GB2425546A - Roof ridge tile - Google Patents

Roof ridge tile Download PDF

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Publication number
GB2425546A
GB2425546A GB0508650A GB0508650A GB2425546A GB 2425546 A GB2425546 A GB 2425546A GB 0508650 A GB0508650 A GB 0508650A GB 0508650 A GB0508650 A GB 0508650A GB 2425546 A GB2425546 A GB 2425546A
Authority
GB
United Kingdom
Prior art keywords
roof
tiles
tile
ridge
channel
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Withdrawn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
GB0508650A
Other versions
GB0508650D0 (en
Inventor
Martin Schriever
Gary George
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.)
Lafarge Roofing Technical Centers Ltd
Original Assignee
Lafarge Roofing Technical Centers 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 Lafarge Roofing Technical Centers Ltd filed Critical Lafarge Roofing Technical Centers Ltd
Priority to GB0508650A priority Critical patent/GB2425546A/en
Publication of GB0508650D0 publication Critical patent/GB0508650D0/en
Priority to EP06726926A priority patent/EP1875009B1/en
Priority to DE602006011598T priority patent/DE602006011598D1/en
Priority to PCT/GB2006/001544 priority patent/WO2006114634A1/en
Priority to AT06726926T priority patent/ATE454510T1/en
Priority to US11/912,601 priority patent/US20080302025A1/en
Priority to PL06726926T priority patent/PL1875009T3/en
Publication of GB2425546A publication Critical patent/GB2425546A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/30Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404Drainage on the roof surface
    • E04D13/0445Drainage channels
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D1/00Roof covering by making use of tiles, slates, shingles, or other small roofing elements
    • E04D1/30Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles
    • E04D2001/304Special roof-covering elements, e.g. ridge tiles, gutter tiles, gable tiles, ventilation tiles at roof intersections, e.g. valley tiles, ridge tiles
    • E04D2001/305Ridge or hip tiles
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404Drainage on the roof surface
    • E04D13/0445Drainage channels
    • E04D2013/045Drainage channels on inclined roofs

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Glass Compositions (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)

Abstract

An integrated set of roof tiles comprises a main roof tile (12) of rectangular shape in plan, which is provided with interlocking side-lock portions (58,60) at opposite side edges thereof. The roof tile (12) also has a flat, bottomed channel (62) with sloping side walls (68,70), the channel (62) extending from a toe to head end of the main roof tile (12). The channel (62) has a widening towards the middle of its length. The set of roof tiles also comprises a ridge tile (2), which is substantially of half round configuration and is provided with a channel (24) having sloping side walls (30,32), the channel (24) extending over the ridge tile to continue the configuration of the main roof tiles (12). The ridge tiles (2) are also provided with protuberances (42) at lower edges that engage in use with upper faces of the topmost roof tiles (12) on either side of an apex (4) of a roof (6), which protuberances (42) define a ventilation opening (41) between the ridge tiles (2) and the topmost roof tiles (12). Pervious sealing members, provided by grills, strips of foam or a combination thereof are attached to the ridge tiles (2) to bridge the ventilation openings (41) and facilitate the fast assembly of the ridge of a roof. The set of tiles, which also includes ridge end caps (8) and verge tiles (14), are moulded from concrete and have a density of between 2.11 to 2.16 g/cm3 and a durability of over 400DIN freeze/thaw cycles.

Description

ROOF TILES
This invention is concerned with improvements in concrete roof tiles and is particularly concerned with sets of concrete roof tiles including a novel roof ridge tile intended to complement the shape and configuration of main roof tiles of a set thereof.
Concrete roof tiles have been traditionally made for almost one hundred years by an evolving roller and slipper extrusion process as disclosed, for example, in GB 1357627, so that upper surfaces of the roof tiles are linear along their lengths form toe portions to head portions thereof.
It will be readily understood therefore, that roof tiles formed by the conventional extrusion process cannot be provided with upper surfaces having configurations other than those that may be formed by said extrusion processes.
Nevertheless, extruded roof tiles are applied to the pitched roof of a building, whether a domestic or commercial building, the tiles being configured so that they match the remainder of the roof tiles, viz, the verge tiles, on a completed roof.
Ridge tiles, on the other hand, which may be made by an extrusion or moulding process, have generally been of a half-round, delta or of tapered half-round configuration and are usually of simple design for the purpose of sealing the ridge of a roof.
In the past, where a roof is to be ventilated at the ridge thereof, provision has been made for this purpose by providing ventilation elements that are affixed to a ridge batten of a roof structure with ridge tiles being assembled on the roof overlying the ventilation elements. The inclusion of the ventilation elements has often called for the addition of intermediate tiles and/or other closing elements between the ridge tiles and the uppermost ones of the main roof tiles on the roof.
Thus, the extra components required for assembling the completed roof ridge structure, together with the attendant labour, adds to the overall cost of the roof.
Therefore, it is one of the objects of the present invention to provide an improved roof ridge tile that overcomes, or at least mitigates the disadvantages of the prior arrangements, which roof ridge tile is provided as a prefabricated unit incorporating ventilation means.
It is another object of the present invention to provide a set of tiles that overcomes, or at least mitigates the disadvantages of the prior arrangements.
It is a further object of the present invention to provide a roof ridge tile of novel configuration that is complementary to the shape and configuration of the main roof tiles and thereby comprising an integrated set of roof tiles Thus, the present invention conveniently provides a roof ridge tile, which is generally half round in shape and is provided with a flat bottomed central channel portion, adapted in use, to complement the shape and configuration of a flat bottomed channel provided in an adjacent roof tile on a roof, said adjacent roof tile comprising an upper surface that includes a flat bottomed channel extending lengthwise thereof, the central channel portion of said roof ridge tile, when in use on a roof, being juxtaposed and upwardly extending from the channel of the adjacent roof tile.
In a preferred embodiment of the invention, lower edge portions of the roof ridge tile are provided with protuberances adapted, in use, to rest on an upper surface of an adjacent roof tile to define a ventilation opening between the roof ridge tile and the adjacent roof tile.
Preferably, the ventilation opening is bridged by a pervious sealing member, which may conveniently be provided by a grill, a strip of foam material or a combination of a grill and a strip of foam.
In one convenient embodiment provided by the invention, the pervious sealing member may be co-joined with the ridge tile to form a prefabricated unit.
Conveniently the channel of the ridge tile is bounded by sloping side walls, which also complement in use on a roof, sloping side walls of the channel formed in the upper surface of the adjacent roof tile.
Preferably, the roof ridge tile comprises means for interlocking with adjacent roof ridge tiles along a ridge of a roof when in use, said interlocking means comprising a downwardly facing lock portion at one end of the roof ridge tile and an upwardly facing lock portion at an opposite end thereof.
Conveniently, the roof ridge tile has a length that is equal, or substantially equal to the width of the adjacent roof tile.
The present invention also provides a set of tiles for use on a roof, the set comprising roof ridge tiles according to the last seven preceding paragraphs and roof tiles provided with channels extending lengthwise at mid portions thereof, the roof ridge tiles and the roof tiles being adapted, in use, to mutually complement their respective shapes and configurations where lower edge portions of the roof ridge tiles lie adjacent an associated, uppermost roof tile on a roof.
In use on a roof, the set facilitates their application to pitched roofs having pitches down to seven degrees.
Preferably, the roof tiles of the sets of tiles each have a density of from 2.11 to 2.16 g/cm3 and a durability of more than 400DIN freeze/thaw cycles.
There now follows, by way of example, a detailed description of the invention which description is to be read with reference to the accompanying drawings in which: Figure 1 is an upper perspective view of a roof ridge enclosed in a set of tiles provided by the invention; Figure 2 is a diagrammatic section view through an upper part of a roof as seen in the direction of the arrow II in Figure 1; Figure 3 is front side view of a ridge tile of the invention; Figure 4 is a right hand upper perspective view of the tile shown in Figure 3; Figure 5 is a front side view of a ridge end cap of the invention; and, Figure 6 is a right hand upper perspective view of a main roof tile of the invention.
The novel set of roof tiles of the present invention generally comprises a ridge tile 2 positioned in use at the apex 4 of a pitched roof 6, a ridge tile end cap 8 located at each end 10 of the apex 4 of the roof 6, only one such ridge end cap 8 being shown in Figure 1, a main roof tile 12 and right and left hand verge tiles 14, only the left hand verge tile 14 being shown in Figure 1.
The ridge tile 2, which is substantially of half-round configuration, see Figures 2 and 4, comprises a downwardly facing interlock 16 at a right and end 18 thereof and an upwardly facing interlock 20 at a left hand end 22 thereof, see Figure 4.
The ridge tile 2 also comprises a channel 24, which extends over the ridge tile 2 at a mid-portion 26 thereof, see Figures 1, 2, and 3, the channel 24 having a multi-facefted base portion 28, see Figures 3 and 4.
The multi-facefted base portion 28 is bounded by multi-facefted sloping walls 30 and 32, see Figure 3 and 4, the shape and configuration of base portion 28 and sloping walls 30 and 32 being complemented by corresponding exterior facets 34 and 36 of the roof ridge tile 2, see Figures 1, 3 and 4.
From Figure 3, it will be readily appreciated that each lower edge portion 38a and 38b of the roof ridge tile 2 is configured to be complementary to the shape and configuration of respective main roof tiles 12 against which it is positioned, see Figures 1 and 2.
The ridge tile 2 is provided with protuberances 42 along it=s lower edge portions 38a and 38b, see Figure 3, the protuberans 42 being arranged to abut against upwardly facing surfaces of the main roof tiles 12 when in use on a roof to define a ventilation gap 41 therebetween, see Figures 1 and 2.
At its left hand end 22, the ridge tile 2 is provided with a raised nail hole 44 for facilitating the attachment of the ridge tile 2 to a ridge batten 46 provided at the apex 4 of a roof.
The ridge tile end cap 8 is generally of the same configuration as a ridge tile 2; however, while it is provided with an upwardly facing interlock 48 at a right hand end 50 thereof for engagement in use with a next in line roof ridge tile 2, see Figure 1, at its left hand end 52 the end cap 8 is closed by an end wall 54, see Figure 5.
The main roof tile 12 is generally rectangular in plan and comprises a downwardly facing sidelock 56 at a right hand side 58 thereof and an upwardly facing sidelock 60 at a left hand side 61 thereof, see Figure 6.
The tile 12 also comprises an upwardly facing channel 62 at a mid portion 64 thereof, the channel 62, which extends lengthwise of from top to bottom of the tile 12, has a wider mid portion 66, see Figures 1 and 6.
The channel 62 of the roof tile 12 is bounded on opposite sides thereof by sloping walls 68 and 70 giving the roof tile 12 a distinctive upper face configuration, see Figures 1 and 6.
The verge tile 14 is generally of the same shape and configuration as the roof tile 12 except that it is provided with a downwardly extending wall 71 at a left hand end thereof to close the verge side 72 of the roof, see Figure 1.
From Figure 1, it will be readily be appreciated that when the roof tiles 12, verge tiles 14, the ridge tiles 2 and the ridge end cap 8 are assembled on a roof, all of the tiles complement each other with the channels 62 of the roof tiles 12 and verge tiles 14 being extended over the roof by the complementary channels 24 of the ridge tiles 2 and the end cap 8 respectively.
The ridge ties 2 are fastened in position by fastening elements, not shown, passing through the raised nail holes 44 into the ridge batten 46.
When completed, the roof ridge is well ventilated by provision of the ventilation gaps 41 that are defined between the ridge tile lower edge portions 38a and 38b and the upper surfaces of the main roof tiles 12 against which the protuberances 42 make contact on either side of the roof ridge apex 4.
The ventilation gaps 41 are bridged by a sealing member provided by foam elements 43 or the like, which foam elements allow adequate ventilation of a roof while preventing the ingress of small birds and large insects to the inside of the roof structure.
The roof ridge tiles 2 are supplied with their sealing members, viz, the foam elements 43 attached thereto. Thus, when a roofer covers a roof ridge using the set of tiles provided by the present invention, the use of the prefabricated roof ridge tiles 2 and foam element 43 facilitate the fast and efficient covering of the roof ridge 4.
In alternative embodiments provided by the present invention, the pervious sealing members may be provided by grills or combinations of grills and foam elements Co-joined with roof ridge tiles.
It will be appreciated that the simplified construction of a roof, incorporating the set of tiles provided by the invention, reduces the numbers of the components used when compared with roofs having multicomponent ventilation means at the roof ridge. This leads to an appreciable reduction in product and labour costs for the end user.
The roof tiles of the set of tiles provided by the invention are made by a method of moulding concrete roof tiles as disclosed in a United Kingdom patent application filed concomitantly herewith and entitled Method and Plant for the Manufacture of Building Products', details of which are imported herein by reference.
The roof tiles are cast from a cementitious composition, details of which are disclosed in the United Kingdom patent application filed concomitantly herewith and entitled Cement Compositions', details of which are imported herein by reference.
The roof tiles of the invention made by said method using said cemetitious composition have a density of 2.11 to 2.16 g/cm3 and a durability of more than 400DIN freeze/thaw cycles.

Claims (14)

1. A roof ridge tile, which is generally half round in shape and is provided with a flat bottomed central channel portion, adapted in use, to complement the shape and configuration of a flat bottomed channel provided in an adjacent roof tile on a roof, said adjacent roof tile comprising an upper surface that includes a flat bottomed channel extending lengthwise thereof, the central channel portion of said roof ridge tile, when in use on a roof, being juxtaposed and upwardly extending from said channel of the adjacent roof tile.
2. A roof ridge tile according to Claim 1, characterised in that lower edge portions of the roof ridge tile are provided with protuberances adapted, in use, to rest on an upper surface of an adjacent roof tile and to define a ventilation opening between the roof ridge tile and the adjacent roof tile.
3. A roof ridge tile according to either one of Claims I or 2, characte,ised in that the ventilation opening is bridged by a pervious sealing member.
4. A roof ridge tile according to Claim 3, characterised in that the pervious sealing member is provided by a grill, a strip of foam material or a combination of a grill and foam strip.
5. A roof ridge tile according to either one of Claims 3 and 4, characterised in that the pervious sealing member is co-joined with the roof ridge tile to form a prefabricated unit.
6. A roof ridge tile according to any one of the preceding Claims, characterised in that the channel of the ridge tile is bounded by sloping side walls, which also complement, in use on a roof, sloping side walls of the channel formed in the upper surface of the adjacent roof tile.
7. A roof ridge tile according to any one of the preceding Claims, characterised in that the roof ridge tile comprises means for interlocking with adjacent roof ridge tiles along a ridge of a roof when in use, said interlocking means comprising a downwardly facing lock portion at one end of the roof ridge tile and an upwardly facing lock portion at an opposite end thereof.
8. A roof ridge tile according to any one of the preceding Claims, characterised in that the roof ridge tile has a length that is equal, or substantially equal to the width of the adjacent roof tile.
9. A roof ridge tile substantially as hereinbefore described with reference to the accompanying drawings
10. A set of tiles for use on a roof, the set comprising roof ridge tiles according to Claims I to 9 and roof tiles provided with channels extending lengthwise at mid portions thereof, the roof ridge tiles and the roof tiles being adapted, in use, to mutually complement their respective shapes and configurations where lower edge portions of the roof ridge tiles lie adjacent an associated, uppermost roof tile on a roof.
11. A set of tiles according to Claim 10, characterised in that the set facilitates their application to roofs having pitches down to seven degrees.
12. A set of roof tiles substantially as hereinbefore described with reference to the accompanying drawings.
13. A set of roof tiles according to any one of Claims 10 to 12, characterised in that the roof tiles of the set each have a density of from 2.11 to 2.16 g/cm3.
14. A set of tiles according to any one of Claims 10 to 13, characterjsed in that the roof tiles of the set each have a durability of more than 400DIN freeze/thaw cycles.
GB0508650A 2005-04-28 2005-04-28 Roof ridge tile Withdrawn GB2425546A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB0508650A GB2425546A (en) 2005-04-28 2005-04-28 Roof ridge tile
EP06726926A EP1875009B1 (en) 2005-04-28 2006-04-26 Roof tiles
DE602006011598T DE602006011598D1 (en) 2005-04-28 2006-04-26 TILE
PCT/GB2006/001544 WO2006114634A1 (en) 2005-04-28 2006-04-26 Roof tiles
AT06726926T ATE454510T1 (en) 2005-04-28 2006-04-26 ROOF TILES
US11/912,601 US20080302025A1 (en) 2005-04-28 2006-04-26 Roof Tiles
PL06726926T PL1875009T3 (en) 2005-04-28 2006-04-26 Roof tiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0508650A GB2425546A (en) 2005-04-28 2005-04-28 Roof ridge tile

Publications (2)

Publication Number Publication Date
GB0508650D0 GB0508650D0 (en) 2005-06-08
GB2425546A true GB2425546A (en) 2006-11-01

Family

ID=34674008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0508650A Withdrawn GB2425546A (en) 2005-04-28 2005-04-28 Roof ridge tile

Country Status (7)

Country Link
US (1) US20080302025A1 (en)
EP (1) EP1875009B1 (en)
AT (1) ATE454510T1 (en)
DE (1) DE602006011598D1 (en)
GB (1) GB2425546A (en)
PL (1) PL1875009T3 (en)
WO (1) WO2006114634A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10508448B2 (en) 2017-09-11 2019-12-17 Lala Khajani Tile and method of production
USD936248S1 (en) * 2020-02-02 2021-11-16 Budmat Bogdan Wiecek Half-round ridge end cap
CN111456339B (en) * 2020-04-09 2021-05-28 苟平 Bearing guiding device
US11933049B1 (en) 2020-05-07 2024-03-19 Jason McSpadden Woodland Roofing system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951081A (en) * 1947-01-17 1949-10-14 Aneiens Etablissements Lartigu Ridge tile
US4501097A (en) * 1980-10-21 1985-02-26 Johannes Rosenkilde Ridge element for corrugated roofs
EP0224603A1 (en) * 1985-11-30 1987-06-10 Peter Halm Cap-shaped ridge covering
SE460862B (en) * 1986-05-16 1989-11-27 Olof Lorentz Ottosson Ridge structure for mansard roof of corrugated sheets

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB140869A (en) * 1919-01-24 1920-04-08 Anthony Robert Fletcher Trew Improvements in or relating to tiles for roofing and like purposes
CH185863A (en) * 1935-07-23 1936-08-31 Keller & Co Ag Element for covering roof ridges.
GB2047319B (en) * 1978-02-24 1982-08-25 Maclean J D W Roofing panels
US4280399A (en) * 1980-05-29 1981-07-28 Bird & Son, Inc. Roof ridge ventilator
IE940956L (en) * 1986-02-13 1987-08-13 Scott Toomebridge Ltd Ridge system
US4907499A (en) * 1989-04-12 1990-03-13 Gatacre James A F Roof ridge ventilators and methods for installing such ventilators
DE29605344U1 (en) * 1996-03-22 1996-05-30 Friedrich Ossenberg-Schule & Söhne GmbH & Co. KG, 58762 Altena Device for fastening ridge covers to the ridge of a roof covering
US5711126A (en) * 1996-05-13 1998-01-27 Owens-Corning Fiberglass Technology, Inc. Resinous angled shingles for roof ridge lines
US6000176A (en) * 1997-07-25 1999-12-14 Ultraframe (Uk) Limited Roof ridge assemblies
IT1300614B1 (en) * 1998-02-10 2000-05-23 Iole Baldini COVERING FOR BUILDINGS, WITH COMPONENTS PRINTED IN SYNTHETIC RESINS
EP0989443A3 (en) * 1998-09-22 2004-03-31 Fuji Photo Film Co., Ltd. Anti-reflection film and process for the preparation of the same
US6598353B1 (en) * 1999-05-03 2003-07-29 So-Lite Corporation Multi-pitch improved ridge-seal for tiled roofs
EP1228282A1 (en) * 1999-11-12 2002-08-07 Lafarge Roof System Components GmbH & Co. KG Ridge cover
US6372154B1 (en) * 1999-12-30 2002-04-16 Canon Kabushiki Kaisha Luminescent ink for printing of organic luminescent devices
US7774990B1 (en) * 2006-12-21 2010-08-17 Tom Castellanos Roof hip and ridge anchor device (CIP)
US7739840B1 (en) * 2006-12-21 2010-06-22 Tom Castellanos Roof hip and ridge anchor device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951081A (en) * 1947-01-17 1949-10-14 Aneiens Etablissements Lartigu Ridge tile
US4501097A (en) * 1980-10-21 1985-02-26 Johannes Rosenkilde Ridge element for corrugated roofs
EP0224603A1 (en) * 1985-11-30 1987-06-10 Peter Halm Cap-shaped ridge covering
SE460862B (en) * 1986-05-16 1989-11-27 Olof Lorentz Ottosson Ridge structure for mansard roof of corrugated sheets

Also Published As

Publication number Publication date
ATE454510T1 (en) 2010-01-15
WO2006114634A1 (en) 2006-11-02
US20080302025A1 (en) 2008-12-11
EP1875009B1 (en) 2010-01-06
DE602006011598D1 (en) 2010-02-25
EP1875009A1 (en) 2008-01-09
PL1875009T3 (en) 2010-05-31
GB0508650D0 (en) 2005-06-08

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