EP0916012B1 - Vorrichtung zur hinterlüftung von dächern - Google Patents
Vorrichtung zur hinterlüftung von dächern Download PDFInfo
- Publication number
- EP0916012B1 EP0916012B1 EP97937479A EP97937479A EP0916012B1 EP 0916012 B1 EP0916012 B1 EP 0916012B1 EP 97937479 A EP97937479 A EP 97937479A EP 97937479 A EP97937479 A EP 97937479A EP 0916012 B1 EP0916012 B1 EP 0916012B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- following
- weighting means
- longitudinal edges
- ridge
- roof
- 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
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Definitions
- the invention relates to a device for rear ventilation of roofs according to the Preamble of claim 1.
- Such a device is known for example from EP-0 722 025-A1.
- it relates in particular to roofs where between a foil is inserted into the rafters and the battens. With such roofs the air space between the film and the roof tiles must be ventilated to ensure a harmless climate under the roof covering.
- the rear ventilation leads to an exchange of air in the space that is constantly is maintained.
- those are used for ventilation Openings always open, this also applies to the one shown in DE-195 29 201-A1 Solution.
- the device according to the invention engages under the roof ridge tiles and should be as possible tight with their supports on their ridge parallel longitudinal edges on the roof tiles so that the air exchange is as complete as possible only through the both sides the ridge cover arranged exhaust and / or supply air openings takes place because avoiding short-circuit currents is the prerequisite for one effective climate control in the space mentioned.
- a UV-stabilized plastic film is used as the device used and this in a known manner as a single or multi-layer forms a flat band, the roof supports of which are cut like a comb are, so that the longitudinal edges better the unevenness of the upper Laying on the roof tile row, it turns out to be difficult among the through the effects of the wind on the roof climates the tightness once achieved under unfavorable Maintaining weather conditions (DE-GM 295 10 921.1).
- Foil sections as the main component of a device for Ventilation of roofs also basically cause Difficulties in properly getting off and / or Supply air openings for rear ventilation, provided the foil sections are not are profiled.
- Profiled sections of film are on the other hand comparatively complex and also difficult to wrap to accommodate the roofing of a section for the roof to be provided with ventilation in individual cases guarantee.
- the weighting on the bottom of the Longitudinal edges of the film section first so that a proper sealing on the irregular surface of the top row of roof tiles occurs because the longitudinal edges of the Foil section are additionally pressed with the weighting. Then the long edges can be used in unfavorable weather conditions are also less easily lifted off the roof tiles.
- the device thus maintains its function even under unfavorable conditions Requirements.
- the weighting still has another function because it has the ventilation openings at the Pad on the roof tiles opens. This is essentially based on the Matching the stiffness of the film section to the Ventilation openings and the weighting so that the one Deformation of the film from the flat state to the arcuate Release the ventilation openings on the roof ridge.
- the invention therefore easily eliminates the one hand Transport problems of a film wrap because the film before Cut off the film strip that is placed on the roof in the flat condition with closed rear ventilation openings, even if it is wound up.
- the exhaust and supply air openings only open when a complaint is opened with the complaints the roof tiles is achieved.
- the rear ventilation openings reliably kept open because the requirements against Wind forces are practical except in extreme wind conditions are insensitive.
- Ventilation openings are for the function of the invention Device of importance, but can in turn as a result of the opening movements achieved are improved. This is particularly the case when the features of the Claim 9, because here the openings largely under flaps lie, which are set up with the complaints.
- the order these flaps in the film section so that the back of the Longitudinal edges are associated with the hipped or Saddle roofs outside air currents rising on the roof covering Drive water through the ventilation openings and ensure therefore a dry one in the space under the roof covering climate.
- the complaints are according to a further advantageous variant beveled or rounded, so that incoming wind Presses down on the roof covering.
- the film section 1 shown in FIG. 1 is straight along it Center line 2 symmetrical.
- the center line coincides with the center line of the Ridge beam 3 in accordance with FIG. 4.
- the details are therefore sufficient of the film section 1 based on one of its long sides explain.
- Each of these longitudinal edges is on both sides of the roof covering 4 with and exhaust air openings in the roof ventilation.
- the roof ventilation is indicated by arrows, which air flows mean the vent a space 6a, which is above one on the Rafters overlying sealing film 7 and under the Roof covering 5 is located.
- the longitudinal edges 6 are on their as shown in FIG. 3 Bottom side 9 with two foil strips 10 and 11 lying one above the other complainings which, together with the longitudinal edge 6, the support 12a of the Form film section 1 on the roof covering 5.
- the film has incisions 12, 14 on its longitudinal edges together result in a comb 15, the prongs 16 of each between adjacent cuts 12 and 14 arise, which essentially perpendicular to the center line 2 and parallel to it in the longitudinal direction the cut edges 17 and 18 of the film section 1 run.
- the incisions 12 and 14 also penetrate the strips 10 and 11 on the underside 9 of the longitudinal edges 8.
- the weightings consist of a film according to the illustrated embodiment, which in turn consists of the film material of section 15.
- the cuts 12 and 14 have a limited length, which makes each side of the axis of symmetry or plane one of incisions 12 and 14 free partial strips of film 1 remain.
- the film strip 1 is mounted as shown in FIG. 4, are those surrounded by the incisions 21 to 23 Foil areas 24 in the form of flaps 25.
- the flap back is as can be seen from Fig. 2, the longitudinal edges 17, 18 of the film section 1 turned. Since the incisions 21 to 23 with their apices the Ridge line 2 are facing, those at 26 in Fig. 4 schematically ascending wind currents rainwater represented by arrows do not drive into openings 27. The gap therefore remains in the essentially dry.
- the incisions 21 and 23 run over a semicircle, the arc of which includes several comb teeth when you have the comb teeth in their Axis extends to the arc thinks.
- the resulting Opening cross sections are usually sufficient to with two rows of Openings, as in 19 and 20 in the illustrated embodiment 1 are sufficiently ventilated.
- the incisions are arranged so that they are as large as possible Number results.
- the flaps 25 in the upper ridge row 19 over the distance a of the lower row 20 arranged, so to speak, are "on gap".
- the film strips 9, 10 can be wholly or partly by sheet metal strips be replaced, which consist of lead. Instead of sheet metal strips, also use lead body, which under the longitudinal edges 17 and 18 of the Foil section 1 are riveted.
- the film strips 9, 10 forming complaints are after bevelled on the outside so that incoming wind the complaints or the entire device against the Roof covering presses.
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Description
- Fig. 1
- eine Draufsicht auf den die beschriebene Vorrichtung bildenden frühen Abschnitt im flachen Anfangszustand,
- Fig. 2
- in abgebrochener Darstellung eine Einzelheit an der Stelle X der Fig. 1,
- Fig. 3
- links in der Fig. 2 entsprechender Darstellung und rechts im Schnitt eine bei Z in Fig. 1 angegebene Einzelheit,
- Fig. 4
- den Gegenstand der Fig. 1 nach Anbringung auf dem Dachfirst und
- Fig. 5
- ein weiteres Ausführungsbeispiel der Erfindung in einer der Fig. 4 analogen Darstellung.
Claims (14)
- Vorrichtung zur Hinterlüftung von Dächern mit Hilfe eines Dachfirstziegel (4) untergreifenden Folienabschnittes, der beidseitig mit einer Auflage seiner firstparallelen Längskanten (6) auf Dachziegel der Dacheindeckung (5) aufliegt und beiderseits der Firsteindeckung (4) Ab- und Zuluftöffnungen der Hinterlüftung aufweist,
dadurch gekennzeichnet,
daß die Längskanten (6) auf ihrer Unterseite oder Oberseite beschwert sind und daß durch die Formsteifigkeit des Folienabschnittes sich die Hinterlüftungsöffnung (27) bei Auflage auf die Dachziegel durch die Verformung der Folie aus dem flachen Zustand in den bogenförmigen Verlauf auf dem Dachfirst öffnen. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Längskanten und/oder die Beschwerungen (9,10) durch aerodynamische Formgebung eine in Andruckrichtung wirksame Windkraftkomponente aufweisen. - Vorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Beschwerungen (9,10) keilförmig ausgebildet sind. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerungen (9,10) der Längskanten (11) an den Enden von Zinken (16) eines Kammes (15) angeordnet sind, die aus den Längskanten (6) des Folienabschnittes (1) ausgeschnitten sind und außen vor den Hinterlüftungsöffnungen (27) enden. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerung (9,10) der Längskanten (6) aus Streifen (9,10) besteht, die die Folienstärke vervielfachen. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerung (9,10) jeder Längskante aus wenigstens einem Folienstreifen (9,10) besteht. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Folienstreifen (9,10) der Beschwerung aus dem Werkstoff der Vorrichtung (15) bestehen. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerungen aus Schwermetall bestehen. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerungen Klappen (25) aufstellen, deren Rücken den Längskanten (17,18) des Folienabschnittes (1) zugekehrt ist. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Einschnitte (21 bis 23) bogenförmig oder sichelförmig ausgebildet sind und ihre Scheitel der Firstlinie (2) zugekehrt sind. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß der Bogen der Einschnitte (21 bis 23) im wesentlichen über einen Halbkreis verläuft, der die Achsen mehrerer benachbarter Kammzinken (16) einschließt. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Einschnitte (21 bis 23) der sich aufstellenden Klappen (25) an jeder Firstseite mit gegenseitigem Abstand (a) in firstparallelen Reihen (20,21) angeordnet sind und in den Reihen (20,21) über den Abständen (a) angebracht sind. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerungen aus eingeschnittenen Blechstreifen bestehen. - Vorrichtung nach Anspruch 1 oder einem der folgenden Ansprüche,
dadurch gekennzeichnet,
daß die Beschwerungen aus angehefteten Formkörpern bestehen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97937479A EP0916012B1 (de) | 1996-07-29 | 1997-07-14 | Vorrichtung zur hinterlüftung von dächern |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19630372 | 1996-07-29 | ||
DE19630372A DE19630372A1 (de) | 1996-07-29 | 1996-07-29 | Vorrichtung zur Hinterlüftung von Dächern |
EP9701374 | 1997-03-19 | ||
WOPCT/EP97/01374 | 1997-03-19 | ||
PCT/EP1997/003749 WO1998004794A1 (de) | 1996-07-29 | 1997-07-14 | Vorrichtung zur hinterlüftung von dächern |
EP97937479A EP0916012B1 (de) | 1996-07-29 | 1997-07-14 | Vorrichtung zur hinterlüftung von dächern |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0916012A1 EP0916012A1 (de) | 1999-05-19 |
EP0916012B1 true EP0916012B1 (de) | 2001-08-16 |
Family
ID=26027873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97937479A Expired - Lifetime EP0916012B1 (de) | 1996-07-29 | 1997-07-14 | Vorrichtung zur hinterlüftung von dächern |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0916012B1 (de) |
-
1997
- 1997-07-14 EP EP97937479A patent/EP0916012B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0916012A1 (de) | 1999-05-19 |
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