EP2949829B1 - Vorrichtung zur verhinderung des wassereintritts in einem dach - Google Patents

Vorrichtung zur verhinderung des wassereintritts in einem dach Download PDF

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Publication number
EP2949829B1
EP2949829B1 EP15165351.6A EP15165351A EP2949829B1 EP 2949829 B1 EP2949829 B1 EP 2949829B1 EP 15165351 A EP15165351 A EP 15165351A EP 2949829 B1 EP2949829 B1 EP 2949829B1
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EP
European Patent Office
Prior art keywords
ridges
roof
slates
plate
ridge
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Active
Application number
EP15165351.6A
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English (en)
French (fr)
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EP2949829A1 (de
Inventor
Stephen Makin
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.)
Greenhills Industrial Holdings Ltd
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Greenhills Industrial Holdings Ltd
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Publication of EP2949829A1 publication Critical patent/EP2949829A1/de
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    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • 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
    • E04D1/12—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface
    • E04D1/14—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface of slate material, with or without fastening means
    • 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
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements
    • 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
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements
    • E04D1/365—Sealing strips between lateral sides of roof-covering 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
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0477—Underroof drainage layers
    • 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
    • E04D3/02—Roof covering by making use of flat or curved slabs or stiff sheets of plane slabs, slates, or sheets, or in which the cross-section is unimportant
    • 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
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D2013/049—Drainage on the roof surface of condensation water or infiltrated rainwater

Definitions

  • Roofing slates are a traditional and longstanding method of forming a durable and aesthetically pleasing roof covering. Slates are made from quarried stone that is split into thin rectangular plates that conform to several varied, yet traditional requirements of size and shape, for example an extremely popular size would have an area of 500x250mm and would be split to a thickness between 5 and 7mm. there are many other variation sizes but they all share the same principle and are installed in the same manner.
  • Natural slates are mounted upon timber strips known as roofing 'battens' (B) that are thus mechanically fixed laterally (usually nailed) in an opposite direction on to the timber 'rafters'(R). These rafters are used to form the roof structure.
  • a membrane known as a tile 'underlay' (P) is laid on top of the rafters and underneath the battens to form a secondary weather barrier. The whole structure can thus be an arrangement that forms the 'roof' of a building.
  • the installer In order to install the slates on the roof frames (R) the installer should first apply a secondary waterproofing membrane layer known as an underlay (P) that is laid over the rafters. On top of this underlay they should then apply strips of wood known as roofing 'battens' (B) that are fixed in a horizontal position laterally on top of the underlay and across the roofing frames or rafters (R). These battens are spaced parallel and approximately 2/5ths the length of the slate (S) and cover the whole of the roof.
  • P secondary waterproofing membrane layer
  • B strips of wood that are fixed in a horizontal position laterally on top of the underlay and across the roofing frames or rafters (R).
  • the slates are placed lengthways on the battens ( fig 1 ) adjacent to each other and form the first course or 'row' of slates (Z1).
  • the abutment joint of these slates is known as the 'perp' (A) that being a perpendicular or vertical join that remains visible upon the roof. This perp join can be closed or open with the gap ranging from 0-5mm in width.
  • Perp joins (A) are not sealed or waterproof and will allow rainwater to pass through them and land on the slate below.
  • the length of the slate means that approximately 3/5ths of this second row of slates covers the slates on the first row that is positioned below, the covered 3/5 th section of slate Z1 is called the holing margin (H) and this arrangement is known as the 'primary lap' (PL).
  • the slates on the second row (P2) are positioned so that the perp join (A2) is placed over the centre point of the slate on the first row that is below (Z1).
  • the centre of the slate above is covering the upper part of the perp join below (A1) in an arrangement known as 'broken bond'.
  • the central positioning of this perp join establishes the bond (K) of the slate below, that usually being half the width of a slate.
  • the third row (Z3) is installed similarly in a broken bond with slates Z2 in the second row directly below them.
  • the slates on the third row (Z3) are positioned directly above and in line with the slates on the first row (Z1).
  • the third row will also overlap the first row by some 1/5th and this is known as the 'secondary lap' (D),
  • the complete arrangement of slates is known as 'double lap' roofing.
  • the slate margin (M) The arrangement of these slates continues up the roof until the roof is fully covered in the slates.
  • Slates are laid in a double lap format (D) using slates of many differing sizes and gauges.
  • the slate width (W) decides the bond (K) of the slate.
  • the bond used in conjunction with an appropriate lap will determine the weather resistance of a roof at a given roof pitch (angle H).
  • angle H When rain falls onto the roof gravity will force it down (G) the slope (F) running over the slates.
  • This water first starts to penetrate the layers of the slates when it leaves the slate above and enters the perp join (A) at the critical junction (C). The water flows through the perp join, landing on the holing margin of the slate below.
  • the application provides a damp proofing plate for use in between sloping slates in a slated roof according to claim 1.
  • the plate When placed between slates in a slated roof, the plate helps inhibit water ingress into the roof. Because the plate is roll-formed, it is also easy to manufacture.
  • the cross-section of this plate comprises a dividing ridge between the inner ridges, the dividing ridge is not as tall as the remaining ridges.
  • At least one of the ridges of this plate may be shaped as a V-shaped notch, which makes the roll-formed plate easier to manufacture.
  • the outer ridges of the plate may be taller than the inner ridges.
  • the cross-section may comprise at least two intermediary ridges between the first outer and inner ridges, and at least two intermediary ridges between the second outer and inner ridges.
  • a slated roof comprising a damp proofing plate and defined in claim 5.
  • the plate separates the slates of the roof so that they are more than 0.5mm apart, which thus inhibits the capillary action between the slates as discussed previously. Water ingress in the roof is thus inhibited.
  • the length of the plate in a direction perpendicular to the slope of the slates may be less than 100mm.
  • perp join (A) is the place where water first enters the roofing layers.
  • the device works by sealing the perp join on the slate and thus preventing the water from entering the layers of the slates. If water does not land on the holing margin then it cannot creep to the nail holes or the point of ingress.
  • the device has additionally the effect of extending the head lap D to D1 ( fig 4 ) from the tail (T) of the upper slate Z3 to the head of the slate below Z2 because the point of ingress (I) at the head of Z1 is now protected using the device; for example, a roof using 500x250mm slates with a 100mm lap, will now have a sealed perp join and an effective head lap of 300mm.
  • the device should be sufficiently rigid to maintain its shape and fixed position and can be made from a nonferrous metal such as Aluminium. In an embodiment not part of the claimed invention, it could be made from a rigid or semi-rigid PVC.
  • the primary function of a roof is to keep the home dry.
  • the device When the device is installed it only really comes into its own during storm conditions. Water is drawn between the layers of the slates via capillary action, the device raises the slates sufficiently (Q) to eliminate this capillary action that occurs at the tails of the slate through the lap D and yet it does not raise it so much that still maintains the aesthetic appearance of a traditional slate roof.
  • the device is also used to seal the perp join A and because it is in direct contact with the slate it is itself also subject to capillary action. Water that passes through the perp join A will land on the centre section of the device AD, wind will drive this water up the device WR until the weight of the water is greater than the wind that is forcing it upwards.
  • the device incorporates 8 longitudinal ridges (R1,2) that are in contact with the underside of the slate above, that being 4 either side of the perp join A that is positioned in the centre of the device.
  • the ridges nearest to the perp join are the primary contact points (R1) and the fold at the edge of the device is the secondary seal (R2).
  • These four contact points or ridges on either side thus form 3 channels, the central channel AD and the drainage systems channels X at either side (SD).
  • the water that breaches the primary ridges R1 then enters the drainage channel (X).
  • the drainage channels in the area SD are also subject to further pressure and capillary action.
  • each of the outer ridges R2 is deformable such that when any slate is placed on top of it, the outer ridge deforms until it has same height as its corresponding inner ridges, such that the slate is supported on both the outer ridge and it corresponding inner ridges.
  • the benefit of having these deformable outer ridges is that they ensure a good seal between the slates and the plate.
  • the outer ridges could be the same height as the inner ridges, in which case the outer ridges would not need to be deformable.

Landscapes

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

Claims (6)

  1. Feuchtigkeits-Abdichtungsplatte zur Verwendung zwischen geneigten Schiefern in einem Schieferdach, wobei die Platte einen Querschnitt aufweist, der Folgendes umfasst:
    eine erste und zweite äußere Rippe (R2) und eine erste und zweite innere Rippe (R1);
    mindestens eine erste Zwischenrippe (R1) zwischen der ersten äußeren Rippe (R2) und der ersten inneren Rippe (R1) und mindestens eine Zwischenrippe (R1) zwischen der zweiten äußeren Rippe (R2) und der zweiten inneren Rippe (R1);
    wobei die äußeren Rippen (R2) zu den inneren Rippen (R1) hin geneigt sind;
    wobei die Höhe der äußeren Rippe (R2) gleich der oder größer als die Höhe (Q) der inneren und der Zwischenrippen (R1) ist; und
    wobei die äußere Rippe (R2) jeweils durch einen nach innen gebogenen Rand der Platte gebildet ist;
    wobei die Feuchtigkeits-Abdichtungsplatte dadurch gekennzeichnet ist, dass die Platte durch Walzen gebildet ist;
    dass die maximale Höhe (Q) der ersten und zweiten inneren Rippe (R1) und der mindestens einen ersten und zweiten Zwischenrippe (R1) von der Platte derart ist, dass bei Anbringung der Feuchtigkeits-Abdichtungsplatte zwischen Dachschiefern der zwischen den Schiefern gebildete Spalt mehr als 0,5 mm, aber weniger als 3 mm beträgt; und
    dass der Querschnitt ferner eine Trennrippe zwischen den inneren Rippen (R1) aufweist, wobei die Trennrippe nicht so groß ist wie die übrigen Rippen. (R1; R2).
  2. Platte nach Anspruch 1,
    wobei mindestens eine der Rippen (R1; R2) die Form einer V-förmigen Kerbe aufweist.
  3. Platte nach Anspruch 1 oder 2,
    wobei die äußeren Rippen (R2) größer sind als die inneren Rippen (R1).
  4. Platte nach einem der vorhergehenden Ansprüche,
    wobei der Querschnitt mindestens zwei Zwischenrippen (R1) zwischen der ersten äußeren und inneren Rippe (R2; R1) und mindestens zwei Zwischenrippen (R1) zwischen der zweiten äußeren und inneren Rippe (R2; R1) aufweist.
  5. Schieferdach mit einer Feuchtigkeits-Abdichtungsplatte nach einem der vorhergehenden Ansprüche, die unter einem ersten und zweiten geneigten Schiefer in dem Dach angebracht ist und oben auf einem dritten geneigten Schiefer in dem Dach abgestützt ist;
    wobei der erste Schiefer von dem Dach an der Oberseite der Platte durch die erste äußere Rippe (R2) und die erste innere Rippe (R1) abgestützt ist;
    wobei der zweite Schiefer von dem Dach an der Oberseite der Platte durch die zweite innere Rippe (R1) und die zweite äußere Rippe (R2) abgestützt ist;
    wobei die erste und die zweite äußere Rippe (R2) und die erste und die zweite innere Rippe (R1) in Richtung der Neigung der Schiefer angeordnet sind; und
    wobei die maximale Gesamthöhe der Platte in ihrem angebrachten Zustand mehr als 0,5 mm, aber weniger als 3 mm beträgt.
  6. Dach nach Anspruch 5,
    wobei die Länge der Platte in einer zu der Neigung der Schiefer rechtwinkligen Richtung weniger als 100 mm beträgt.
EP15165351.6A 2014-05-27 2015-04-28 Vorrichtung zur verhinderung des wassereintritts in einem dach Active EP2949829B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1409353.8A GB2526553B (en) 2014-05-27 2014-05-27 A device for inhibiting water ingress in a roof

Publications (2)

Publication Number Publication Date
EP2949829A1 EP2949829A1 (de) 2015-12-02
EP2949829B1 true EP2949829B1 (de) 2022-11-02

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GB (1) GB2526553B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700018239A1 (it) * 2017-02-17 2018-08-17 Paolo Morgantini Accessorio per tetto in pietra
CN109736418A (zh) * 2019-01-21 2019-05-10 山东职业学院 一种房屋建筑用排水模块构件
GB2614103B (en) * 2022-06-06 2024-01-03 Tiger Stripe Roofing Ltd Roofing structure with drainage elements

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080235U (ja) * 1983-11-07 1985-06-04 元旦ビューティ工業株式会社 建築物における横葺き用面構造材
JPS60129351A (ja) * 1983-12-15 1985-07-10 株式会社サンシュウ 屋根瓦
WO1994024384A1 (en) * 1993-04-22 1994-10-27 Richard Waddington Improved shingle roofing assembly
DE20101635U1 (de) * 2001-01-30 2001-04-26 MAGE Herzberg GmbH, 04916 Herzberg Spließ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1709376A (en) * 1927-06-10 1929-04-16 Walter L Shirley Shingle spacer for roofs
JPH0671658A (ja) * 1992-08-26 1994-03-15 Toyo Giken Kogyo Kk バリ取り装置
JP2577989Y2 (ja) * 1993-03-15 1998-08-06 松下電工株式会社 防水シートの設置構造
US5457924A (en) * 1994-03-15 1995-10-17 Fujii; Keizou Slate roofing material joint and slate roof structure using the joint
JPH09137565A (ja) * 1995-11-15 1997-05-27 Yane Gijutsu Kenkyusho:Kk 屋根用捨水切部材
US20060053723A1 (en) * 2004-09-14 2006-03-16 Wallace Martin Roof repair strips and method for refurbishing wooden roofs
US20060080942A1 (en) * 2004-10-15 2006-04-20 O'neill Kevin M Facing unit construction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080235U (ja) * 1983-11-07 1985-06-04 元旦ビューティ工業株式会社 建築物における横葺き用面構造材
JPS60129351A (ja) * 1983-12-15 1985-07-10 株式会社サンシュウ 屋根瓦
WO1994024384A1 (en) * 1993-04-22 1994-10-27 Richard Waddington Improved shingle roofing assembly
DE20101635U1 (de) * 2001-01-30 2001-04-26 MAGE Herzberg GmbH, 04916 Herzberg Spließ

Also Published As

Publication number Publication date
EP2949829A1 (de) 2015-12-02
GB201409353D0 (en) 2014-07-09
GB2526553B (en) 2018-05-09
GB2526553A (en) 2015-12-02

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