EP0248193B1 - Joint cover - Google Patents
Joint cover Download PDFInfo
- Publication number
- EP0248193B1 EP0248193B1 EP87105944A EP87105944A EP0248193B1 EP 0248193 B1 EP0248193 B1 EP 0248193B1 EP 87105944 A EP87105944 A EP 87105944A EP 87105944 A EP87105944 A EP 87105944A EP 0248193 B1 EP0248193 B1 EP 0248193B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- joint cover
- cover according
- flat strip
- roof
- water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000002352 surface water Substances 0.000 claims abstract description 8
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000035508 accumulation Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 239000002984 plastic foam Substances 0.000 claims description 3
- 210000003414 extremity Anatomy 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 17
- 210000001503 joint Anatomy 0.000 description 11
- 239000011888 foil Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
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
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
- E04D13/1687—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure the insulating material having provisions for roof drainage
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/38—Devices for sealing spaces or joints between roof-covering elements
Definitions
- the invention relates to a joint cover of butted plastic insulation panels of a roof, in particular a pitched roof, to prevent the penetration of surface water while at the same time avoiding harmful water accumulations as a result of water vapor diffusion.
- the object of the invention is therefore to find a means, in particular for cuboid-like, inclined plastic foam insulation boards, which prevents the penetration of surface water into the butt joints and at the same time has such a low water vapor diffusion resistance. that harmful water accumulations cannot occur, which significantly reduce the thermal insulation value and lead to rotting or corroding of the adjacent components.
- a surface water-impermeable strip is firmly connected at least on one side of a joint with insulation panels of the roof and that there are ways of removing the water vapor.
- the joints across the fall line can easily be covered by an extruded profile with flat legs.
- the lower leg runs parallel to the surface of a first thermal insulation board, as a result of which the surface water is conducted over the butt joint, while the steam coming out of the joint can freely draw off below the leg.
- the upper leg has a smaller slope than the roof slope and is held in a slot in the corner of the second insulation panel, which begins at an angle to the outer surface in the corner.
- the existing inclination is still large enough to drain any water that may be drawn towards the eaves.
- projecting parts are attached to the upper leg in the area of the second insulation panel, which act as barbs.
- a flat strip of flexible film or extruded profile is applied over the joints - in particular in the direction of the fall line - on the surface of the waterproof insulation boards and is preferably attached with a self-adhesive.
- the flexible strips with a network or water-repellent fibers which, in addition to the vapor permeability, give the strip a certain strength, so that tearing does not occur when the insulation boards are displaced as a result of temperature changes and shrinkage.
- a steep roof 1 is shown in plan view in which the transversely arranged insulation panels 2 made of polyurethane foam have 3 joints 4 or 3 in the direction of the fall line 3 filled joints 5.
- Angled plastic plates 6 are arranged as strips over the continuous joints 4.
- the offset joints 5, on the other hand, are covered by strips in the form of flexible strips 7 which end above and below the plastic plates 6.
- a section through the pitched roof 1 is drawn by the tongue 10 in the groove 8 of the lower insulation board 9 the upper insulation panels 11.
- the insulation panels 9, 11 made of polyurethane are each covered with an aluminum foil 12 at the top.
- the angled plastic plate 6 lies with one leg 13, in particular over curvature 14, on the aluminum foil 12, while the other leg 15, which has a slope that is 25 ° lower than the fall line 3, sits in a slot 16 which extends into an enlarged space 17 ends to receive a projecting part 18 there.
- a plastic plate 6 is shown in perspective. It consists of a first leg 13 which at the end has a slight curvature 14 downwards for better installation and a second leg 15 which forms an angle of 25 ° with the imaginary extension of the first leg and in order to resist pulling out in a projecting part 18 in Shape of a right-angled leg ends.
- a flexible tape 7 is provided in the area of the support with self-adhesive surface 19 in the edge areas of a third of the total width, which are covered with oil paper 20 until removal. Furthermore, inclined grooves 21 are provided as elevation 21 in the right edge region for the removal of the steam.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Cable Accessories (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Pens And Brushes (AREA)
Abstract
Description
Die Erfindung betrifft eine Fugenabdeckung von gestoßenen Kunststoff-Dämmplatten eines Daches, insbesondere Steildaches, zur Verhinderung des Eindringens von Oberflächenwasser bei gleichzeitiger Vermeidung von schädlichen Wasseransammlungen infolge Wasserdampfdiffusion.The invention relates to a joint cover of butted plastic insulation panels of a roof, in particular a pitched roof, to prevent the penetration of surface water while at the same time avoiding harmful water accumulations as a result of water vapor diffusion.
Bei Dächern besteht die Gefahr während der Bauarbeiten, daß durch Regen Wasser über die Stoßfugen in die Dämmschicht eindringt, welches den Wärmedämmwert herabsetzt un bei angrenzenden Bauteilen zur unerwünschten Fäulnis bzw. zur Korrosion führen kann.In the case of roofs, there is a risk during construction that rain will cause water to penetrate into the insulation layer through the butt joints, reducing the thermal insulation value and, in the case of adjacent components, leading to undesired decay or corrosion.
Aber auch nach der Eindeckung besteht durch Flugschnee bzw. durch Beschädigungen in der Dachhaut die Möglichkeit zur Bildung von Oberflächenwasser. Andererseits ist das einseitige Verschließen der Stöße zwischen den Kunststoffschaum-Dämmplatten nicht möglich, da infolge des Dampfdruckes bei bestimmten Wetterlagen die Gefahr der Ansammlung von Wasser besteht, welches ebenfalls die vorgenannten Schäden hervorrufen könnte.But even after covering, there is the possibility of surface water being formed due to flying snow or damage to the roof skin. On the other hand, the one-sided sealing of the joints between the plastic foam insulation boards is not possible, since due to the steam pressure there is a risk of water accumulation in certain weather conditions, which could likewise cause the aforementioned damage.
Aufgabe der Erfindung ist es daher für insbesondere quaderähnliche, geneigte Kunststoffschaum-Dämmplatten ein Mittel zu finden, welches das Eindringen von Oberflächenwasser in die Stoßfugen verhindert und gleichzeitig einen solch geringen Wasserdampfdiffusions-Widerstand besitzt. daß schädliche Wasseransammlungen nicht auftreten können, welche den Wärmedämmwert wesentlich herabsetzen und zum Verfaulen bzw. Korrodieren der angrenzenden Bauteile führen.The object of the invention is therefore to find a means, in particular for cuboid-like, inclined plastic foam insulation boards, which prevents the penetration of surface water into the butt joints and at the same time has such a low water vapor diffusion resistance. that harmful water accumulations cannot occur, which significantly reduce the thermal insulation value and lead to rotting or corroding of the adjacent components.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß ein oberflächenwasserundurchlässiger Streifen mindestens auf einer Seite einer Fuge mit Dämmplatten des Daches fest verbunden ist und daß Wege zur Abführung des Wasserdampfes vorhanden sind.The object is achieved in that a surface water-impermeable strip is firmly connected at least on one side of a joint with insulation panels of the roof and that there are ways of removing the water vapor.
Durch das Verschließen der Stoßfugen der mit einer wasserundurchlässigen Folie (Alu-Folie) abgedeckten Dämmplatten mit oder ohne Nut und Feder an der dem Wetter zugewendeten Seite wird erreicht, daß schon bei geringen Dachneigungen vorzugsweise > 20° anfallendes Oberflächenwaser - ohne Schaden zu erzeugen -ablaufen kann wobei entstehender Wasserdampf infolde des Dampfdruckgefälles am Durchströmen der oberflächenwasserdichten Schicht nicht behindert wird.By sealing the butt joints of the insulation panels covered with a waterproof foil (aluminum foil) with or without tongue and groove on the side facing the weather, it is achieved that even with slight roof pitches preferably> 20 ° surface water - without causing damage - will run off The resulting water vapor as a result of the vapor pressure gradient is not prevented from flowing through the surface-water-tight layer.
Mit einer einfachen Fugenabdichtung ist es möglich ein während der Bau- und Betriebszeiten voll funktionsfähiges Dach zu erstellen.With a simple joint seal it is possible to create a fully functional roof during the construction and operating times.
Die quer zur Fallinie liegenden Fugen können einfach durch ein extrudiertes Profil mit flachen Schenkeln abgedeckt werden. Der untere Schenkel verläuft parallel zur Oberfläche einer ersten Wärmedämmplatte, wodurch das Oberflächenwasser über die Stoßfuge hinweggeleitet wird, während der aus der Fuge kommende Dampf unterhalb des Schenkels frei abziehen kann. Der obere Schenkel besitzt eine kleinere Neigung als die Dachneigung und wird in einem schräg zur Außenfläche in der Ecke beginnenden Schlitz der zweiten, nach oben angrenzenden Dämmplatte gehalten. Die vorhandene Neigung ist dabei immer noch groß genug, um eventuell anfallendes Wasser in Richtung der Traufe abzuleiten. Um ein Herausziehen der Kunststoff-Platte zu vermeiden, werden im Bereich der zweiten Dämmplatte am oberen Schenkel vorstehende Teile angebracht, die als Widerhaken wirken.The joints across the fall line can easily be covered by an extruded profile with flat legs. The lower leg runs parallel to the surface of a first thermal insulation board, as a result of which the surface water is conducted over the butt joint, while the steam coming out of the joint can freely draw off below the leg. The upper leg has a smaller slope than the roof slope and is held in a slot in the corner of the second insulation panel, which begins at an angle to the outer surface in the corner. The existing inclination is still large enough to drain any water that may be drawn towards the eaves. To prevent the plastic panel from being pulled out, projecting parts are attached to the upper leg in the area of the second insulation panel, which act as barbs.
In einer anderen Ausführungsform wird über den Fugen - insbesondere in Richtung der Fallinie - ein flacher Streifen aus flexibler Folie bzw. extrudierten Profil auf der Oberfläche der wasserdichten Dämmplatten angebracht und vorzugsweise mit einem Selbstkleber befestigt. Die erforderliche Dampfdurchlässigkeit, die in Form einer diffusionsäquivalenten-Luftschichtdicke sd = µ.s. mit Wasserdampf-Diffusionswiderstandszahl µ und Probendicke s gemessen wird (DIN 52 615 Bl1) wird durch eine diffusionsoffene Folie sd < 1,8 m oder durch punktförmige Befestigung an Erhebungen in Form von Rillen und Noppen bewerkstelligt, wobei letztere ein Eindringen des Wasser nicht zu lassen, aber ein Entweichen des Dampfes erlauben.In another embodiment, a flat strip of flexible film or extruded profile is applied over the joints - in particular in the direction of the fall line - on the surface of the waterproof insulation boards and is preferably attached with a self-adhesive. The required vapor permeability, which is in the form of a diffusion-equivalent air layer thickness s d = µ.s. is measured with water vapor diffusion resistance factor µ and sample thickness s (DIN 52 615 B1) using a diffusion-open film s d <1.8 m or by punctiform attachment to elevations in the form of grooves and knobs, the latter not permitting water to penetrate leave, but allow the steam to escape.
Weiter ist es möglich die flexiblen Streifen mit einem Netzwerk oder wasserabweisenden Fasern auszurüsten, die neben der Dampfdurchlässigkeit dem Streifen eine bestimmte Festigkeit geben, so daß ein Reißen bei Verschiebungen der Dämmplatten infolge Temperaturänderung und Schrumpfen nicht eintritt.Furthermore, it is possible to equip the flexible strips with a network or water-repellent fibers which, in addition to the vapor permeability, give the strip a certain strength, so that tearing does not occur when the insulation boards are displaced as a result of temperature changes and shrinkage.
Im Beispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden beschrieben. Es zeigen:
- Fig. 1 Draufsicht auf ein Steildach
- Fig. 2 Schnitt durch ein Steildach
- Fig. 3 Prespektivansicht eines abgewinkelten Streifen
- Fig. 4 Perspektivansicht eines flexiblen Bandes
- Fig. 1 top view of a pitched roof
- Fig. 2 section through a pitched roof
- Fig. 3 perspective view of an angled strip
- Fig. 4 perspective view of a flexible band
In Fig. 1 wird ein Steildach 1 in der Draufsicht gezeigt bei dem die quer angeordneten Dämmplatten 2 aus Polyurethanschaum quer zur Fallinie 3 Fugen 4 bzw. in Richtung der Fallinie 3 besetzte Fugen 5 besitzen. Über den durchgehenden Fugen 4 sind als Streifen abgewinkelte Kunststoff-Platten 6 angeordnet. Die versetzten Fugen 5 werden dagegen durch Streifen in Form von flexiblen Bändern 7 abgedeckt die oben unter und unten über den Kunststoff-Platten 6 enden.In Fig. 1, a steep roof 1 is shown in plan view in which the transversely arranged insulation panels 2 made of polyurethane foam have 3 joints 4 or 3 in the direction of the fall line 3 filled joints 5. Angled plastic plates 6 are arranged as strips over the continuous joints 4. The offset joints 5, on the other hand, are covered by strips in the form of flexible strips 7 which end above and below the plastic plates 6.
In Fig. 2 ist ein Schnitt durch das Steildach 1 gezeichnet indem in der Nut 8 der unteren Dämmplatte 9 die Feder 10 der oberen Dämmplatten 11. Die Dämmplatten 9, 11 aus Polyurethan sind jeweils oben mit einer Alufolie 12 abgedeckt. Die abgewinkelte Kunststoff-Platte 6 liegt mit einem Schenkel 13 insbesondere über Krümmung 14, auf der Alufolie 12, während der andere Schenkel 15 der gegenüber der Fallinie 3 ein um 25° geringeres Gefälle aufweist, in einem Schlitz 16 sitzt, der in einen erweiterten Raum 17 endet, um dort ein vorstehendes Teil 18 aufzunehmen.In Fig. 2 a section through the pitched roof 1 is drawn by the tongue 10 in the groove 8 of the lower insulation board 9 the upper insulation panels 11. The insulation panels 9, 11 made of polyurethane are each covered with an aluminum foil 12 at the top. The angled plastic plate 6 lies with one leg 13, in particular over curvature 14, on the aluminum foil 12, while the other leg 15, which has a slope that is 25 ° lower than the fall line 3, sits in a slot 16 which extends into an enlarged space 17 ends to receive a projecting part 18 there.
In Fig. 3 ist eine abgewinkelte Kunststoffplatte 6 perspektivisch dargestellt. Sie besteht aus einem ersten Schenkel 13 der am Ende zwecks besserer Anlage eine leichte Krümmung 14 nach unten besitzt und einem zweiten Schenkel 15 der mit der gedachten Verlängerung des ersten Schenkels einen Winkel von 25° bildet und zwecks Widerstand gegen Herausziehen in einem vorstehenden Teil 18 in Form eines rechtwinklig angeordneten Schenkels endet.In Fig. 3 an angled plastic plate 6 is shown in perspective. It consists of a first leg 13 which at the end has a slight curvature 14 downwards for better installation and a second leg 15 which forms an angle of 25 ° with the imaginary extension of the first leg and in order to resist pulling out in a projecting part 18 in Shape of a right-angled leg ends.
In Fig. 4 ist ein flexibles Band 7 im Bereich der Auflage mit selbstklebender Fläche 19 in den Randbereichen von einem Drittel der Gesamtbreite versehen, welche bis zum Ausbau mit Ölpapier 20 abgedeckt sind. Ferner sind im rechten Randbereich als Erhebung 21 schräglaufende Rillen 21 für den Abzug des Dampfes vorgesehen.In Fig. 4, a flexible tape 7 is provided in the area of the support with self-adhesive surface 19 in the edge areas of a third of the total width, which are covered with oil paper 20 until removal. Furthermore, inclined grooves 21 are provided as elevation 21 in the right edge region for the removal of the steam.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT87105944T ATE68842T1 (en) | 1986-05-03 | 1987-04-23 | JOINT COVERING. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3615107 | 1986-05-03 | ||
| DE19863615107 DE3615107A1 (en) | 1986-05-03 | 1986-05-03 | JOINT COVER |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0248193A2 EP0248193A2 (en) | 1987-12-09 |
| EP0248193A3 EP0248193A3 (en) | 1990-05-23 |
| EP0248193B1 true EP0248193B1 (en) | 1991-10-23 |
Family
ID=6300164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP87105944A Expired - Lifetime EP0248193B1 (en) | 1986-05-03 | 1987-04-23 | Joint cover |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0248193B1 (en) |
| AT (1) | ATE68842T1 (en) |
| DE (2) | DE3615107A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5312667A (en) * | 1991-05-23 | 1994-05-17 | Malden Mills Industries, Inc. | Composite sweatshirt fabric |
| AT404748B (en) * | 1993-08-13 | 1999-02-25 | Steinbacher Daemmstoff Ges M B | Insulating element |
| GB0329172D0 (en) * | 2003-12-17 | 2004-01-21 | Shaw Jack I D | Breathable insulation material and method of preventing condensation in insulated spaces |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3121649A (en) * | 1961-07-28 | 1964-02-18 | Adsure Inc | Method of installing roof insulation on buildings |
| CH458683A (en) * | 1966-12-06 | 1968-06-30 | Schildkroet Ag | Tape for covering joints |
| AT343326B (en) * | 1976-10-04 | 1978-05-26 | Baier Karl | COVER, IN PARTICULAR FOR FLAT ROOFS |
| GB2125843A (en) * | 1982-08-26 | 1984-03-14 | Coolag Ltd | Seal for insulator panels |
-
1986
- 1986-05-03 DE DE19863615107 patent/DE3615107A1/en not_active Withdrawn
-
1987
- 1987-04-23 AT AT87105944T patent/ATE68842T1/en not_active IP Right Cessation
- 1987-04-23 EP EP87105944A patent/EP0248193B1/en not_active Expired - Lifetime
- 1987-04-23 DE DE8787105944T patent/DE3773998D1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE68842T1 (en) | 1991-11-15 |
| EP0248193A3 (en) | 1990-05-23 |
| EP0248193A2 (en) | 1987-12-09 |
| DE3773998D1 (en) | 1991-11-28 |
| DE3615107A1 (en) | 1987-11-05 |
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