EP2299021B1 - Roofing membrane - Google Patents

Roofing membrane Download PDF

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Publication number
EP2299021B1
EP2299021B1 EP10176931.3A EP10176931A EP2299021B1 EP 2299021 B1 EP2299021 B1 EP 2299021B1 EP 10176931 A EP10176931 A EP 10176931A EP 2299021 B1 EP2299021 B1 EP 2299021B1
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EP
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Prior art keywords
roofing
sealing sheet
glass
reinforcing
sheet according
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EP10176931.3A
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German (de)
French (fr)
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EP2299021A3 (en
EP2299021A2 (en
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Herr Manfred Wink
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/12—Roof covering by making use of flexible material, e.g. supplied in roll form specially modified, e.g. perforated, with granulated surface, with attached pads
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/141—Fastening means therefor characterised by the location of the fastening means
    • E04D5/142—Fastening means therefor characterised by the location of the fastening means along the edge of the flexible material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/14—Fastening means therefor
    • E04D5/144—Mechanical fastening means
    • E04D5/145—Discrete fastening means, e.g. discs or clips

Definitions

  • the invention relates to a roofing and waterproofing membrane with an insert or reinforcement made of glass fiber fleece, wherein the roofing and sealing membrane for sealing a substrate, such as roof, in an edge region of another roofing and sealing membrane overlapping and mechanically on in this area the pad is fixable, and wherein the glass fiber fleece in the specific area for the mechanical fixation of the roofing and waterproofing edge region has reinforcing threads as a mechanical reinforcing means of the roofing and waterproofing membranes.
  • Roof membranes are, for example, based on plastics produced elastic waterproofing membranes, which are mainly laid on flat roofs and welded.
  • the roofing membranes are subject to high demands, as they are exposed to strong temperature fluctuations, intensive UV radiation, high wind forces and movements of the structure for many years. Since high mechanical loads occur especially in large roofs, roofing membranes are provided with fabric reinforcements.
  • fabrics or scrims made of polyester have been proven.
  • the corresponding polyester fabrics or scrims offer a mechanical stability of the roofing membrane, which is necessary in particular for attachment to eg a roof, however, show the disadvantage that a desired dimensional stability is not always guaranteed to a sufficient extent.
  • a polyester existing grid which is coated with a plastic layer.
  • a non-woven fabric is attached to the underside of the roofing membrane, which may be attached, for example, with the aid of a silicate adhesive.
  • a corresponding roofing membrane meets mechanical and thermal requirements.
  • Subject of the DE-A-199 52 432 is a two- or multi-ply laminate consisting of at least one nonwoven fabric of organic synthetic fibers and a nonwoven fabric of inorganic staple fibers.
  • a flat cover for covering a roof of a building is from the DE-A-100 18 566 known.
  • the cover is formed as a two- or multi-layer composite body and has a thermal barrier layer on the underside and a weather-related cover layer on top.
  • a carrier insert according to DE-A-195 21 838 has at least two reinforcing layers made of organic fibers.
  • a sealing membrane or a floor covering exists after the DE-A-39 41 189 from a carrier based on a nonwoven web.
  • a roof waterproofing membrane of the aforementioned type is the EP-A-0 905 303 refer to.
  • This is a bituminous roofing membrane in which are longitudinally extending bead-like or rib-like projections formed of sand.
  • Bituminous strips that are bendable in a throat shape are used in the WO-A-01/53625 described.
  • the strips have additional metal inserts.
  • a bituminous waterproofing membrane with a carrier insert of a tensile nonwoven is from the DE-U-299 11 125 known.
  • the present invention is based on the object, a roofing and waterproofing sheet of the type mentioned in such a way that it is cost-effective, at the same time ensures a sufficient dimensional stability, provides adequate fire protection and also ensures that mechanical stresses are absorbed, so both by Wind loads occurring as well as those related with the mechanical attachment required on a substrate absorbs.
  • the invention essentially provides that the reinforcing threads are bonded to the glass fleece by means of urea resin or polymer dispersions or to the glass fleece with a binder based on melamine resin, PVA or acrylate.
  • a roofing and sealing membrane is proposed, which is reinforced in particular exclusively in its edge region, in which a mechanical fastening takes place. Therefore, the invention is characterized in particular by the fact that the nonwoven fabric has reinforcing threads exclusively in the edge region intended for the mechanical fixation of the roofing and sealing web.
  • the mechanical loads not necessarily resistant fiber-like fiberglass fabric is reinforced in the areas in which the roofing and waterproofing membrane - hereinafter referred to as roofing membrane - is mounted on the substrate, ie where the roofing membranes are arranged overlapping.
  • the fiber as glass fiber fleece experiences the required mechanical strength, with the result that the roof membranes are fixed in such a way as is done with the known polyester fabrics or -gelegen.
  • a sufficient fire protection is given.
  • the use of the nonwoven fabric ensures a desired dimensional stability.
  • a combination fabric Due to the teachings of the present invention, it is no longer necessary to use a combination fabric to ensure dimensional stability, fire safety, and mechanical strength as required. Rather, compared to a polyester fabric or -gelege a cost-effective glass fiber fleece are used, which is preferably reinforced specifically only in the areas where the mechanical attachment to a substrate, ie in the overlapping area in which the roofing membrane is fixed to the substrate ,
  • the roofing membrane in its central region further reinforcing threads - also referred to below as reinforcing fibers - have, especially if the roofing membrane has widths of more than 150 cm, in particular in the range of 150 and 210 cm.
  • the reinforcing fibers are aligned in the middle region approximately parallel to the edge region, which extends along the longitudinal edge of the roofing membrane.
  • the roofing membrane according to the invention in deviation from the prior art only partially reinforcing threads, and not over the entire surface.
  • 5 to 20 reinforcing fibers extend in the edge and / or center region over a width between preferably 1 cm and 15 cm, in particular over a width to 5 cm, which extend along the longitudinal edge of the roofing membrane and quasi parallel to each other.
  • the distance between 3 reinforcing fibers should be a maximum of 40 mm, preferably 5 mm to 10 mm.
  • the fiber as the glass fiber fleece should have a basis weight between 35 g / m 2 and 90 g / m 2 , in particular between 50 g / m 2 to 70 g / m 2 , so that conventional materials, the roofing membranes for fire protection and dimensional stability be used, can be used.
  • the diameter of the glass fiber of the glass fiber fleece should be between 10 ⁇ m and 20 ⁇ m, in particular between 13 ⁇ m and 16 ⁇ m. This ensures that the Composite can be produced between the individual layers of the roofing and waterproofing membrane.
  • the reinforcing fibers can be produced during the production of the nonwoven fabric. However, it is also possible to retrofit the reinforcing fibers in the desired areas, e.g. by gluing or fusing with the non-woven fabric to connect. In particular, it is provided that the reinforcing threads, based on the thickness of the nonwoven, run approximately centrally within this.
  • polyester threads are that they can achieve a significantly higher mechanical strength compared to glass threads. This can be proven by a nail breakage test.
  • roofing membranes are used, which must meet the requirements in terms of strong temperature fluctuations, intense UV radiation, high wind forces and movements on the building.
  • bituminous roofing membranes or those made of plastic are used.
  • flexible copolymerized plastics such as ethylene-vinyl acetate copolymer (VAE) used.
  • VAE ethylene-vinyl acetate copolymer
  • Corresponding roofing membranes are arranged overlapping and can be welded or connected by cold bonding.
  • roofing membranes 10, 12 existing roof cover can be seen.
  • corresponding roofing membranes 10, 12 are shown in the cutout, which are arranged overlapping in a region 14 and then mechanically connected via fastening means 16 such as screws with a substrate such as a roof 18.
  • the roofing and sealing webs 10, 12 have at least outer layers 20, 21 or 22, 23 and an insert or reinforcement 24, 26 consisting of glass fleece.
  • the outer layers 20, 21, 22, 23 are made of suitable materials on particular bitumen or plastic base, wherein preferably soft PVC is to be named as the basis.
  • each longitudinal edge region of the glass fiber webs 24, 26 has corresponding reinforcing fibers 30, 32.
  • the reinforcing fibers 30, 32 extend across a width corresponding to the overlap area 24, which is usually in the range of 5 cm-10 cm.
  • the upper roofing membrane 22 overlaps the edge region of the lower roofing membrane 20, which is penetrated by the fastening means 16, 38.
  • roof sheets 10, 12 are used, ie those having widths of between 150 and 210 cm, then further reinforcing threads or fibers 40, 42 can be provided not only in the edge region, but also in the middle region of each roof sheet 10, 12 , which extend along, ie parallel or approximately to the extending in the edge region 14 reinforcing fibers 30, 32.
  • the reinforcing fibers 30, 32, 40, 42 are polyerster threads which are either inserted into the glass fleece 24, 26 or attached to the lower or upper side.
  • the fibers of the glass fiber fleece 24, 26 should each have a diameter between 10 .mu.m and 20 .mu.m, preferably between 13 .mu.m and 16 .mu.m.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Nonwoven Fabrics (AREA)
  • Tents Or Canopies (AREA)

Description

Die Erfindung bezieht sich auf eine Dach- und Dichtungsbahn mit einer Einlage bzw. Verstärkung aus Glasfaservlies, wobei die Dach- und Dichtungsbahn zum Abdichten einer Unterlage, wie Dach, in einem Randbereich von einer weiteren Dach- und Dichtungsbahn überlappbar und in diesem Bereich mechanisch auf der Unterlage fixierbar ist, und wobei das Glasfaservlies in dem für die mechanische Fixierung der Dach- und Dichtungsbahnen bestimmten Randbereich Verstärkungsfäden als mechanisches Verstärkungsmittel der Dach- und Dichtungsbahnen aufweist.The invention relates to a roofing and waterproofing membrane with an insert or reinforcement made of glass fiber fleece, wherein the roofing and sealing membrane for sealing a substrate, such as roof, in an edge region of another roofing and sealing membrane overlapping and mechanically on in this area the pad is fixable, and wherein the glass fiber fleece in the specific area for the mechanical fixation of the roofing and waterproofing edge region has reinforcing threads as a mechanical reinforcing means of the roofing and waterproofing membranes.

Dachbahnen sind zum Beispiel auf der Basis von Kunststoffen hergestellte elastische Abdichtungsbahnen, die vorwiegend auf Flachdächern verlegt und verschweißt werden. Die Dachbahnen unterliegen hohen Anforderungen, da diese für viele Jahre starken Temperaturschwankungen, intensiver UV-Strahlung, hohen Windkräften und Bewegungen des Baukörpers ausgesetzt sind. Da insbesondere bei großflächigen Dächern hohe mechanische Belastungen auftreten, werden Dachbahnen mit Gewebeverstärkungen versehen. Dabei haben sich insbesondere Gewebe oder Gelege aus Polyester bewährt. Die entsprechenden Polyestergewebe bzw. -gelege bieten zwar eine mechanische Stabilität der Dachbahn, die insbesondere für die Befestigung auf z.B. einem Dach notwendig ist, zeigen jedoch den Nachteil, dass eine gewünschte Dimensionsstabilität nicht immer im hinreichenden Umfang gewährleistet ist. Um zum einen diese sicherzustellen und zum anderen einen Brandschutz zu bieten, ist es bekannt, ein so genanntes Kombinationsgewebe bzw. -gelege zu verwenden, in dem das Polyestergewebe bzw. -gelege mit dem Glasfaservlies kombiniert wird.Roof membranes are, for example, based on plastics produced elastic waterproofing membranes, which are mainly laid on flat roofs and welded. The roofing membranes are subject to high demands, as they are exposed to strong temperature fluctuations, intensive UV radiation, high wind forces and movements of the structure for many years. Since high mechanical loads occur especially in large roofs, roofing membranes are provided with fabric reinforcements. In particular, fabrics or scrims made of polyester have been proven. Although the corresponding polyester fabrics or scrims offer a mechanical stability of the roofing membrane, which is necessary in particular for attachment to eg a roof, however, show the disadvantage that a desired dimensional stability is not always guaranteed to a sufficient extent. In order to ensure this on the one hand and on the other hand to provide fire protection, it is known to use a so-called combination fabric or -gelege in which the polyester fabric or -gelege is combined with the glass fiber fleece.

Für eine Dachbahn nach der DE-U-200 12 225 wird als Verstärkungsmittel ein aus Polyester bestehendes Gitter benutzt, das mit einer Kunststoffschicht umhüllt ist. Ferner wird ein Faservlies auf der Unterseite der Dachbahn befestigt, das z.B. mit Hilfe eines Silikatklebers befestigt sein kann. Eine entsprechende Dachbahn erfüllt mechanische und thermische Anforderungen.For a roofing membrane after the DE-U-200 12 225 is used as a reinforcing agent, a polyester existing grid, which is coated with a plastic layer. Furthermore, a non-woven fabric is attached to the underside of the roofing membrane, which may be attached, for example, with the aid of a silicate adhesive. A corresponding roofing membrane meets mechanical and thermal requirements.

Aus der DE-A-10 2005 039 543 ist eine Dachabdichtungsbahn mit einem Träger aus einem Glasvlies bekannt, in dem in Längsrichtung unter gegenseitigem Abstand aus Glasseide bestehende Fäden verlaufen.From the DE-A-10 2005 039 543 is a roof waterproofing membrane with a carrier of a glass fleece known in which run in the longitudinal direction at a mutual distance of glass fiber existing threads.

Gegenstand der DE-A-199 52 432 ist ein zwei- oder mehrlagiger Schichtstoff, der aus mindestens einem Vlies aus organischen synthetischen Fasern und einem Vlies aus anorganischen Stapelfasern besteht.Subject of the DE-A-199 52 432 is a two- or multi-ply laminate consisting of at least one nonwoven fabric of organic synthetic fibers and a nonwoven fabric of inorganic staple fibers.

Ein flächiges Abdeckelement zum Abdecken eines Daches eines Gebäudes ist aus der DE-A-100 18 566 bekannt. Das Abdeckelement ist als zwei- oder mehrlagiger Verbundkörper ausgebildet und weist unterseitig eine Wärmedämmschicht und oberseitig eine witterungsbedingte Abdeckschicht auf.A flat cover for covering a roof of a building is from the DE-A-100 18 566 known. The cover is formed as a two- or multi-layer composite body and has a thermal barrier layer on the underside and a weather-related cover layer on top.

Eine Trägereinlage gemäß der DE-A-195 21 838 weist mindestens zwei Verstärkungsschichten auf, die aus organischen Fasern bestehen.A carrier insert according to DE-A-195 21 838 has at least two reinforcing layers made of organic fibers.

Eine Dichtungsmembran oder ein Bodenbelag besteht nach der DE-A-39 41 189 aus einem Träger auf der Basis eines nichtgewebten Vlieses.A sealing membrane or a floor covering exists after the DE-A-39 41 189 from a carrier based on a nonwoven web.

Eine Dachabdichtungsbahn zuvor genannter Art ist der EP-A-0 905 303 zu entnehmen. Hierbei handelt es sich um eine bituminöse Dachbahn, in der in Längsrichtung verlaufende wulst- oder rippenartige Vorsprünge verlaufen, die aus Sand gebildet sind.A roof waterproofing membrane of the aforementioned type is the EP-A-0 905 303 refer to. This is a bituminous roofing membrane in which are longitudinally extending bead-like or rib-like projections formed of sand.

Bituminöse Streifen, die in einer Kehlform biegbar sind, werden in der WO-A-01/53625 beschrieben. Die Streifen weisen zusätzliche Metalleinlagen auf.Bituminous strips that are bendable in a throat shape are used in the WO-A-01/53625 described. The strips have additional metal inserts.

Eine bituminöse Dachabdichtungsbahn mit einer Trägereinlage aus einem zugfesten Vlies ist aus der DE-U-299 11 125 bekannt.A bituminous waterproofing membrane with a carrier insert of a tensile nonwoven is from the DE-U-299 11 125 known.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, eine Dach- und Dichtungsbahn der eingangs genannten Art so weiterzubilden, dass diese kostengünstig ist, gleichzeitig eine hinreichende Dimensionsstabilität sicherstellt, einen hinreichenden Brandschutz bietet und zudem gewährleistet, dass mechanische Belastungen aufgenommen werden, also sowohl die durch Windlasten auftretende als auch die im Zusammenhang mit der mechanischen Befestigung auf einer Unterlage benötigten aufnimmt.The present invention is based on the object, a roofing and waterproofing sheet of the type mentioned in such a way that it is cost-effective, at the same time ensures a sufficient dimensional stability, provides adequate fire protection and also ensures that mechanical stresses are absorbed, so both by Wind loads occurring as well as those related with the mechanical attachment required on a substrate absorbs.

Zur Lösung der Aufgabe sieht die Erfindung im Wesentlichen vor, dass die Verstärkungsfäden mit dem Glasvlies mittels Harnstoffharz oder Polymerdispersionen oder mit dem Glasvlies mit einem Binder auf der Basis von Melaminharz, PVA oder Acrylat verbunden sind.To achieve the object, the invention essentially provides that the reinforcing threads are bonded to the glass fleece by means of urea resin or polymer dispersions or to the glass fleece with a binder based on melamine resin, PVA or acrylate.

Erfindungsgemäß wird eine Dach- und Dichtungsbahn vorgeschlagen, die insbesondere ausschließlich in ihrem Randbereich verstärkt ist, in dem eine mechanische Befestigung erfolgt. Daher zeichnet sich die Erfindung insbesondere dadurch aus, dass das Faservlies ausschließlich in dem für die mechanische Fixierung der Dach- und Dichtungsbahn bestimmten Randbereich Verstärkungsfäden aufweist.According to the invention, a roofing and sealing membrane is proposed, which is reinforced in particular exclusively in its edge region, in which a mechanical fastening takes place. Therefore, the invention is characterized in particular by the fact that the nonwoven fabric has reinforcing threads exclusively in the edge region intended for the mechanical fixation of the roofing and sealing web.

Erfindungsgemäß wird das mechanischen Belastungen nicht zwingend standhaltende Faser- wie Glasfaservlies in den Bereichen verstärkt, in denen die Dach- und Dichtungsbahn - nachstehend vereinfacht Dachbahn genannt - auf der Unterlage befestigt wird, also dort, wo die Dachbahnen überlappend angeordnet werden. Hierdurch erfährt das Faser- wie Glasfaservlies die erforderliche mechanische Festigkeit mit der Folge, dass die Dachbahnen derart fixierbar sind, wie dies mit den bekannten Polyestergeweben oder -gelegen erfolgt. Gleichzeitig ist ein hinreichender Brandschutz gegeben. Ferner ist durch die Verwendung des Faservlieses eine gewünschte Dimensionsstabilität sichergestellt.According to the invention, the mechanical loads not necessarily resistant fiber-like fiberglass fabric is reinforced in the areas in which the roofing and waterproofing membrane - hereinafter referred to as roofing membrane - is mounted on the substrate, ie where the roofing membranes are arranged overlapping. As a result, the fiber as glass fiber fleece experiences the required mechanical strength, with the result that the roof membranes are fixed in such a way as is done with the known polyester fabrics or -gelegen. At the same time a sufficient fire protection is given. Furthermore, the use of the nonwoven fabric ensures a desired dimensional stability.

Aufgrund der erfindungsgemäßen Lehre ist es nicht mehr erforderlich, ein Kombinationsgewebe bzw. -gelege zu verwenden, um Dimensionsstabilität, Brandschutz und mechanische Festigkeit im erforderlichen Umfang sicherzustellen. Vielmehr kann im Vergleich zu einem Polyestergewebe bzw. -gelege ein kostengünstiges Glasfaservlies benutzt werden, das vorzugsweise gezielt ausschließlich in den Bereichen verstärkt wird, in denen die mechanische Befestigung mit einer Unterlage erfolgt, d. h. im Überlappungsbereich, in dem die Dachbahn auf der Unterlage fixiert wird.Due to the teachings of the present invention, it is no longer necessary to use a combination fabric to ensure dimensional stability, fire safety, and mechanical strength as required. Rather, compared to a polyester fabric or -gelege a cost-effective glass fiber fleece are used, which is preferably reinforced specifically only in the areas where the mechanical attachment to a substrate, ie in the overlapping area in which the roofing membrane is fixed to the substrate ,

Ergänzend kann die Dachbahn in ihrem Mittenbereich weitere Verstärkungsfäden - auch nachstehend Verstärkungsfasern genannt - aufweisen, insbesondere dann, wenn die Dachbahn Breiten von mehr als 150 cm, insbesondere im Bereich von 150 und 210 cm aufweist. Dabei verlaufen die Verstärkungsfasern im Mittenbereich ausgerichtet in etwa parallel zum Randbereich, der sich entlang dem Längsrand der Dachbahn erstreckt.In addition, the roofing membrane in its central region further reinforcing threads - also referred to below as reinforcing fibers - have, especially if the roofing membrane has widths of more than 150 cm, in particular in the range of 150 and 210 cm. In this case, the reinforcing fibers are aligned in the middle region approximately parallel to the edge region, which extends along the longitudinal edge of the roofing membrane.

Unabhängig davon, ob die Verstärkungsfäden ausschließlich im Randbereich oder sowohl im Randbereich als auch im Mittenbereich verlaufen, weist die erfindungsgemäße Dachbahn in Abweichung vom Stand der Technik nur partiell Verstärkungsfäden auf, und nicht über die gesamte Fläche.Regardless of whether the reinforcing threads extend exclusively in the edge region or both in the edge region and in the middle region, the roofing membrane according to the invention, in deviation from the prior art only partially reinforcing threads, and not over the entire surface.

In Weiterbildung der Erfindung wird vorgeschlagen, dass im Rand- und/oder Mittenbereich über eine Breite zwischen vorzugsweise 1 cm und 15 cm, insbesondere über eine Breite bis 5 cm 5 bis 20 Verstärkungsfasern verlaufen, die sich entlang des Längsrandes der Dachbahn erstrecken und quasi parallel zueinander verlaufen. Dabei sollte der Abstand zwischen 3 Verstärkungsfasern maximal 40 mm, vorzugsweise 5 mm bis 10 mm, betragen. Durch diese Abstandsmaße ist sichergestellt, dass zwischen den Schrauben oder Nägeln, um die Dachbahnen auf der Unterlage zu befestigen, und der Unterlage zumindest 3 Verstärkungsfasern verlaufen, wodurch die gewünschte mechanische Verstärkung sichergestellt ist, um auch bei hohen Windlasten sicherzustellen, dass ein Ausreißen der Dachbahn unterbleibt. Die Schrauben oder Nägel durchsetzen ihrerseits Platten oder Teller, die außenseitig auf der oberen äußeren Lage der Dachbahn aufliegen.In a further development of the invention it is proposed that 5 to 20 reinforcing fibers extend in the edge and / or center region over a width between preferably 1 cm and 15 cm, in particular over a width to 5 cm, which extend along the longitudinal edge of the roofing membrane and quasi parallel to each other. The distance between 3 reinforcing fibers should be a maximum of 40 mm, preferably 5 mm to 10 mm. These distance dimensions ensure that between the screws or nails to secure the roofing sheets to the substrate and the backing at least 3 reinforcing fibers, whereby the desired mechanical reinforcement is ensured to ensure that even at high wind loads that a ripping of the roofing membrane omitted. The screws or nails in turn enforce plates or plates, which rest on the outside on the upper outer layer of the roofing membrane.

Das Faser- wie das Glasfaservlies sollte ein Flächengewicht zwischen 35 g/m2 und 90 g/m2 aufweisen, insbesondere zwischen 50 g/m2 bis 70 g/m2, so dass übliche Materialien, die bei Dachbahnen zum Brandschutz und zur Dimensionsstabilität zum Einsatz gelangen, Verwendung finden können.The fiber as the glass fiber fleece should have a basis weight between 35 g / m 2 and 90 g / m 2 , in particular between 50 g / m 2 to 70 g / m 2 , so that conventional materials, the roofing membranes for fire protection and dimensional stability be used, can be used.

Der Durchmesser der Glasfaser des Glasfaservlieses sollte zwischen 10 µm und 20 µm, insbesondere zwischen 13 µm und 16 µm liegen. Hierdurch ist sichergestellt, dass der Verbund zwischen den einzelnen Schichten der Dach- und Dichtungsbahn hergestellt werden kann.The diameter of the glass fiber of the glass fiber fleece should be between 10 μm and 20 μm, in particular between 13 μm and 16 μm. This ensures that the Composite can be produced between the individual layers of the roofing and waterproofing membrane.

Die Verstärkungsfasern können bei der Herstellung des Faservlieses mit hergestellt werden. Es besteht jedoch auch die Möglichkeit, die Verstärkungsfasern nachträglich in den gewünschten Bereichen, z.B. mittels Klebens oder Verschmelzens mit dem Faservlies zu verbinden. Insbesondere ist vorgesehen, dass die Verstärkungsfäden bezogen auf die Dicke des Vlieses in etwa mittig innerhalb von diesem verlaufen.The reinforcing fibers can be produced during the production of the nonwoven fabric. However, it is also possible to retrofit the reinforcing fibers in the desired areas, e.g. by gluing or fusing with the non-woven fabric to connect. In particular, it is provided that the reinforcing threads, based on the thickness of the nonwoven, run approximately centrally within this.

Zur bevorzugten Dimensionierung der Verstärkungsfasern ist Folgendes auszuführen:

  • In der Textilindustrie wird üblicherweise das Maß dtex (Decitex) verwendet. Diese Maßeinheit Decitex oder dtex steht für das Gewicht in Gramm bei 10.000 Faserlänge. Je höher die dtex-Zahl, desto größer ist der Durchmesser der Polyester-Faser. Es können Randverstärkungsfäden zwischen 400 dtex und 1500 dtex, bei Polyesterfäden bevorzugt zwischen 550 dtex und 1100 dtex eingesetzt werden.
For the preferred dimensioning of the reinforcing fibers, the following is to be carried out:
  • In the textile industry, the dimension dtex (decitex) is usually used. This unit of measure Decitex or dtex stands for the weight in grams at 10,000 fiber length. The higher the dtex number, the larger the diameter of the polyester fiber. It can edge reinforcing threads between 400 dtex and 1500 dtex, polyester threads are preferably used between 550 dtex and 1100 dtex.

Der Vorteil der Polyesterfäden liegt darin, dass hiermit im Vergleich zu Glasfäden eine deutlich höhere mechanische Festigkeit erzielbar ist. Dies kann durch einen Nagelausreißversuch belegt werden.The advantage of the polyester threads is that they can achieve a significantly higher mechanical strength compared to glass threads. This can be proven by a nail breakage test.

Aufgrund der erfindungsgemäßen Ausbildung eines Verstärkungsrandes eines Faservlieses, die zwischen Lagen einer Dachbahn verläuft, werden Dachbahnen zur Verfügung gestellt, die eine hohe Dimensionsstabilität und einen hinreichenden Brandschutz gewährleisten und zudem hohen Windkräften standhalten.Due to the inventive design of a reinforcing edge of a nonwoven fabric that runs between layers of a roofing membrane roofing membranes are provided that ensure high dimensional stability and adequate fire protection and also withstand high wind forces.

Weitere Einzelheiten, Vorteile und Merkmale der Erfindung ergeben sich nicht nur aus den Ansprüchen, den diesen zu entnehmenden Merkmalen - für sich und/oder in Kombination -, sondern auch aus der nachfolgenden Beschreibung eines der Zeichnung zu entnehmenden Ausführungsbeispiels.For more details, advantages and features of the invention will become apparent not only from the claims, the features to be taken these features - alone and / or in combination - but also from the following description of the drawing to be taken embodiment.

Es zeigen:

Fig. 1
eine Draufsicht auf eine auf einem Dach befestigte Dachbahn und
Fig. 2
einen Schnitt entlang der Linie II - II in Fig. 1.
Show it:
Fig. 1
a plan view of a roof mounted on a roof membrane and
Fig. 2
a section along the line II - II in Fig. 1 ,

Um insbesondere Flachdächer abzudichten, werden Dachbahnen verwendet, die den Anforderungen in Bezug auf starke Temperaturschwankungen, intensiver UV-Strahlung, hohen Windkräften und Bewegungen am Baukörper genügen müssen. Hierzu werden bituminöse Dachbahnen oder solche aus Kunststoff verwendet. Für letztere werden z.B. flexible copolymerisierte Kunststoffe wie Ethylen-Vinylacetat-Copolymer (VAE) eingesetzt. Entsprechende Dachbahnen werden überlappend angeordnet und können verschweißt oder durch Kaltverklebung verbunden sein.In order to seal in particular flat roofs, roofing membranes are used, which must meet the requirements in terms of strong temperature fluctuations, intense UV radiation, high wind forces and movements on the building. For this purpose, bituminous roofing membranes or those made of plastic are used. For the latter, e.g. flexible copolymerized plastics such as ethylene-vinyl acetate copolymer (VAE) used. Corresponding roofing membranes are arranged overlapping and can be welded or connected by cold bonding.

Den Figuren ist rein prinzipiell eine aus Dachbahnen 10, 12 bestehende Dachabdeckung zu entnehmen. In der Fig. sind entsprechende Dachbahnen 10, 12 im Ausschnitt dargestellt, die in einem Bereich 14 überlappend angeordnet und sodann über Befestigungsmittel 16 wie Schrauben mit einer Unterlage wie einem Dach 18 mechanisch verbunden werden.The figures is purely in principle from roofing membranes 10, 12 existing roof cover can be seen. In the figure, corresponding roofing membranes 10, 12 are shown in the cutout, which are arranged overlapping in a region 14 and then mechanically connected via fastening means 16 such as screws with a substrate such as a roof 18.

Die Dach- und Dichtungsbahnen 10, 12 weisen zumindest äußere Lagen 20, 21 bzw. 22, 23 sowie eine aus Glasvlies bestehende Einlage bzw. Verstärkung 24, 26 auf. Die äußeren Lagen 20, 21, 22, 23 bestehen aus geeigneten Materialien auf insbesondere Bitumen- oder Kunststoffbasis, wobei bevorzugt Weich-PVC als Basis zu nennen ist.The roofing and sealing webs 10, 12 have at least outer layers 20, 21 or 22, 23 and an insert or reinforcement 24, 26 consisting of glass fleece. The outer layers 20, 21, 22, 23 are made of suitable materials on particular bitumen or plastic base, wherein preferably soft PVC is to be named as the basis.

Zumindest das Glasfaservlies der im Überlappungsbereich unten liegenden Dachbahn 20, also im Ausführungsbeispiel das Glasfaservlies 24, weist im Überlappungsbereich 14 der Dachbahnen 10, 12 entlang des Längsrandes 28 verlaufende Verstärkungsfäden bzw. -fasern 30, 32 auf, durch die die erforderliche mechanische Festigkeit erzielt wird, damit insbesondere bei hohen Windlasten das Glasfaservlies 24 den mechanischen Beanspruchungen standhält und somit nicht ausreißen kann. Vorzugsweise weist jeder Längsrandbereich der Glasfaservliese 24, 26 entsprechende Verstärkungsfasern 30, 32 auf. Die Verstärkungsfasern 30, 32 erstrecken sich über eine Breite entsprechend dem Überlappungsbereich 24, der üblicherweise im Bereich von 5 cm -10 cm liegt.At least the glass-fiber fleece of the roofing web 20 located in the overlapping area below, that is to say the glass-fiber fleece 24 in the exemplary embodiment, points in the overlapping area 14 of the roofing membranes 10, 12 along the longitudinal edge 28 extending reinforcing threads or fibers 30, 32, through which the required mechanical strength is achieved so that especially at high wind loads the fiberglass fabric 24 can withstand the mechanical stresses and thus can not tear. Preferably, each longitudinal edge region of the glass fiber webs 24, 26 has corresponding reinforcing fibers 30, 32. The reinforcing fibers 30, 32 extend across a width corresponding to the overlap area 24, which is usually in the range of 5 cm-10 cm.

Die obere Dachbahn 22 überlappt den Randbereich der unteren Dachbahn 20, der von dem Befestigungsmittel 16, 38 durchsetzt ist.The upper roofing membrane 22 overlaps the edge region of the lower roofing membrane 20, which is penetrated by the fastening means 16, 38.

Gelangen relativ breite Dachbahnen 10, 12 zum Einsatz, also solche, die Breiten zwischen 150 und 210 cm aufweisen, so können nicht nur im Randbereich, sondern auch im Mittenbereich einer jeden Dachbahn 10, 12 weitere Verstärkungsfäden bzw. -fasern 40, 42 vorgesehen sein, die sich entlang, also parallel oder in etwa zu den im Randbereich 14 verlaufenden Verstärkungsfasern 30, 32 erstrecken.If relatively wide roof sheets 10, 12 are used, ie those having widths of between 150 and 210 cm, then further reinforcing threads or fibers 40, 42 can be provided not only in the edge region, but also in the middle region of each roof sheet 10, 12 , which extend along, ie parallel or approximately to the extending in the edge region 14 reinforcing fibers 30, 32.

Die Verstärkungsfasern 30, 32, 40, 42 sind Polyersterfäden, die entweder in das Glasvlies 24, 26 hineingelegt oder an dessen Unter- bzw. Oberseite befestigt sind.The reinforcing fibers 30, 32, 40, 42 are polyerster threads which are either inserted into the glass fleece 24, 26 or attached to the lower or upper side.

Die Fasern des Glasfaservlieses 24, 26 sollten jeweils einen Durchmesser zwischen 10 µm und 20 µm, vorzugsweise zwischen 13 µm und 16 µm aufweisen.The fibers of the glass fiber fleece 24, 26 should each have a diameter between 10 .mu.m and 20 .mu.m, preferably between 13 .mu.m and 16 .mu.m.

Claims (11)

  1. Roofing and sealing sheet (10, 12) having an inlay or reinforcement of glass-fibre matting (24, 26), where said roofing and sealing sheet can, for sealing of a base surface (18) such as a roof, be overlapped in an edge area (14) by a further roofing and sealing sheet and mechanically fixed on the base surface in that area, and where
    the glass-fibre matting (24, 26) in the edge area (14) intended for mechanical fixing of the roofing and sealing sheets (10, 12) has reinforcing threads (30, 32, 40, 42) as mechanical reinforcing means for the roofing and sealing sheets, wherein
    the reinforcing threads (30, 32) are connected to the glass-fibre matting (24, 26) by means of urea resin or polymeric dispersions, or
    to the glass fibre matting (24, 26) by a binder on the basis of melamine resin, PVA or acrylate.
  2. Roofing and sealing sheet according to claim 1,
    wherein
    the glass-fibre matting (24, 26) has a surface weight of between 35 g/m2 and 90 g/m2, in particular between 50 g/m2 and 70 g/m2.
  3. Roofing and sealing sheet according to claim 1 or 2,
    wherein
    said roofing and sealing sheet (10, 12) has further reinforcing threads (40, 42) either exclusively in the edge area (14) or edge areas, or both in the edge area and in its central area.
  4. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the reinforcing threads (30, 32, 40, 42) extend in, on and/or under the glass-fibre matting (24, 26) over a width b of the sealing sheet (20, 22), where 1 cm ≤ b ≤ 15 cm, in particular a width of 5 cm.
  5. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the reinforcing threads (30, 32, 40, 42) are incorporated in the middle or approximately in the middle of the glass-fibre matting (24, 26).
  6. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the reinforcing fibres (30, 32, 40, 42) are connected to the glass-fibre matting (24, 26) on its underside and/or its upper side, for example bonded or fused thereto.
  7. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the reinforcing fibres (30, 32, 40, 42) are aligned along the longitudinal edge (28) of said roofing and sealing sheet (10, 12).
  8. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    at least five reinforcing fibres (30, 32, 40, 42) extend in the edge area and/or central area (14) of said roofing and sealing sheet (10, 12) in each case, where between five and 20 reinforcing threads (30, 32, 40, 42) extend in the edge area and/or central area (14) of the roofing and sealing sheet (10, 12).
  9. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    at least three reinforcing threads (30, 32) have a spacing A, where A ≤ 40 mm, in particular A ≤ 10 mm, and preferably 5 mm ≤ A ≤ 10 mm.
  10. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the reinforcing threads (30, 32) in the form of polyester threads have a weight between 400 dtex and 1500 dtex, in particular between 550 dtex and 1100 dtex.
  11. Roofing and sealing sheet according to at least one of the preceding claims,
    wherein
    the thread of the glass-fibre matting (24, 26) has a diameter between 10 µm and 20 µm, in particular between 13 µm and 16 µm.
EP10176931.3A 2009-09-15 2010-09-15 Roofing membrane Active EP2299021B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009044008 2009-09-15
DE102009044371A DE102009044371A1 (en) 2009-09-15 2009-10-30 roofing membrane

Publications (3)

Publication Number Publication Date
EP2299021A2 EP2299021A2 (en) 2011-03-23
EP2299021A3 EP2299021A3 (en) 2013-05-29
EP2299021B1 true EP2299021B1 (en) 2016-12-21

Family

ID=43017131

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EP10176931.3A Active EP2299021B1 (en) 2009-09-15 2010-09-15 Roofing membrane

Country Status (2)

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EP (1) EP2299021B1 (en)
DE (1) DE102009044371A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3378623B1 (en) 2017-03-20 2023-08-02 Lucobit AG Thermochromatic seal components
DE102017131197B3 (en) * 2017-12-22 2019-06-19 Icopal Danmark ApS geomembrane

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640288B1 (en) * 1988-12-13 1993-06-18 Rhone Poulenc Fibres NON-WOVEN TABLECLOTH SUPPORT IN CHEMICAL TEXTILE AND METHOD OF MANUFACTURING THE SAME
DE19521838A1 (en) * 1995-06-16 1996-12-19 Hoechst Trevira Gmbh & Co Kg Supporting liner for roofing and sealing strip with high tensile strength
DE19743155A1 (en) * 1997-09-30 1999-04-01 Icopal Siplast Gmbh Bituminous roofing membrane
DE29911125U1 (en) * 1999-06-25 1999-12-30 Icopal GmbH, 59368 Werne Bituminous roofing membrane
DE19952432B4 (en) * 1999-10-30 2004-10-07 Johns Manville International, Inc., Denver laminate
DE19945734B4 (en) 1999-09-23 2004-09-16 Hirler Gmbh Roofing membrane for sealing flat roofs and flat pitched roofs and method for producing a roofing membrane
DE10018566A1 (en) * 1999-10-06 2001-05-23 Ralf Pfreundschuh Flat covering element for covering the roof of a building
DE10002428A1 (en) * 2000-01-20 2001-07-26 Kloeber Gmbh & Co Kg Strip for bending into roof valley strip comprises thin bitumen underbody layer which in overlapping joining area of two strips can be melted onto metal strip
DE20012256U1 (en) * 2000-07-14 2000-10-26 Gebo-Armaturen GmbH, 58332 Schwelm Test device for heating or sanitary installations
DE102005039543B4 (en) * 2005-08-22 2007-08-02 Vedag Gmbh Roofing membrane

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EP2299021A3 (en) 2013-05-29
EP2299021A2 (en) 2011-03-23

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