EP1088948A2 - Dachelement - Google Patents

Dachelement Download PDF

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Publication number
EP1088948A2
EP1088948A2 EP00121179A EP00121179A EP1088948A2 EP 1088948 A2 EP1088948 A2 EP 1088948A2 EP 00121179 A EP00121179 A EP 00121179A EP 00121179 A EP00121179 A EP 00121179A EP 1088948 A2 EP1088948 A2 EP 1088948A2
Authority
EP
European Patent Office
Prior art keywords
covering
roof
internal
pipe stub
glue
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
EP00121179A
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English (en)
French (fr)
Other versions
EP1088948A3 (de
EP1088948B1 (de
Inventor
Per Poulsen
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8104526&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1088948(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP1088948A2 publication Critical patent/EP1088948A2/de
Publication of EP1088948A3 publication Critical patent/EP1088948A3/de
Application granted granted Critical
Publication of EP1088948B1 publication Critical patent/EP1088948B1/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
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/147—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs
    • E04D13/1473—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof
    • E04D13/1476—Junctions of roof sheathings to chimneys or other parts extending above the roof specially adapted for inclined roofs specially adapted to the cross-section of the parts extending above the roof wherein the parts extending above the roof have a generally circular cross-section
    • 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
    • E04D13/14—Junctions of roof sheathings to chimneys or other parts extending above the roof
    • E04D13/1407—Junctions of roof sheathings to chimneys or other parts extending above the roof for flat roofs
    • E04D13/1415—Junctions to walls extending above the perimeter of the roof

Definitions

  • the present invention concerns a roof covering element as described in claim 1.
  • Polymer films are known for roof covering and are e.g. rolled out on the roof in webs whereafter the webs are welded together in order to prevent moisture from creeping in under the covered roof.
  • For sealing the roof around lead-in ducts in the roof such as ventilation pipes, typically one or more pieces of film are laid around the lead-in and is welded together, whereafter the lead-in is covered by a plate or other suitable end.
  • it has be used to cover the through pipes or the cover pipes provided around the through pipes with a plastic material onto which the film may be welded. This is unsuitably complicated and requires that the fitter is working with great care in order to avoid leaks.
  • Roof covering by this known method is furthermore not so stable over time as materials of different types expand differently by temperature changes, which may lead to breakage, especially when the elasticity decreases with time or the material moulders.
  • a further example is known from German patent DE 33 21 101 where a polymer film is provided with a hole which is less than the cross-section of the lead-in, whereafter the part of the film with the hole is forced over the pipe under tension whereby a rain-proof connection is achieved.
  • the film is bonded to the lead-in.
  • the plate-like part of the film is then bonded to the roof surface, for example with an asphalt adhesive.
  • This system is not suitable for use by lead-ins which are heated and thereby expand or are subjected to vibrations or mechanical action, for example exhaust pipes from oil-burners, as the plastic expands under heating, especially when the polymer film is subjected to tension because of wind. Furthermore, it is unsuitable to use this system by high pipes or chimneys where it may be difficult to reach the top of the pipe or chimney.
  • This system is not reliable with respect to tightness and is not durable over long time by expansion and contraction of the pipe caused by temperature fluctuations, especially when used in connection with hot lead-ins and vibrating lead-ins. Furthermore, the lifetime of the clamps is limited when they are subjected to humid weather conditions, etc.
  • a commonly used roof covering for lead-ins consists of two conical pipe stubs of metal, where one pipe stub is clamped about the lead-in as external covering by its upper narrow opening and is sealed, for example by means of temperature resistant silicone glue, and functions as upper covering for the other pipe stub, i.e. the internal covering disposed down under.
  • This system is commonly used because it has a number of advantages.
  • Rain water is prevented from running down along the lead-in and into the roof as a sealing is provided between the upper conical pipe stub, i.e. the external covering, and the lead-in.
  • the rain water will thus run down the side of the first conical pipe stub.
  • the rain water drips down onto the second pipe stub and further onto the lead plate and then the roof.
  • the system which consists of two pipe stubs not connected with each other and having a certain mutual distance, has the advantage that the system is not deformed or damaged when the pipe changes length and position because of temperature fluctuations.
  • the use of lead has the advantage that the material is durable, workable, and still stable and has a weight ensuring that it is not lifted off the roof because of wind.
  • the lead plate is sometimes fastened to the roof with a glue, for example silicone.
  • Lead plates are also used for roof covering around brick chimneys and by adjoining walls or attics.
  • systems without the use of lead are also known.
  • the covering system consists of an external covering and an internal covering.
  • the external covering is fastened with nails or screws to the chimney and is sealed with a glue joint, such as silicone, to chimney.
  • the internal covering consists of a strip of foam polymer disposed with its upper part under the external coveting and with its lower part nailed to the roof, possibly under the roof plates.
  • This system has the disadvantage that it is only suitable for flat roof constructions; and additionally, it is unsuitable to perforate the internal covering and the roof with nails or the like since this may create leakages, especially by wind force action on the covering.
  • the invention is a roof covering element between a building part and the roof surface itself where a piece of elastic polymer film is used which is fastened to an internal covering and sealed to the roof surface by another glue joint, and where additionally there is used an external covering connected waterproof with the building part.
  • a roof covering element having the same advantageous sealing properties as the known covering with lead but without using lead.
  • the external covering may be waterproof connected with the building part in different ways, for example by a glue joint or a sealing rubber strip.
  • the building part may e.g. be a lead-in or duct through the roof, like a ventilation pipe.
  • the roof covering is achieved in this case by providing a piece of polymer film of suitable size with a hole which is less than the cross-section of a tubular internal covering.
  • the internal covering will typically, like the external covering, be shaped as a conical tube, more like a truncated cone.
  • the film is then stretched so that a larger hole is obtained, and the film is pressed down over the internal covering and is glued between the internal covering and the film.
  • the internal covering with the polymer film is placed around the duct and the polymer film is fastened as base part to the roof surface by a second glue joint.
  • the external covering is placed around the duct and fastened to the duct with a waterproof connection, for example by means of a third glue joint.
  • the position of the external covering in relation to the internal covering is selected so that the internal covering is shielded against rain water.
  • Internal and external covering may be made of different materials, such as synthetic material, though metal, especially aluminium, will be preferred. Truncated cones made of a bent, thin aluminium plate are well-known for use for roof coverings in connection with lead-ins and are proven to be applicable.
  • the ducts usually have standard diameters why the internal and external covering may be prefabricated fitting to these prescribed sizes.
  • the external covering is designed according to claim 7 with a suitable coupling means consisting of two flanges, the mutual distance of which may be varied with e.g. screws. In this way, the diameter of the upper opening of the external covering may be varied and adjusted precisely to the duct.
  • the invention has some similarities with the above described prior art where lead plates are used. But by using an elastic polymer film instead of lead, an environmentally correct solution is achieved.
  • the polymer film is elastic and may therefore be adjusted to may different forms of roof surfaces, including a plurality of materials, such as tile, slate, polymer, and a plurality of shapes, such as plane, grooved, uneven or curved surfaces.
  • the bonding of the polymer film to the internal covering may advantageously be performed on the factory, whereby this bonding process does not have to be performed by the fitter on the site of mounting, something which further facilitates the work on the site and makes this process independent of weather conditions.
  • Such a prefabrication process is not possible with lead covering as the soldering on the internal covering is not stable enough for the transport from factory to the site of mounting on the building roof.
  • the bonding at the factory between the polymer film and the internal covering not only thereby facilitates the work with the roof covering but also makes the whole process far cheaper than previously possible. In that case, bonding between the film and the roof is only to be performed for stabilising the covering and for forming a sealing so that rain water cannot penetrate into the roof.
  • the invention is thus using materials known per se from different trades but in a new, surprising constellation.
  • the glue may be used for all necessary glue joints in connection with the invention which has the advantage that it is not necessary that the fitter mounting the roof covering has several different types of glue with him, thus facilitating his work.
  • the coupling means in the external covering additionally allows this kind of covering at ducts being so high that it is not suitable to lift the roof covering element above the top of the duct and then lower it down over the duct. In such cases, the coupling is opened, and the external covering is laid around the duct. In order to dispose the internal covering around the duct, it has to be cut up, e.g. perpendicularly to the longitudinal direction of the duct after which the internal covering finally has to be bonded together again. This is enabled with the very stable and long-term durable glue described in the invention.
  • the external coveting comprises an elongate rail which is fastened on the wall, usually by screws or nails.
  • the polymer film is fastened on this rail with a waterproof first glue joint.
  • the other side of the polymer film is fastened on the roof with a second glue joint.
  • the external covering is constituted by an elongate angle bar piece with a cross-section which is largely L-shaped with two legs. The first leg is disposed in a groove provided for that purpose in the wall and is fastened with a glue joint filling out the groove at the upper side of the part of the angle bar disposed inside the groove.
  • the external covering is fixed but there is also established a waterproof sealing between the angle bar and the wall so that rain water cannot make its way under the angle bar.
  • the bar is disposed right over the internal covering so that the covering is covered by the second leg of the angle bar extending partly down over the internal covering.
  • the glue joint may be supplemented with a further fastening of the external covering by screws, for example.
  • the roof covering may furthermore be used for covering roof windows, skylights or superstructure windows.
  • the film the base of which is connected with the roof surface, has been described above as being glued or bonded to the roof surface.
  • Fig. 1 shows the invention in an embodiment for covering lead-ins or ducts in the roof.
  • the duct 1 through the roof 2 is, for example, a ventilation pipe.
  • the internal covering 3, which may have different shapes, is shown here in the form of a hollow truncated cone designed to fit the cross-section of the duct 1 and disposed around the duct 1.
  • a piece of polymer film 4 is fastened to the internal covering 3 with a glue joint 5.
  • the base part 6 of the film 4 is fastened to the roof surface 7 with another glue joint 8.
  • the roof is covered by roof plates, there is also the possibility of pushing the film in under some of the roof plates, something which may be suitable for part 9 of the film 4 facing upward.
  • An external covering 10 is provided tightly and firmly around the duct. A possible interspace between the upper opening 11 of the external covering 10 and the duct 1 is sealed with a third glue joint 12. The size of the opening in the external covering may be varied by a coupling means 13 which is a part of the external covering 10.
  • the coupling means 13 of the external covering 10 is shown on Fig. 2, where Fig. 2a shows the external covering from the side, Fig. 2b shows the external covering from the side in enlarged version, Fig. 2c shows the external covering in cross-section with a section through a screw in the coupling means, and Fig. 2d shows the same section in enlarged version.
  • the coupling means comprises two flanges 14 and 15 engaging each other and coupled together, e.g. by means of screws 16.
  • the flanges 14, 15 are formed under the process of making the external covering 10. By tightening the screws 16, a reduction in the cross-section of the opening 11 is achieved.
  • the internal covering as well as the external covering may in general be made of different materials, for example synthetic material or metal; for coverings for ducts or lead-ins, the making in aluminium with a thickness of 0.5 to 1 mm is preferred.
  • the process, where the film 4 is fastened to the internal covering 3, may advantageously occur on the factory. Thereby the fitter is spared for this process on the site, making the system cheaper and more secure.
  • the used ducts 1 have typically a size which belong to the relatively few standardised sizes. Therefore, it is also only necessary to make internal coverings with fastened polymer films in a limited number of sizes. For ducts with different roof inclinations it is, however, necessary to make different pipe stubs but since the single models of pipe stubs cover a broad range of roof inclinations, e.g. 0-5°, 5°-30° or 30°-45°, the necessary number of different embodiments by making and storing is very limited.
  • a combination of internal covering 3 and polymer film 4 is a stable construction which is suitable for transport without risk of breakage during transport and mounting, even at low temperatures.
  • Fig. 3 is a draft of a second embodiment of the invention where a covering of the transition between a wall 20, for example for a chimney or an attic, and the roof surface 7 is achieved.
  • An internal covering in the shape of an elongate rail 23 is mounted on the wall with fastening means 21, e.g. screws.
  • This rail 23 may be discontinued at suitable intervals so that the material may be folded in order thereby to create a suitable surplus of material which is sufficient to let the base part be accommodated to roof surfaces with very deep waves or other kinds of structures.
  • At the lower part 22 of this rail 23 there is fastened a piece of polymer film 4 with a first glue joint 24.
  • the base part 6 of the polymer film 4 is fastened to the roof surface 7 with a second glue joint 8.
  • the wall 20 is provided with a groove 26.
  • the external covering comprises an elongate piece of angle bar 25 with a cross-section being largely L-shaped. However, other cross-sections of the angle bar are also possible.
  • the L-shaped angle bar 25 has a first leg 31 disposed in the groove 26 and fastened to the wall by a glue joint 27 in the groove 26.
  • the glue joint 27 forms a tight connection so that rain water cannot penetrate into the interspace 28 between the wall 20 and the external covering 25.
  • the second leg 29 of the L-shaped section 25 faces downward and ends at a level which is lower than the upper edge 30 of the internal covering 23. Thereby is achieved a rainproof covering of the transition between the wall 20 and the roof surface 7. Rain water will thus run down the external covering 25, drip down onto the internal covering 23 and run further down the polymer film 4 and out on the covered roof surface 7.
  • Fig. 4 shows the roof covering element according to the invention in an embodiment for use in roof windows.
  • the roof window 40 has frame 41 which is partly lowered in the case 42 when the window 40 is shut.
  • the rail 23 may, for example, extend the whole way around the case 42. In this case it may be an advantage to make the rail 23 of a pliable plastic material as the rail can be made in webs and be stored in coils, either as an independent element or together with polymer film glued on it.
  • this rail 23 there is fastened a piece of polymer film 4 with a first glue joint 24.
  • the base part 6 of the polymer film 4 is fastened to the roof surface 7 with a second glue joint 8.
  • an external covering at the outer side 43 of the case.
  • the external covering comprises an elongate angle bar 44 which is fastened on the outer side 43 of the case, e.g. with a glue joint 45 or a combination of glue joints and screws or glue joint and nails.
  • the angle bar 44 extends downward to a level lower than the upper edge of the internal covering 23 whereby a rainproof covering of the transition between the case 42 and the roof surface 7 is achieved, corresponding to the example in Fig. 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Magnetic Heads (AREA)
  • Glass Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Laminated Bodies (AREA)
EP00121179A 1999-10-01 2000-09-29 Dachelement Expired - Lifetime EP1088948B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK140999 1999-10-01
DKPA199901409 1999-10-01

Publications (3)

Publication Number Publication Date
EP1088948A2 true EP1088948A2 (de) 2001-04-04
EP1088948A3 EP1088948A3 (de) 2001-05-16
EP1088948B1 EP1088948B1 (de) 2002-04-17

Family

ID=8104526

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00121179A Expired - Lifetime EP1088948B1 (de) 1999-10-01 2000-09-29 Dachelement

Country Status (4)

Country Link
EP (1) EP1088948B1 (de)
AT (1) ATE216455T1 (de)
DE (1) DE60000131T2 (de)
DK (1) DK1088948T3 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8572903B2 (en) 2010-01-28 2013-11-05 The Sherwin-Williams Company Device, kit and method for sealing roof penetrations
EP2762794A1 (de) * 2013-02-04 2014-08-06 FAKRO PP Sp. z o.o. Dach-Lüfter
CN113323294A (zh) * 2021-06-11 2021-08-31 中国民用航空总局第二研究所 一种带防水结构的航站楼屋面板安装支架
CN114941408A (zh) * 2022-06-01 2022-08-26 中国五冶集团有限公司 一种仿古建筑屋顶宝塔的构筑方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112355A1 (de) 1971-03-15 1972-10-19 Ruhrkohle Ag Vorrichtung zum Anschliessen einer zur Feuchtigkeits-Isolierung an Bauwerken verlegten Dichtungsbahn
US4120129A (en) 1976-09-01 1978-10-17 The Pate Company Pipe flashing unit
US4211423A (en) 1978-02-27 1980-07-08 Portals Plus, Inc. Roof seal device
DE3321101A1 (de) 1982-06-10 1983-12-15 Niilo Heikki 00300 Helsinki Teeri Schornsteinabdichtung
US5226263A (en) 1991-08-22 1993-07-13 Wil-Mar Products, Inc. Weather-tight roof flashing shield
US5381632A (en) 1993-05-03 1995-01-17 Damron; Matthew Chimney flashing system
US5605020A (en) 1995-06-05 1997-02-25 The Garland Co., Inc. Roofing termination device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3090161A (en) * 1958-06-02 1963-05-21 Harlan H Edwards Roof flashing assembly
FR2159672A5 (de) * 1971-11-02 1973-06-22 Raynaud Clement
AT354691B (de) * 1975-12-03 1979-01-25 Braas & Co Gmbh Anschlussteil zur abdichtung eines randes einer von dacheindeckungsplatten gebildeten dach- eindeckung gegenueber angrenzenden bauteilen
DE3841553C2 (de) * 1987-12-09 2002-04-18 Werner Doose Klebeanschluß von Kunststoffdichtungsbahnen
US4937991A (en) * 1989-05-01 1990-07-03 Orth Michael J Flashing unit for sealing roof penetrations

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112355A1 (de) 1971-03-15 1972-10-19 Ruhrkohle Ag Vorrichtung zum Anschliessen einer zur Feuchtigkeits-Isolierung an Bauwerken verlegten Dichtungsbahn
US4120129A (en) 1976-09-01 1978-10-17 The Pate Company Pipe flashing unit
US4211423A (en) 1978-02-27 1980-07-08 Portals Plus, Inc. Roof seal device
DE3321101A1 (de) 1982-06-10 1983-12-15 Niilo Heikki 00300 Helsinki Teeri Schornsteinabdichtung
US5226263A (en) 1991-08-22 1993-07-13 Wil-Mar Products, Inc. Weather-tight roof flashing shield
US5381632A (en) 1993-05-03 1995-01-17 Damron; Matthew Chimney flashing system
US5605020A (en) 1995-06-05 1997-02-25 The Garland Co., Inc. Roofing termination device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8572903B2 (en) 2010-01-28 2013-11-05 The Sherwin-Williams Company Device, kit and method for sealing roof penetrations
EP2762794A1 (de) * 2013-02-04 2014-08-06 FAKRO PP Sp. z o.o. Dach-Lüfter
CN113323294A (zh) * 2021-06-11 2021-08-31 中国民用航空总局第二研究所 一种带防水结构的航站楼屋面板安装支架
CN114941408A (zh) * 2022-06-01 2022-08-26 中国五冶集团有限公司 一种仿古建筑屋顶宝塔的构筑方法

Also Published As

Publication number Publication date
DE60000131T2 (de) 2002-12-05
DK1088948T3 (da) 2002-08-05
EP1088948A3 (de) 2001-05-16
DE60000131D1 (de) 2002-05-23
EP1088948B1 (de) 2002-04-17
ATE216455T1 (de) 2002-05-15

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