EP0383604B1 - Kehlprofile für Dächer - Google Patents

Kehlprofile für Dächer Download PDF

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Publication number
EP0383604B1
EP0383604B1 EP90301649A EP90301649A EP0383604B1 EP 0383604 B1 EP0383604 B1 EP 0383604B1 EP 90301649 A EP90301649 A EP 90301649A EP 90301649 A EP90301649 A EP 90301649A EP 0383604 B1 EP0383604 B1 EP 0383604B1
Authority
EP
European Patent Office
Prior art keywords
valley
roof
valley section
upstands
section
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
EP90301649A
Other languages
English (en)
French (fr)
Other versions
EP0383604A1 (de
Inventor
Christopher Anthony Cooper
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.)
Marley Tile AG
Marley Ltd
Original Assignee
Marley Tile AG
Marley UK 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 Marley Tile AG, Marley UK Ltd filed Critical Marley Tile AG
Priority to AT90301649T priority Critical patent/ATE88782T1/de
Publication of EP0383604A1 publication Critical patent/EP0383604A1/de
Application granted granted Critical
Publication of EP0383604B1 publication Critical patent/EP0383604B1/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
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • 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
    • E04D13/0445—Drainage channels
    • 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
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/178—Ventilation of roof coverings not otherwise provided for on the eaves of the roof
    • 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
    • E04D1/30—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • E04D2001/304—Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles at roof intersections, e.g. valley tiles, ridge tiles
    • 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
    • E04D13/0445—Drainage channels
    • E04D2013/045—Drainage channels on inclined roofs
    • E04D2013/0454—Drainage channels on inclined roofs at the intersection of roof surfaces, e.g. roof valleys

Definitions

  • valley sections for roofs.
  • a valley section is used where two parts of a pitched roof converge downwardly to meet at a valley.
  • the valley section is used along the line of intersection, underneath the level of the tiles, slates or other roof covering elements on the roof, so as to provide a waterproof barrier and channel water down the roof to e.g. a gutter at the eaves.
  • Traditional roof constructions have used metal sheet such as lead, or special trough tiles, for this purpose, but in recent years there has been increased use of pre-formed valley sections of extruded plastics or the like which are supplied in lengths of, say, 3m. The sections are cut to the length required and two or more lengths can be used where needed, overlapping by a suitable distance.
  • Known valley sections are of generally V or U cross-section and are nailed to longitudinal "counter battens" running along the sides of the valley.
  • valley sections One problem with known systems using valley sections is that of securing the roofing battens which support the tiles or the like and run down the roof on both sides of the valley, to the respective counter battens.
  • the roofing battens will be secured to the last roof rafter before the valley but the free ends may be capable of significant movement. To avoid this, it is know to nail the roofing battens to the counter battens. However, the nails must be driven in at an angle since the top surfaces of the two battens are generally at the same level where they meet. This is therefore an unwieldly operation.
  • valley section not only provides the conventional function, but also supports the roofing battens, so avoiding the requirement for nailing them at an angle to a counter batten or the like.
  • DE-C-466 394 discloses a valley section for use in a roof in which two portions meet at a valley, the valley section having a trough and longitudinally extending, vertically projecting upstands either side of the trough.
  • the valley section of DE-C-466 394 is arranged to be attached on top of battens extending up the roof, with roof tiles being supported by folded portions provided at each end of the valley section.
  • a pre-formed valley section for use in a roof in which two portions meet at a valley, the valley section comprising a trough, longitudinally extending, vertically projecting upstands either side of the trough, to underlie roof covering elements, and flanges extending laterally outwardly from the upstands, the flanges having portions for receiving the free ends of laterally extending battens for supporting the roof covering elements.
  • the present invention is characterised in that the flanges of the valley section include recesses laterally outward from and adjacent the upstands.
  • the recesses will be below the level of the roofing battens which rest on the flange portions.
  • This has a number of advantages. Firstly, there is a distinct channel adjacent each upstand, for carrying away any water that may penetrate into this region, and a reduced chance of such water passing laterally along the flange and into the roof space. Secondly the battens, which are typically of wood, are free of any such water and this reduces the tendency for them to rot. Thirdly, at least in some embodiments there may be improved circulation of air which is advantageous inter-alia for the drying out of moisture. A further advantage is in relation to the problem of providing an effective closure of any space between the upstand and the tiles, since gaps may occur. Such gaps could be closed using fillers, particularly apertured fillers allowing for ventilation.
  • a preferred type of filler is a flexible "comb" filler with flexible, spaced portions that will adapt to the underneath profile of the tiles and yet allow for ventilation. Such fillers can be disposed laterally outwardly of, but preferably adjacent, the upstands.
  • the provision of the recesses means that the fillers can have portions located underneath the battens and downwardly spaced from them. This enables positioning of the fillers after the battens have been secured in place, which is advantageous.
  • the upstands may or may not pass over counter battens and it is not necessary to have counter battens.
  • the battens may rest on flat portions of the flange laterally outwardly of the recesses. Such flat portions may be in the form of ramps inclined upwardly from the edges to the recesses so as to provide a gradual raising of the ends of the battens.
  • the battens may rest on one or more discrete longitudinatly extending ribs. Such a rib may define the edge of the recess. Where e.g. two laterally spaced ribs are provided, the outermost may be less high than the inner, thus also providing for a gradual raising of the ends of the battens.
  • valley sections are secured to the counter battens by e.g. nailing or the like, but then tend to be suspended across the valley. This lack of support presents problems of stability, strength and so forth. It is thus a preferred feature of the systems disclosed herein that the sections be supported on the roof rafters, which converge to the axis of the valley, across a substantial portion of their width.
  • the valley sections are preferably nailed or the like to the roof rafters, or the counter,battens, laterally outwardly (away from the valley axis) of the ends of the tiles, i.e. at a region protected from water so that piercing of the section by the nails will not present problems.
  • the section is preferably pre-formed to a certain angle of intersection and/or of certain flexibility characteristcs, that it will rest on the rafters (with or without the interposition of other material such as roofing felt), across the main, exposed part of the valley without the use of nails or the like in this region.
  • the invention also extends to a roof incorporating a valley section in accordance with the invention.
  • Fig. 1 there is shown a tiled roof system in which two portions converge downwardly to a valley 1.
  • Each portion has wooden roof rafters 2 on which are mounted laterally extending wooden tiling battens 3.
  • Resting on the tiling battens are conventional interlocking concrete roof tiles 5, which terminate short of the centre of the valley 1, and are cut to the angle of the valley, i.e. up the roof parallel to the axis of the valley.
  • valley section 6 An extruded, elongate plastics valley section 6, preformed to substantially the angle of the valley between the rafters, is provided underneath the tiles 5 and across the valley 1.
  • the valley section 6 has "U” or “V” shaped trough portion 7 extending between the side ends of the tiles 5 and mainly resting on the rafters; longitudinal upstands 8; and outer, laterally extending flange portions 9 resting on the rafters and on which rest the free ends of tiling battens 3.
  • the outer edges of the flange portions 9 are nailed to the rafters 2, as shown at 10.
  • valley sections are said to rest on the rafters this applies only to portions spaced along the length of the sections, since the rafters are spaced apart along the valley.
  • each filler 11 comprises a "comb" like arrangement of spaced plastics flexible fingers 12, which close the spaces between the tile and the valley section, but permit ventilation.
  • the flange portions 9 of the valley section are provided with longitudinally extending, laterally spaced, ridges 13 and 14 on which rest the free end portions of tiling battens 3.
  • the inner ridges 13 are taller than the outer ridges 14. This provides a gradual lifting of the ends of the battens 3.
  • the end of the roof batten is clear from the base of this recess and, furthermore, does not quite reach the wall of the upstand 8.
  • Each filler 11 has a base 16 which fits in the recess 15.
  • the arrangement is such that the valley section and roofing battens 3 can be nailed in place, before the filler 11 is inserted into the recess 15 with the base 16 under the end of battens 3, and the tiles then placed in position. This is advantageous when constructing the roof.
  • the filler 11 is located in position and additional fixing may not be needed.
  • the preformed angle of the valley section 6 is such that it can be flexed in either direction to fit conventional valley angles.
  • the valley section provides a relatively deep pre-formed channel across the middle section of the valley.
  • this cross section is curved smoothly across the central portion 17 of valley section 18. It is a generally parabolic curve, formed by blending curves of two different radii. which has the optical effect of concealing the size of the space betwwen the undersider of the tile and the valley.
  • This shape also has the advantage in that it encourages a self cleaning action and provides an effective flow of water down the valley. It is also more susceptible to easy flexing to lower roof pitches.
  • This portion 17 is obtained in practice by use of blending arcs using three centres A, B and C. Centres A and B are equally spaced either side of the centre line E of the valley section, and the associated arcs have a radius of 100 mm. Centre C is on the line E and the associated arc has a radius of 40 mm.
  • the flanges are also different.
  • the battens In place of two longitudinal ribs to support the battens, the battens will rest flat on portions 19 which are inclined gradually upwardly to the edges of recesses 20 between the ends of these portions 19, and the upstands 21 in this embodiment.
  • the installation and use of this valley section will be the same as for the previous embodiment.
  • the invention provides an effective valley arrangement without the need for mortar.
  • the valley section could be used with mortar.
  • portions such as the upstands could be roughened to enhance the adhesion of mortar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Greenhouses (AREA)
  • Rod-Shaped Construction Members (AREA)

Claims (10)

  1. Vorgefertigtes Kehlprofil zur Verwendung in einem Dach, in dem zwei Teile in einer Kehle (1) zusammenlaufen, mit einer Rinne (7) in Längsricht verlaufenden vertikal vorspringenden Stützen (8) auf den beiden Seiten der Rinne als Unterlage von Dachdeckelementen (5) und mit von den Stützen quer nach außen verlaufenden Flanschen (9) zur Aufnahme der freien Enden von quer verlaufenden Dachlatten (3) für die Lagerung der Dachdeckelemente (5), dadurch gekennzeichnet, daß die Flansche (9) des Kehlprofils quer außerhalb der Stützen (8) und benachbart zu diesen Vertiefungen (15) enthalten.
  2. Kehlprofil nach Anspruch 1, dadurch gekennzeichnet, daß die Innenwände der Stützen (8) einen Teil der Rinne (7) des Kehlprofils bilden.
  3. Kehlprofil nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß auf den Flanschen außerhalb der Stützen (8) in Längsrichtung verlaufende Firste (13, 14) zur Lagerung der freien Endteile der Dachlatten (3) vorgesehen sind.
  4. Kehlprofil nach Anspruch 3, dadurch gekennzeichnet, daß die Vertiefungen (15) zwischen den Firsten (13) und Stützen (8) vorgesehen sind.
  5. Kehlprofil nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß auf den Flanschen außerhalb der Stützen (21) geneigte Teile (19) zur Lagerung der freien Endteile der Dachlatten (3) in ebener Stellung vorgesehen sind.
  6. Kehlprofil nach Anspruch 5, dadurch gekennzeichnet, daß die Vertiefungen (20) zwischen dem Ende der geneigten Teile (19) und den Stützen (21) vorgesehen sind.
  7. Kehlprofil nach den vorhergehenden Ansprüchen, dadurch gekennzeichnet, daß die Vertiefungen (15; 20) zur Aufnahme von Teilen (16) von Füllern (11) zur Unterstützung des Verschliessens von Räumen zwischen den Dachdeckelementen (5) und dem Körper des Kehlprofils dienen.
  8. Kehlprofil nach Anspruch 7, dadurch gekennzeichnet, daß die Füller (11) nach der Befestigung der Dachlatten (3) und des Kehlprofils in ihrer Lage auf einem Dach in die Vertiefungen (15; 20) einsetzbar sind.
  9. Dach mit einer Kehle, das mit einem Kehlprofil nach den vorhergehenden Ansprüchen versehen ist.
  10. Dach nach Anspruch 9, dadurch gekennzeichnet, daß die Kehle ohne Verwendung von Mörtel hergestellt ist.
EP90301649A 1989-02-15 1990-02-15 Kehlprofile für Dächer Expired - Lifetime EP0383604B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90301649T ATE88782T1 (de) 1989-02-15 1990-02-15 Kehlprofile fuer daecher.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898903390A GB8903390D0 (en) 1989-02-15 1989-02-15 Valley sections for roofs
GB8903390 1989-02-15

Publications (2)

Publication Number Publication Date
EP0383604A1 EP0383604A1 (de) 1990-08-22
EP0383604B1 true EP0383604B1 (de) 1993-04-28

Family

ID=10651718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90301649A Expired - Lifetime EP0383604B1 (de) 1989-02-15 1990-02-15 Kehlprofile für Dächer

Country Status (4)

Country Link
EP (1) EP0383604B1 (de)
AT (1) ATE88782T1 (de)
DE (1) DE69001446T2 (de)
GB (1) GB8903390D0 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9414719D0 (en) * 1994-07-21 1994-09-07 Willan Building Services Ltd Ventilation structure
EP0727541A1 (de) * 1995-01-27 1996-08-21 Manfred Dr. Gehring Abdeckung für einen Kehlbereich eines Daches
AU666639B3 (en) * 1995-06-29 1996-02-15 Ezi-Building Systems International Pty Ltd. An improved roof valley system
AU696930B2 (en) * 1995-06-29 1998-09-24 Ezi-Building Systems International Pty Ltd. Improved roof valley system
GB2334980B (en) * 1995-11-23 2000-04-26 Hambleside Danelaw Ltd Roof valley strips
DE19700585A1 (de) * 1997-01-10 1998-07-23 Kloeber Johannes In eine Kehlenform biegbarer Streifen
DK201100143A (da) * 2010-11-09 2012-05-10 Thomsen Thomas Toftemann Fremgangsmåde, beslag samt fuglegitter og anvendelse
NO20111461A1 (no) * 2011-10-28 2013-03-04 Lonevag Beslagfabrikk As Gradrennelist

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE466394C (de) * 1928-10-10 Ludwig Mogg Blechhohlkehle
FR512350A (fr) * 1920-03-25 1921-01-20 Alexandre Lamblin Recouvrements métalliques perfectionnés pour toitures, murs ou autres ouvrages de construction
DE2517458A1 (de) * 1975-04-19 1976-10-21 Braas & Co Gmbh Traufseitiger verschluss
AU577132B2 (en) * 1984-08-27 1988-09-15 John Lysaght (Australia) Limited Ridge roof valley gutter
DE3541111A1 (de) * 1985-11-21 1987-05-27 Kabel Metallwerke Ghh Kehle in einem mit metallischen dachpfannen eingedeckten dach
GB8719137D0 (en) * 1987-08-13 1987-09-23 Proform Uk Ltd Roofing valleys

Also Published As

Publication number Publication date
ATE88782T1 (de) 1993-05-15
DE69001446T2 (de) 1993-08-05
EP0383604A1 (de) 1990-08-22
DE69001446D1 (de) 1993-06-03
GB8903390D0 (en) 1989-04-05

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