EP0042539B1 - Ventilation faîtière de toits - Google Patents

Ventilation faîtière de toits Download PDF

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Publication number
EP0042539B1
EP0042539B1 EP81104444A EP81104444A EP0042539B1 EP 0042539 B1 EP0042539 B1 EP 0042539B1 EP 81104444 A EP81104444 A EP 81104444A EP 81104444 A EP81104444 A EP 81104444A EP 0042539 B1 EP0042539 B1 EP 0042539B1
Authority
EP
European Patent Office
Prior art keywords
ridge
sealing
ventilation according
ridge ventilation
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
Application number
EP81104444A
Other languages
German (de)
English (en)
Other versions
EP0042539A2 (fr
EP0042539A3 (en
Inventor
Hermann Dr. Schollmeyer
Manfred Gehring
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.)
Aeroform Lueftungstechnik GmbH
Mage-Dsi Werke fur Kunststoff- und Metallverarbeitung GmbH
Original Assignee
Aeroform Lueftungstechnik GmbH
Mage-Dsi Werke fur Kunststoff- und Metallverarbeitung GmbH
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
Priority claimed from DE19803023083 external-priority patent/DE3023083C2/de
Priority claimed from DE19813103332 external-priority patent/DE3103332C2/de
Application filed by Aeroform Lueftungstechnik GmbH, Mage-Dsi Werke fur Kunststoff- und Metallverarbeitung GmbH filed Critical Aeroform Lueftungstechnik GmbH
Priority to AT81104444T priority Critical patent/ATE5271T1/de
Publication of EP0042539A2 publication Critical patent/EP0042539A2/fr
Publication of EP0042539A3 publication Critical patent/EP0042539A3/de
Application granted granted Critical
Publication of EP0042539B1 publication Critical patent/EP0042539B1/fr
Expired 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
    • E04D13/17—Ventilation of roof coverings not otherwise provided for
    • E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge 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
    • E04D1/36—Devices for sealing the spaces or joints between roof-covering elements

Definitions

  • the invention relates to a ridge ventilation on roofs with rows arranged one behind the other in the roof longitudinal direction underneath the ridge cover caps, with their front-side mouth openings open to the opposite roof slopes, individual channels crossing the cavity below the cover caps, which are open to flow zones of the air that open from the distance spaces are formed in the area between the individual channels.
  • Such a ridge ventilation is known from DE-A-2451 058.
  • the known roving ventilation requires the use of a special ridge beam, which is provided on its underside with cutouts into which individual insert pieces with a U-shaped cross-section are inserted, which form the channels. These inserts are provided with cover walls that leave openings that connect to the air-access zones. Profiled strips are attached to the ends of the channels, which create the gaps between the channels and the roofing panels on the adjacent sloping ceilings. It can be seen that such a ridge ventilation is made up of a large number of relatively complicated individual parts, which must also be laid with great care. As a result, such ridge ventilation is relatively expensive, which, despite its good effect, prevents widespread use.
  • the invention is therefore based on the object to develop such a ridge ventilation such that it consists of a smaller number of easily manufactured parts and can also be retrofitted to existing roofs with ease.
  • the invention accordingly makes use of a ridge cover with sealing strips, as is known, for example, from DE-C-2701 196.
  • the sealing strips bring about an essentially tight seal of the roof space
  • the ridge ventilation can be produced by the design of these sealing strips according to the invention, which has individual channels crossing the cavity under the cover caps, which are open to air rise zones. It is therefore only necessary to replace the known sealing strips with the sealing strips designed according to the invention in order to achieve a very effective ridge ventilation.
  • the sealing strips designed according to the invention can be produced in a simple manner and are just as easy to attach to the roof screed as the conventional sealing strips. Therefore, the ridge ventilation according to the invention can be produced at very low cost and can also be easily retrofitted to existing roofs.
  • the features extend to the underside of the ridge cap, and the openings are made in the mutually opposite side walls of the features.
  • the top of the embossments can rise at least in the region of the openings from the longitudinal center plane parallel to the individual channels to the side walls. In this way, well separated individual channels are created, which leads to maximum effectiveness of the roof ventilation, and it has the profiling of the top of the forms a beneficial effect both in terms of mechanical stability and the deflection of the rising air in the direction of those in the side walls arranged openings.
  • the features end in a tip in the direction of the outer edge of the sealing strips.
  • the air flowing in at the sloping roof is distributed to the individual ducts largely without vortexes.
  • a nozzle-like narrowing occurs at the inlet of the individual channels, which results in a reduction in pressure in the region of the openings and thus an improvement in the ventilation.
  • a particularly favorable and stable design is obtained if a section of the formations which has the openings and which has side walls which are essentially perpendicular to one another and parallel to the surface of the sealing strip, is followed by a section which is triangular both in plan and in cross section and decreases in height to the outside .
  • the sealing strips can be angled downward in the region of the transition from the section having the openings to the triangular section. This also results in an optimal adaptation of the sealing strip to the shape of the ridge cover caps.
  • the characteristics can in principle extend to the inner edge of the sealing strips if the sealing strips are attached to the ridge screed with abutting edges, as is known from DE-C-2 701 196. In a preferred embodiment of the invention, however, the characteristics extend towards the inner edge of the Sealing strips only up to an angled edge strip, which is attached to the top of the ridge batten. This measure makes it easier to attach the weather strip to the ridge batten.
  • the distance that arises between the features lying one behind the other in the longitudinal direction of the channels is not disruptive because, in the case of the air flow forced through the individual channels, a transverse flow through these spaces in the longitudinal direction of the ridge can practically not occur. In principle, however, there would also be the possibility of forming the sealing strips in one piece in such a way that they extend from one to the opposite other sloping roof and are fastened to the ridge screed in the region of their center.
  • the sealing strips are usually provided on their outer edges lying on the roofing panels with cutouts which are adapted to the profile of the roofing panels, so that the roofing panels engage with these beads in their cutouts.
  • This design of the sealing strips requires the provision of different embodiments for the different, commercially available roofing sheets.
  • the position of the sealing strips is determined by the arrangement of the roofing panels. Therefore, the roof covering plates arranged on the two roof slopes adjacent to the ridge screed must be aligned with each other in such a way that, given the position of the sealing strips lying on a common section of the ridge screed, the characteristics and, accordingly, the individual channels delimited therefrom are aligned, as is the case for one optimal ventilation is required.
  • this condition can be met with new roofs to be covered, it requires special measures that make roofing more difficult and are often often avoided in practice. If such a ridge ventilation is retrofitted to an existing roof, this condition will generally not be met.
  • elongated sealing bodies made of a highly elastic material are arranged between the outer edges of the sealing strips and the roof covering plates, which seal the gap between the edges of the sealing strips and the roof covering plates .
  • the sealing bodies can advantageously consist of a foamed plastic, in particular a foamed polyurethane, and can be attached, in particular glued, to the edges of the sealing strips.
  • the sealing bodies have an essentially rectangular cross section, the height of which is measured perpendicular to the underside of the sealing strips and is approximately twice as large as its width.
  • the height of the sealing strip is approximately 50 mm. This height is sufficient to ensure that it fits snugly against a wide variety of profiles of roofing panels, while on the other hand the width ensures that the sealing body fits snugly against the roofing panels. It can be particularly advantageous if the sealing body is not exactly rectangular, but rather has the cross section of a parallelogram, the acute angles of which lie at the upper, inner and lower, outer corners.
  • the sealing bodies are then slightly outwards and have a tip pointing slightly downwards and outwards, which also ensures that they fit snugly against the fine profiles of the roof covering panels.
  • the acute angle of the parallelogram can suitably be 75 degrees to 80 degrees and preferably 78 degrees.
  • the invention relates not only to a ridge ventilation, but also to the sealing strips used to produce such a ridge ventilation, which preferably consist of plastic.
  • the sealing strip 1 shown in Fig. 1 consists of a relatively rigid but elastic plastic.
  • a central section is adjoined by two edge strips 2 and 3, which are angled towards the central section on the same side.
  • the edges 4 and 5 formed by angling the edge strips 2 and 3 run in the longitudinal direction of the sealing strip 1.
  • the one edge strip 2 has a width B which is slightly less than half Wide ridge planks.
  • In this edge strip there is a number of nail holes 6, which make it easier to nail this edge strip onto a ridge plank.
  • the other edge strip 3 is adapted to the profile of such roofing panels by cutouts 7, the spacing of which is equal to the spacing of the longitudinal beads of roofing panels with which the sealing strip 1 is intended to cooperate. As can be seen, the cutouts 7 are arranged symmetrically to the center of the sealing strip 1.
  • the sealing strip has upward-directed features 8 which extend over the entire width of the central section and are arranged parallel to one another at a distance.
  • These features 8 have a first section 9, the side walls 10 of which extend essentially perpendicular to the surface of the sealing strip 1 and are provided with openings 11.
  • This first section is adjoined by a second section 12 which extends in the direction of the outer edge strip 3 and which has a triangular shape both in plan and in cross section.
  • the central section of the edge strip is angled again in the area of the transition from the first section 9 of the features 8 to its second section 12 in the same sense as the edge strips 2 and 3.
  • the sealing strips 1 shown in FIG. 1 are nailed onto a ridge plank 21 in a ridge beam covering in such a way that the angled inner edge strips 2 rest on the upper side of the ridge plank 21.
  • the edges 4 between the central section and the inner edge strips 2 of the sealing strips 1 coincide with the outer edges 22 of the ridge plank 21. This makes it much easier to align the sealing strips 1 parallel to the ridge plank 21.
  • the sealing strips 1 are placed in such a way that the cutouts 7 provided in their outer edge strip 3 accommodate the longitudinal bead 23 of the roof covering panels 24 adjacent to the ridge screed 21.
  • cover caps 29 are attached over the sealing strip 1 by means of retaining clips 28 fastened by nails 27.
  • the lateral edges of the cap 29 extend close to the outer edge strips 3 of the sealing strips 1 and cover the features 8.
  • the features 8 ideally extend to the inside of the caps 29, so that the gaps between the expressions 8 not only downwards and to the side, but also at the top are closed and form transverse channels to the ridge 13, which are open with their front openings to the opposite roof slopes.
  • These individual channels are connected via the openings 11, which are located in the side walls 10 of the forms, with air rise zones which are formed by the interior spaces of the forms 8, which in turn are connected to the roof space located below the sealing strips.
  • These interiors of the forms 8 are at the same time spaces between the individual channels 13.
  • this roving ventilation is based on the fact that practically in every wind direction the individual channels are flowed through by an air stream which entrains air from the openings 11 in the walls 10 of the forms, which air is drawn off from the roof interior to be vented.
  • This venting is only slightly dependent on the wind speed and wind direction.
  • the air guiding webs 15, which are arranged at the ends of the individual channels 13 parallel to the forms 8, also contribute to this independence. It is particularly important that no back pressure can occur that prevents the roof from being vented. When there is no wind, the ventilation based on natural convection is not prevented.
  • the triangular outer sections 12 of the forms cause a constant inflow of air at the ends of the channels, so that on the one hand a vortex formation is prevented and on the other hand a nozzle effect promoting ventilation occurs.
  • a high degree of dimensional stability and an optimal adaptation to the shape of the ridge cover caps are achieved through the described and illustrated design of the forms.
  • the upper sides 14 of the forms 8 rise towards the side walls 10, as is particularly clearly shown in FIG. This achieves both an improved deflection of the air and a further stiffening of the shape.
  • the features 8 only extend as far as the inner edge strip 2, an intermediate space 16 remains between the mutually aligned features of the sealing strips 1 arranged on both sides of the ridge screed 21, which creates a connection between adjacent individual channels 13.
  • an intermediate space 16 remains between the mutually aligned features of the sealing strips 1 arranged on both sides of the ridge screed 21, which creates a connection between adjacent individual channels 13.
  • no interfering cross-flow can occur through these spaces 16.
  • the sealing strip for the ridge ventilation in such a way that it spans the ridge plank 21 in one piece and extends from one sloping roof to the opposite sloping roof, and such a sealing strips to be provided with an expression which extends from one outer edge strip to the other.
  • the sealing strip 101 shown in FIGS. 7 and 8 also consists of a relatively stiff but elastic plastic, and two edge strips 102 and 103 adjoin a central section, which are opposite the middle section are angled towards the same side.
  • the edges 104 and 105 formed by angling the edge strips 102 and 103 run in the longitudinal direction of the sealing strip 101.
  • the one edge strip 102 has a width B which is slightly less than half the width of conventional ridge planks.
  • nail holes 106 which facilitate the nailing of this edge strip onto a ridge plank.
  • a sealing body 107 is attached, which consists of foamed plastic.
  • Foamed polyurethane is particularly suitable.
  • the height H of this sealing body is greater than the height of the profile of conventional roofing panels, so that the sealing body fits perfectly against the surface of the roofing panels due to its high elasticity and thereby the gap between the edge of the sealing strips 101 and the adjacent roofing panels, which are shown in FIGS 7 and 8 are not shown, can conclude perfectly.
  • the sealing body in the illustrated embodiment does not have exactly the shape of a rectangle in cross section, but rather a parallelogram. As can be seen from Fig.
  • the acute angles x are arranged at the outer lower corner and the upper inner corner of the sealing body 107, so that the sealing body protrudes slightly obliquely outwards over the edge of the sealing strip and also has an outwardly and downwardly directed tip having. This also ensures that the roof cladding clings to relatively fine profiles.
  • the acute angle is x 78 degrees.
  • the height of the sealing strip H is approximately 50 mm, and the height H is approximately twice as large as the width D.
  • the sealing strip shown in FIGS. 7 and 8 is nailed to the ridge strip 102 on a ridge plank, not shown, when creating the ridge ventilation according to the invention.
  • the position of the sealing strip can be freely selected both transversely to the ridge screed and in its longitudinal direction, regardless of the profile of the roofing panels used, so that a perfect sealing of the sealing strips against the roofing panels is achieved by means of the sealing body 107 and at the same time the characteristics 108 of the Sealing strips 101 arranged on both sides of a ridge screed can be arranged in alignment with one another, so that the individual channels 113 delimited by these forms are also in alignment with one another and air can flow through them as freely as possible.
  • the roof interior is vented via openings 111, which are provided in the side walls 110 of the features and which establish the connection between the air rise zones formed by the interior of the feature 108 and the individual channels 113 between the features 108.
  • openings 111 are made in each of the side walls 110.

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

Claims (16)

1. Dispositif de ventilation de faîte comprenant, sous des chaperons de faîte demi-ronds (29) ou des éléments de couverture de faîte analogues, des canaux de ventilation (13) séparés, qui forment sur chaque côté une rangée dans le sens de la longueur du toit, s'ouvrent à une extrémité extérieure vers le versant contigu du toit, coupent l'espace sous les chaperons (29) et communiquent avec les zones d'écoulement de l'air montant du comble, qui sont formées par les espaces situés entre les canaux, caractérisé en ce que les fentes entre la panne faîtière (21) et les plaques de couverture (24) des deux versants du toit sont fermées par des bandes d'étanchéité ou bavettes (1), fixées à la panne faîtière (21), qui présentent des bosses (8), produites par déformation en creux de l'autre face du matériau en feuille des bavettes, qui sont dirigées vers les chaperons (29) et forment les espaces intercalaires des canaux de ventilation (13), de sorte qu'elles délimitent ces canaux, des ouvertures (11) ménagées dans les parois (10) des bosses (8) faisant communiquer les canaux avec les espaces intercalaires.
2. Dispositif selon la revendication 1, caractérisé en ce que les bosses (8) s'étendent jusqu'au côté inférieur des chaperons (29) et les ouvertures (11) sont ménagées dans les parois latérales (10) opposées des bosses (8).
3. Dispositif selon la revendication 2, caractérisé en ce que le dessus (14) des bosses (8) monte en direction des parois latérales (10), tout au moins dans la région des ouvertures (11), à partir du plan longitudinal médian parallèle aux canaux de ventilation (13).
4. Dispositif selon les revendications 1 à 3, caractérisé en ce que les bosses (8) se terminent en pointe en direction du bord extérieur de la bavette (1).
5. Dispositif selon la revendication 4, caractérisé en ce que chaque bosse (8) comporte une première portion (9), présentant des parois latérales (10) qui sont parallèles et essentiellement perpendiculaires à la surface de la bavette (1), dans lesquelles sont ménagées les ouvertures de communication (11), à laquelle se raccorde une seconde portion (12) possédant und forme triangulaire en plan et en section et dont la hauteur décroît vers l'extérieur.
6. Dispositif selon la revendication 5, caractérisé en ce que la bavette (1) est fléchie vers le bas à la transition entre la portion (9) présentant les ouvertures (11) et la portion triangulaire (12).
7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les bosses (8) s'étendent, en direction du bord intérieur de la bavette (1), jusqu'à une bande marginale ou bordure (2) qui est fléchie vers le bas par rapport au reste de la bavette et qui est fixée sur le dessus de la panne faîtière (21 ).
8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que des ailettes directrices d'air (15) sont disposées parallèlement aux bosses (8) aux extrémités des canaux de ventilation (13).
9. Dispositif selon l'une des revendications précédentes, caractérisé par la disposition, entre les bords extérieurs des bavettes (101) et les plaques de couverture de toit, de boudins d'étanchéité (107) en matériau hautement élastique, qui ferment la fente entre les bords des bavettes (101) et les plaques de couverture.
10. Dispositif selon la revendication 9, caractérisé en ce que les boudins (107) sont en matière plastique mousse, en particulier en mousse de polyuréthanne.
11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que les boudins (107) sont fixés aux bords des bavettes (101), en particulier par collage.
12. Dispositif selon l'une des revendications 9 à 11, caractérisé en ce que les boudins (107) possèdent une section droite essentiellement rectangulaire, dont la hauteur (H), mesurée perpendiculairement à la face inférieure de la bavette (101), est à peu près le double de la largeur (D) de la section.
13. Dispositif selon la revendication 12, caractérisé en ce que les boudins (107) possèdent une section droite en forme de parallélogramme, dont les angles aigus (α) sont situés en haut à l'intérieur et en bas à l'extérieur du boudin posé.
14. Dispositif selon la revendication 13, caractérisé en ce que l'angle aigu (α) du parallélogramme est compris entre 75 et 80° et est de préférence de 78° .
15. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les bavettes (1, 101) sont en matière plastique.
16. Bande d'étanchéité ou bavette pour un dispositif de ventilation de faîte selon une des revendications précédentes.
EP81104444A 1980-06-20 1981-06-10 Ventilation faîtière de toits Expired EP0042539B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81104444T ATE5271T1 (de) 1980-06-20 1981-06-10 Firstentlueftung an daechern.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3023083 1980-06-20
DE19803023083 DE3023083C2 (de) 1980-06-20 1980-06-20 Firstentlüftung an Dächern
DE3103332 1981-01-31
DE19813103332 DE3103332C2 (de) 1981-01-31 1981-01-31 Firstentlüftung an Dächern

Publications (3)

Publication Number Publication Date
EP0042539A2 EP0042539A2 (fr) 1981-12-30
EP0042539A3 EP0042539A3 (en) 1982-02-17
EP0042539B1 true EP0042539B1 (fr) 1983-11-09

Family

ID=25786102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81104444A Expired EP0042539B1 (fr) 1980-06-20 1981-06-10 Ventilation faîtière de toits

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EP (1) EP0042539B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124266A (en) * 1982-07-16 1984-02-15 Catnic Components Ltd Ventilating roofs
DE3306837A1 (de) * 1983-02-26 1984-10-04 Braas & Co Gmbh, 6000 Frankfurt First- oder gratabdeckung fuer mit dacheindeckungsplatten eingedeckte daecher
GB2140843B (en) * 1983-05-05 1986-12-03 Glidevale Building Prod Roof space ventilator
ATE65569T1 (de) * 1983-11-11 1991-08-15 Peter Halm Firstabdeckung.
EP0224603B1 (fr) * 1985-11-30 1992-05-06 Peter Halm Recouvrement de faîte en forme de chapeau
DE3543005A1 (de) * 1985-12-05 1987-06-11 Braas & Co Gmbh Be- und entlueftungselement fuer dachspannbahnbelueftung
EP0320343B1 (fr) * 1987-12-04 1991-10-23 Michel Goubaud Closoir, en particulier closoir de faitage, à bande(s) d'étanchéité élastiquement déformable(s)
FR2630482B2 (fr) * 1988-04-21 1991-08-30 Goubaud Michel Closoir de faitage a bande(s) d'etancheite elastiquement deformable(s)
FR2624164B1 (fr) * 1987-12-04 1991-05-03 Goubaud Michel Closoir de faitage a bande(s) d'etancheite elastiquement deformable(s)
ATE152797T1 (de) * 1989-11-21 1997-05-15 Norm Amc Ag Vorrichtung zur hinterlüftung von dächern
AU647777B2 (en) * 1990-03-09 1994-03-31 Judith Mary King Vent assembly
US5561953A (en) * 1994-12-01 1996-10-08 Rotter; Martin J. Contoured ventilation system for metal roofs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451058A1 (de) * 1974-10-26 1976-04-29 Hermann Dr Schollmeyer Firstenlueftung an daechern
DE2701196C2 (fr) * 1977-01-13 1979-03-15 Uni-Schrauben Gmbh, 7296 Glatten

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR480120A (fr) * 1914-05-18 1916-06-22 George Palmer Chaperon de faitage ondulé fait au moyen d'une plaque de métal ou autre et destiné à surmonter un toit présentant des cannelures ou ondulations
DE2842123C2 (de) * 1978-09-28 1982-11-18 Oskar 4354 Datteln Fleck Firstabdichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451058A1 (de) * 1974-10-26 1976-04-29 Hermann Dr Schollmeyer Firstenlueftung an daechern
DE2701196C2 (fr) * 1977-01-13 1979-03-15 Uni-Schrauben Gmbh, 7296 Glatten

Also Published As

Publication number Publication date
EP0042539A2 (fr) 1981-12-30
EP0042539A3 (en) 1982-02-17

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