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EP0395290A1 - Dachbauweise - Google Patents

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Publication number
EP0395290A1
EP0395290A1 EP90304149A EP90304149A EP0395290A1 EP 0395290 A1 EP0395290 A1 EP 0395290A1 EP 90304149 A EP90304149 A EP 90304149A EP 90304149 A EP90304149 A EP 90304149A EP 0395290 A1 EP0395290 A1 EP 0395290A1
Authority
EP
European Patent Office
Prior art keywords
roof
sheeting
structure according
supporting
battens
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.)
Granted
Application number
EP90304149A
Other languages
English (en)
French (fr)
Other versions
EP0395290B1 (de
Inventor
Leone Luparini
Heinz Michael Eichenauer
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.)
ONDULINE BUILDING PRODUCTS LIMITED
Original Assignee
ONDULINE BUILDING PRODUCTS 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
Priority claimed from GB898908698A external-priority patent/GB8908698D0/en
Application filed by ONDULINE BUILDING PRODUCTS Ltd filed Critical ONDULINE BUILDING PRODUCTS Ltd
Publication of EP0395290A1 publication Critical patent/EP0395290A1/de
Application granted granted Critical
Publication of EP0395290B1 publication Critical patent/EP0395290B1/de
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
    • E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/02—Grooved or vaulted roofing elements
    • E04D1/04—Grooved or vaulted roofing elements of ceramics, glass or concrete, with or without reinforcement
    • E04D1/045—Vaulted roofing elements laid alternately side-up and side-down, e.g. monks and nuns tiles
    • 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
    • E04D1/34—Fastenings for attaching roof-covering elements to the supporting elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D12/00—Non-structural supports for roofing materials, e.g. battens, boards
    • E04D12/004—Battens
    • E04D12/006—Batten-supporting means
    • 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
    • E04D13/004—Protection against birds, mice or the like
    • 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
    • E04D3/3608—Connecting; Fastening for double roof covering or overroofing

Definitions

  • the invention relates to roofing, and is particularly suitable for the construction of tiled or slated roofs.
  • underlay such as roofing felt
  • roofing felt In a conventional roof, sheets of underlay, such as roofing felt, are laid over a timber framework formed by the rafters, and tiles or slates are laid on top of the underlay.
  • the underlay thus forms a secondary barrier to water penetration.
  • Low-pitch roofs of this type are particularly prone to problems, a major one being that of water ingress. As the roof is relatively flat, water or snow may collect on the tiles or slates and then seep between the tiles or slates. The low pitch of the roof also means that wind can blow water underneath the tiles or slates. Pantiles are particularly likely to allow water to creep beneath them, due to their shape.
  • the roofing felt underlay is the only barrier to prevent water from entering the building. Often it does not prove to be an effective barrier, as the roofing felt tends to sag between the rafters on which it is laid, creating gaps between adjacent overlapping sheets.
  • a further drawback of known tiled or slated roof structures is that they provide very little thermal insulation.
  • the invention provides a roof structure comprising a roof supporting structure, corrugated waterproof sheeting supported by the roof-supporting structure and covering substantially the entire roof structure in a watertight manner, and tiles or slates overlaying the corrugated waterproof sheeting.
  • the roof shown in the drawings comprises a timber framework on which sheets of corrugated waterproof material 12 are laid. Slates or tiles 20 of stone, clay, or concrete are then laid on top of the corrugated sheeting.
  • roof trusses 1 are fixed in position extending from a ridgeboard 2 to a wall 3 of the building in the conventional manner.
  • An undercloak 4 is fitted flush to the top of each gable wall 5 of the building at this stage.
  • Purlins 6 are fixed across the roof trusses 1 at regular intervals, perpendicular to the trusses.
  • An apron of waterproof material 7 may be fitted at the eaves of the roof structure, supported by plywood 8 and an inclined chamfered board 9 secured to a fascia board 10. The outer edge of the apron overhangs the fascia board.
  • Supporting battens 11 are laid on top of the purlins, parallel to the roof trusses.
  • the supporting battens 11 are spaced apart at regular intervals, to coincide with whole numbers of corrugations of corrugated waterproof sheets 12 (figs. 2 and 3) and are fixed in place by nails or analogous means to the purlins.
  • the corrugated sheets 12 are laid on top of the framework of roof trusses 1, purlins 6 and supporting battens 11, so that the corrugations run parallel to the roof trusses and supporting battens.
  • Each supporting batten runs underneath a crest 13 (fig. 3) of a corrugation of the corrugated sheets.
  • the corrugated sheets are preferably about 3mm thick and made into a monolayer from organic fibres impregnated with bitumen under high pressure and at high temperature.
  • Such a corrugated material is sold under the Trade Mark “Onduline” by Onduline Building Products Ltd., London.
  • each sheet of corrugated material may be used in the construction of a roof, and each sheet overlaps its neighbours. Where the overlap is between adjacent sheets at different heights on the roof, the sheets are arranged so that the lower edge of the higher sheet overlays the upper edge of the lowe sheet. Therefore, any water running down the corrugations does not enter the building at these overlaps.
  • the layer of corrugated material covers the entire roof structure in a watertight manner.
  • the corrugated sheets 12 are fixed in position with nails 14 (fig. 3).
  • the nails are positioned at regular intervals, and each nail passes through a crest 13 (fig. 3) of a corrugation and into a purlin 6.
  • the corrugated sheets 12 are supported by a framework of purlins 6 and roof trusses.
  • a gas-permeable filler 15 made of polyethylene foam is positioned on the lowest purlin 6a, and the corrugated sheets 12 fit flush onto the filler.
  • the filler 15 prevents the entry into the roof structure of dust, birds and other foreign material, whilst still permitting the passage of air.
  • Tiling battens 16 (figs. 2 and 3) are laid on top of corrugated sheets 12, parallel to the purlins 6 and spaced at regular intervals at a pitch appropriate to the size and type of tile or slate.
  • the tiling battens 16 are fixed in position with nails 17 (fig. 3). Each nail passes through a crest 13 of a corrugation of the corrugated sheets, and into one of the supporting battens 11 which lies beneath the crest of the corrugation (fig. 3).
  • the tiling battens 16 are supported by the corrugated sheets 12 and the supporting battens 11.
  • a bird comb 18 may be positioned at the eaves of the roof structure to prevent the entry of birds.
  • a bargeboard 19 is fixed at the junction of the roof with the side walls 5.
  • Tiles or slates 20 are hung on the tiling battens 16 in the normal manner, and guttering 21 may be fitted to the fascia board 10 at the eaves in the usual way.
  • Figures 4 and 5 show a modification of the roof structure of Figures 1 to 3.
  • the purlins 6 are set at regular intervals corresponding to the gauge of the tiles or slates eventually to be used.
  • the supporting battens 11 are omitted, the corrugated sheeting 12 being placed directly over the purlins 6.
  • the tiling battens 16 are placed directly over the purlins and secured in place by nailing to the purlins 6
  • Rigid steel bridge members 40 are placed at intervals over the ridges in the corrugated sheet and underneath the tiling battens at the points where the tiling battens are nailed to the purlins to support the tiling battens and prevent them crushing the corrugations in the sheeting.
  • the bridge members are in the shape of an inverted U with a cross piece 43 and two diverging legs 44.
  • the bottoms of the legs are curved to form smooth feet 41 which rest on the sheeting and do not damage it.
  • the height H of the bridge member 40 corresponds to the depth of the corrugations and the spacing W of the feet 41 of the bridge member corresponds to the width of the corrugations.
  • Each nail which secures the tiling batten to the purlin also passes through a hole 42 in the bridge member and through the crest of the corrugation in the sheeting and thus serves to hold the corrugated sheeting and bridging member in place.
  • the bridging members do not prevent air flowing up the spaces formed by the corrugations from the eaves to the ridge of the roof on both sides of the sheeting.
  • the embodiment of Figures 4 and 5 is the same as that of Figures 1 to 3.
  • Figures 6 and 7 show a modification of the embodiment of Figures 4 and 5 which is identical in every respect except that the bridge members 40 are omitted.
  • the tiling battens 16 are nailed to the purlins 6 through the crests of the corrugations, care being taken when driving in the nails not to drive them in too far and thus distort the corrugations of the sheeting.
  • FIGS. 8 and 9 show another roof structure in accordance with the invention.
  • roof-supporting structure is formed by weatherboarding 52.
  • the weatherboarding runs horizontally at right angles to the trusses and each piece of weatherboarding overlaps the adjacent piece lower down the slope of the roof.
  • Corrugated waterproof sheeting 53 is secured over the weatherboarding by nails which pass through the crests of the corrugations. Care is taken when securing the sheeting not to drive the nail in too far so as to distort the corrugations.
  • the sheets are overlapped as in the previous embodiments so as to provide a watertight layer over the entire roof-supporting structure.
  • the sheeting may be of the same material as described with reference to the preceding embodiments.
  • Spanish tiles are then laid on the surface of the corrugated sheeting.
  • the Spanish tiles have a part frusto-conical shape so as to be larger at one end than the other.
  • a first layer 54 of tiles is laid in columns across the roof with their concave side uppermost and their smaller ends pointing down the roof.
  • the tiles are supported on either side at 56 by the sides of the corrugations. Each tile overlaps the adjacent tile lower down the roof.
  • a second layer 57 of tiles is then laid over the first layer in columns across the width of the roof.
  • the tiles of the second layer have their convex sides uppermost and their layer ends pointing down the roof.
  • the side edges of each tile sits on the concave surfaces of two horizontally-adjacent tiles of the lower layer and each tile of the upper layer overlaps the adjacent tile in the upper layer lower down the roof.
  • the ridge is finished with ridge tiles in a conventional manner.
  • the sheeting is chosen so that the spacing between troughs in the corrugations is a whole number multiple of the desired horizontal spacing of the columns of tiles. Because the tiles sit in the troughs in the corrugated sheets they are more stably located in position than when conventional methods for laying Spanish tiles are used.
  • the overlap between tiles can be decreased compared with conventional methods of laying Spanish roof tiles without running a risk of water penetration, resulting in a reduction in the number of tiles required.
  • the invention therefore, provides a highly waterproof roof structure, as protection is provided both by the tiles or slates and by the underlaying sheet of corrugated material.
  • the invention is particularly useful for low-pitch roofs or roofs with badly fitting tiles or slates, as even when water does seep between the tiles, it is prevented from entering the building by the corrugated waterproof underlay. Any water entering the roof simply runs down the troughs of the corrugations and leaves the building.
  • Good waterproof sealing is possible between adjacent sheets of the waterproof material, so that water does not enter the building through gaps between the underlay sheets as can happen with conventional roofs. This effective sealing is partly due to the overlap of corrugations between adjacent sheets, which provides an interlocking junction between sheets, and partly due to the high bitumen content of the material used, so that one sheet adheres to the other.
  • the positioning of nails through the crests of the corrugated sheets further prevents water seeping into the building. Any water present within the roof structure will collect in the troughs of the corrugated sheets, and as nails only perforate the crests, the likelihood of water entering building through these perforations is reduced.
  • the invention also enables air-flow through the roof, due to the corrugated nature of the waterproof sheets, allowing evaporation of moisture present within the roof structure.
  • a roof structure according to the invention is also thermally insulating. This results partly from the thickness of the corrugated sheets and partly from holding air within the structure due to the corrugations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Fluid-Driven Valves (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
EP90304149A 1989-04-18 1990-04-18 Dachbauweise Expired - Lifetime EP0395290B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB898908698A GB8908698D0 (en) 1989-04-18 1989-04-18 Roof structure
GB8908698 1989-04-18
GB8926660 1989-11-24
GB8926660A GB2233683B (en) 1989-04-18 1989-11-24 Roof structure

Publications (2)

Publication Number Publication Date
EP0395290A1 true EP0395290A1 (de) 1990-10-31
EP0395290B1 EP0395290B1 (de) 1996-07-17

Family

ID=26295236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90304149A Expired - Lifetime EP0395290B1 (de) 1989-04-18 1990-04-18 Dachbauweise

Country Status (5)

Country Link
EP (1) EP0395290B1 (de)
AT (1) ATE140506T1 (de)
DE (1) DE69027810T2 (de)
DK (1) DK0395290T3 (de)
ES (1) ES2088967T3 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0530578A1 (de) * 1991-08-27 1993-03-10 Gerhard Bodry Gebäudeabdeckung
GB2318593A (en) * 1996-10-24 1998-04-29 David Frederick Martin Roof batten spacer
US7290373B2 (en) * 2001-05-11 2007-11-06 Boral Lifetile Inc. Eave riser extension for roof transitions
ES2317718A1 (es) * 2005-09-29 2009-04-16 Verea, S.L. Procedimiento para la colocacion de cubiertas autoventiladas en seco.
US7927694B2 (en) * 2000-12-28 2011-04-19 Fernando Gordun Burillo Waterproofing sheet
GB2540823A (en) * 2015-08-25 2017-02-01 Wetheralds Construction Ltd Roofing assembly
US20170130458A1 (en) * 2014-06-26 2017-05-11 Onduline Method of designing a corrugated sheet and corregated sheet obtained
CN107023126A (zh) * 2017-06-02 2017-08-08 高志斌 一种轻型钢结构防水屋面抗风揭加固结构

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH219877A (de) * 1941-06-20 1942-03-15 J & W Knabenhans Geb Geneigtes Dach.
CH241845A (de) * 1944-10-13 1946-04-15 Wuethrich Walter Flachbedachung.
CH340332A (de) * 1958-04-29 1959-08-15 Kummer Walter Dach
FR1223464A (fr) * 1959-01-26 1960-06-17 Cimt Comp Ind Mat Transport Panneau, notamment destiné à l'exécution de couvertures
DE1784371A1 (de) * 1968-08-01 1971-08-05 Richard Kellerhoff Unterdach fuer Dachziegel aller Art mit wellenfoermig ausgebildeten Dichtungsbahnen oder Tafeln
FR2098475A5 (de) * 1969-09-10 1972-03-10 Ver Deutsche Metallwerke Ag
FR2500039A1 (fr) * 1981-02-17 1982-08-20 Pioch Lucien Bac metallique autoportant support de tuiles
FR2532349A1 (fr) * 1982-08-26 1984-03-02 Eternit Financiere Procede de pose de plaques support de tuiles canal
DE8632630U1 (de) * 1986-12-05 1987-07-23 Bieber, Heinz, 6339 Bischoffen Befestigungselement
US4690839A (en) * 1984-01-26 1987-09-01 Mitsuboshi Sangyo Co. Ltd. Method for manufacturing thick asphalt sheet
FR2637633A1 (fr) * 1988-10-12 1990-04-13 Omnium Francais Indl Cal Toit en tuiles plates, son procede de realisation, et element de support et repartition de charge pour un tel toit

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH219877A (de) * 1941-06-20 1942-03-15 J & W Knabenhans Geb Geneigtes Dach.
CH241845A (de) * 1944-10-13 1946-04-15 Wuethrich Walter Flachbedachung.
CH340332A (de) * 1958-04-29 1959-08-15 Kummer Walter Dach
FR1223464A (fr) * 1959-01-26 1960-06-17 Cimt Comp Ind Mat Transport Panneau, notamment destiné à l'exécution de couvertures
DE1784371A1 (de) * 1968-08-01 1971-08-05 Richard Kellerhoff Unterdach fuer Dachziegel aller Art mit wellenfoermig ausgebildeten Dichtungsbahnen oder Tafeln
FR2098475A5 (de) * 1969-09-10 1972-03-10 Ver Deutsche Metallwerke Ag
FR2500039A1 (fr) * 1981-02-17 1982-08-20 Pioch Lucien Bac metallique autoportant support de tuiles
FR2532349A1 (fr) * 1982-08-26 1984-03-02 Eternit Financiere Procede de pose de plaques support de tuiles canal
US4690839A (en) * 1984-01-26 1987-09-01 Mitsuboshi Sangyo Co. Ltd. Method for manufacturing thick asphalt sheet
DE8632630U1 (de) * 1986-12-05 1987-07-23 Bieber, Heinz, 6339 Bischoffen Befestigungselement
FR2637633A1 (fr) * 1988-10-12 1990-04-13 Omnium Francais Indl Cal Toit en tuiles plates, son procede de realisation, et element de support et repartition de charge pour un tel toit

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CAHIER DU CSTB, no. 1298, January/February 1975, pages 1-10, Centre Scientifique et Technique du Batiment, Paris, FR, Avis no. 5/73-39; "Avis sur les éléments supports de tuiles CANALIT PL et GL" *
DBZ DEUTSCHE BAUZEITSCHRIFT, no. 6, June 1989, pages 799-800, Gutersloh, DE; H.-J. KROKIEWICS: "Das Unterdach-System" *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0530578A1 (de) * 1991-08-27 1993-03-10 Gerhard Bodry Gebäudeabdeckung
ES2037598A1 (es) * 1991-08-27 1993-06-16 Bodry Gerhard "cubierta de edificio y procedimiento para su fabricacion"
GB2318593A (en) * 1996-10-24 1998-04-29 David Frederick Martin Roof batten spacer
US7927694B2 (en) * 2000-12-28 2011-04-19 Fernando Gordun Burillo Waterproofing sheet
US7290373B2 (en) * 2001-05-11 2007-11-06 Boral Lifetile Inc. Eave riser extension for roof transitions
ES2317718A1 (es) * 2005-09-29 2009-04-16 Verea, S.L. Procedimiento para la colocacion de cubiertas autoventiladas en seco.
US20170130458A1 (en) * 2014-06-26 2017-05-11 Onduline Method of designing a corrugated sheet and corregated sheet obtained
US10167636B2 (en) * 2014-06-26 2019-01-01 Onduline Method of designing a corrugated sheet and corregated sheet obtained
GB2540823A (en) * 2015-08-25 2017-02-01 Wetheralds Construction Ltd Roofing assembly
GB2540823B (en) * 2015-08-25 2017-09-06 Wetheralds Construction Ltd Roofing assembly
CN107023126A (zh) * 2017-06-02 2017-08-08 高志斌 一种轻型钢结构防水屋面抗风揭加固结构

Also Published As

Publication number Publication date
ES2088967T3 (es) 1996-10-01
DK0395290T3 (da) 1996-08-26
EP0395290B1 (de) 1996-07-17
DE69027810D1 (de) 1996-08-22
DE69027810T2 (de) 1996-12-05
ATE140506T1 (de) 1996-08-15

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