-08-14 Hoogovens Aluminium Bausysteme Retaining element for sheet-like building elements

Also Published As

Publication number Publication date
EP0811733A3 (fr) 1998-11-04
GB2312903A (en) 1997-11-12
GB2312903B (en) 2000-01-26
GB9609917D0 (en) 1996-07-17

Similar Documents

Publication Publication Date Title
US6077159A (en) Apparatus and method for passive ventilation of buildings
US6223481B1 (en) Roof construction
GB2044316A (en) Double-skin Wall or Roof Panel
EP1898018A1 (fr) Ensemble de toit
EP3406818B1 (fr) Ensemble de lucarne
EP0473321B1 (fr) Petit-bois
CA1281164C (fr) Feuillard de serrage et contre-plaque pour joint de rebord d'une couverture metallique
EP0327261A1 (fr) Panneaux de construction
US3982360A (en) Mobile home roof apparatus
EP0811733A2 (fr) Système de toiture
US4706434A (en) Standing seam structure covering system
SK34197A3 (en) Roof structure
EP0329654A1 (fr) Procédé de revêtement
DE3235246A1 (de) Waermedaemmbahn zur waermedaemmung eines steildaches im raum zwischen den dachsparren, sowie hiermit gedaemmtes steildach
EP1316654A1 (fr) Espaceur pour une structure de toit et procédé de fixation des liteaux dans une structure de toit
GB2428051A (en) Standing seam roof cladding system with integral halter bracket
AU2018219971B2 (en) Spacer
GB2069036A (en) Double-layer natural light fittings
JP3659358B2 (ja) 屋根改修構造
GB2453150A (en) Archuate top sheet for use in a roof assembly
EP4008854A1 (fr) Agencement de fixation
JPH0960206A (ja) 建築用縦葺き外装材及び建築物の外装構造
JP2003503615A (ja) 断熱及び／又は保護用の屋根被覆材を固定するための装置又は様々な部材用の支持部材を取付けるための装置を有する、連続する波板により構成される屋根及びその類似物
GB2335932A (en) A gutter system
AU2009202566A1 (en) Spacer

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE FR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

RHK1 Main classification (correction)

Ipc: E04D 3/35

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE FR

17P Request for examination filed

Effective date: 19990427

17Q First examination report despatched

Effective date: 20020716

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20021127