DE102005039543A1 - Roof sealing sheet, has carrier made from glass fleece, and compound plies made of ethylene co-polymer-bitumen or flexible polyolefin, applied on upper/lower sides of sheet, and threads made from glass fiber run in longitudinal in carrier - Google Patents

Roof sealing sheet, has carrier made from glass fleece, and compound plies made of ethylene co-polymer-bitumen or flexible polyolefin, applied on upper/lower sides of sheet, and threads made from glass fiber run in longitudinal in carrier Download PDF

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Publication number
DE102005039543A1
DE102005039543A1 DE200510039543 DE102005039543A DE102005039543A1 DE 102005039543 A1 DE102005039543 A1 DE 102005039543A1 DE 200510039543 DE200510039543 DE 200510039543 DE 102005039543 A DE102005039543 A DE 102005039543A DE 102005039543 A1 DE102005039543 A1 DE 102005039543A1
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Germany
Prior art keywords
carrier
sheet
glass
threads
fleece
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Granted
Application number
DE200510039543
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German (de)
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DE102005039543B4 (en
Inventor
Andreas Dr. Hörnig
Wilfried Schumacher
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VEDAG GmbH
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VEDAG GmbH
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Priority to DE200510039543 priority Critical patent/DE102005039543B4/en
Publication of DE102005039543A1 publication Critical patent/DE102005039543A1/en
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Publication of DE102005039543B4 publication Critical patent/DE102005039543B4/en
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Classifications

    • 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
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/02—Layered products comprising a layer of bituminous or tarry substances with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B11/00—Layered products comprising a layer of bituminous or tarry substances
    • B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0207—Elastomeric fibres
    • B32B2262/0215—Thermoplastic elastomer fibers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes

Abstract

The sheet has a carrier (12) made from glass fleece, and compound plies (16, 18) made of ethylene co-polymer-bitumen or flexible polyolefin, applied on upper and lower sides of the sheet. Protection films (20, 22) are applied on outer sides of the sheet, and a cemented PES fleece provided on the lower side. Threads (14) made from glass fiber run in the longitudinal under a mutual spacing in the carrier, where the fibers have a constant spacing between one another. The glass fleece has a grammage of 50-80 grams/square meter.

Description

Die Erfindung betrifft eine Dachabdichtungsbahn auf der Grundlage von Kunststoffen, zum Beispiel Ethylencopolymerisat-Bitumen (ECB) oder zum Beispiel flexiblen Polyolefinen (FPO) mit einem Träger aus einem Glasvlies, einem auf dessen Unter- und Oberseite aufgebrachten Compound aus zum Beispiel ECB oder zum Beispiel FPO und gegebenenfalls mit auf deren Außenseiten aufgebrachten Schutzfolien. Zur Verklebung mit dem Untergrund kann unterseitig statt einer Schutzfolie auch ein PES Vlies aufgebracht sein.The The invention relates to a roofing membrane based on Plastics, for example ethylene copolymer bitumen (ECB) or for example, flexible polyolefins (FPO) with a carrier a glass fleece, one applied to the bottom and top Compound of, for example, ECB or, for example, FPO and optionally with on their outsides applied protective films. For bonding with the substrate can on the underside, instead of a protective film, a PES fleece was also applied be.

Eine Dachabdichtungsbahn dieser Art wird unter anderem als einlagige Abdichtung zum Schutz vor Regen und Wetter- und Witterungseinflüssen auf EPS- oder Mineralwolle-Wärmedämmungen verwendet. Bei Verwendung eines ECB Compound enthalten die nach dem Stand der Technik aufgebauten Dachabdichtungsbahnen ein Glasvlies mit einem Flächengewicht von 25 bis 80 g/qm und bei Verwendung eines FPO Compound ein Glasvlies mit einem Flächengewicht 25 bis 150 g/qm. Eine solche Dachabdichtungsbahn muß die durch deutsche und europäische Normen geforderten Brandeigenschaften aufweisen. Zum Prüfen der Brandeigenschaften wird unter anderem ein aus Metallstäben bestehender und mit einem brennbaren Material, wie Holzwolle, gefüllter Korb auf die Dachabdichtungsbahn aufgesetzt. Die Holzwolle oder anderes brennbares Material wird angesteckt, brennt unter Wärmeentwicklung ab und die Dachabdichtungsbahn soll dabei die zum Beispiel nach DIN 4102 Teil 7 geforderten Brandeigenschaften aufweisen. Im allgemeinen weist die nach dem vorstehenden Stand der Technik ausgebildete Dachabdichtungsbahn die geforderten Brandeigenschaften nicht auf. Das Glasvlies sintert nach Abbrennen seines Binders partiell weg und neigt dann verstärkt zur Rißbildung. Nach dem Abbrennen des ECB oder FPO Compound reißt das Glasvlies abschnittweise auf, der Brand schlägt zum Dachunterbau durch und dieser beginnt zu brennen. Zum Vermeiden dieser unzureichenden Brandeigenschaften verwendet man beim Stand der Technik unter anderem Verbundträger aus einem Glasvlies und einem Glasgitter. Diese sind in der Her stellung wesentlich teurer und stellen deshalb beim heutigen Kampf um niedrige Materialkosten oft keine Lösung dar. Nach dem Stand der Technik hat man weiter zusätzlich Glasvliese lose unter der Dachabdichtungsbahn verlegt, um damit im Dachaufbau die geforderten Brandeigenschaften zu erhalten. Auch diese Maßnahme bedeutet höhere Material- und Verlegekosten.A Roof waterproofing membrane of this type is among other things as single-layered Waterproofing for protection against rain and weather and weather conditions on EPS or mineral wool thermal insulation used. If you are using an ECB Compound, they may contain the prior art roofing membranes a glass fleece with a basis weight from 25 to 80 gsm and when using an FPO compound a glass fleece with a basis weight 25 to 150 gsm. Such a roofing membrane must pass through German and European Standards required fire properties. To check the Fire properties will include one consisting of metal rods and with a combustible material, like wood wool, filled basket placed on the roof waterproofing membrane. The wood wool or other flammable material is infected, burns off under heat and the roof waterproofing membrane is intended to be, for example, according to DIN 4102 Part 7 required fire properties. In general has the trained according to the above prior art roofing membrane the required fire properties not on. The glass fleece sinters After burning off his binder partially away and then tends to strengthen Cracking. After burning off the ECB or FPO compound, the glass fleece breaks in sections the fire hits through to the roof substructure and this starts to burn. To avoid This inadequate fire properties are used when standing the technology among other composite carrier of a glass fleece and a glass grid. These are much more expensive to produce and therefore, in today's struggle for low material costs often no solution dar. According to the prior art, one has additionally glass fleeces laid loosely under the waterproofing membrane to allow it in the roof structure to obtain the required fire properties. This measure also means higher Material and installation costs.

Bituminöse Dachbahnen mit Einlagen aus Glasvlies gehören zum Stand der Technik. Es kommt vor, daß diese bei ihrer Herstellung von einem Rand ausgehend einreißen. Bei einem solchen Einreißen wird die Herstellung angehalten und die Risse werden von Hand und mit unangemessen hohem Zeitaufwand geschlossen. Zum Vermeiden eines solchen Einreißens verwendet man mit Glasseidenfäden verstärkte Glasvliese.Bituminous roofing membranes belong with inserts made of glass fleece to the state of the art. It happens that these in their manufacture tear off from one edge. In such a tearing is the production stopped and the cracks are done by hand and with Inappropriately high time expenditure closed. To avoid one such tearing used with glass fiber threads increased Glass mats.

Der Erfindung liegt die Ausbildung einer Kunststoff-Dachdichtungsbahn zu Grunde, die ohne merkbare Erhöhung ihrer Material- und Herstellungskosten die nach DIN geforderten Brandeigenschaften aufweist. Die Lösung für diese Aufgabe ergebt sich in überraschend einfacher Weise durch Verwendung eines Glasvlies-Trägers mit in Längsrichtung verlaufenden Glasseidenfäden. Ein solcher Glasvlies-Träger mit den in Längsrichtung verlaufenden Glasseidenfäden widersteht der nach der DIN geforderten Brandbelastung. Glasvlies-Träger mit in Längsrichtung verlaufenden Glasseidenfäden sind seit Jahrzehnten ein handelsübliches Erzeugnis und werden, wie vorstehend ausgeführt, bei der Herstellung bituminöser Dachbahnen eingesetzt. Trotz der seit Jahren bekannten Suche nach einer Dachabdichtungsbahn der eingangs genannten Gattung mit ausreichenden Brandeigenschaften ist aber noch niemand auf den Gedanken gekommen, deren Glasvlies-Träger mit Längsfäden aus Glasseide auszurüsten. Erst die Erfinder haben das offensichtlich bestehende Vorurteil überwunden und die erfindungsgemäße einfache und kostengünstige Lösung gefunden.Of the Invention is the formation of a plastic roof waterproofing membrane at the bottom, without noticeable increase their material and manufacturing costs required by DIN Has fire properties. The solution to this task emerges in surprising easy way by using a glass fleece carrier with longitudinal running Glasseidenfäden. Such a glass fleece carrier with the longitudinal direction running Glasseidenfäden resists the fire load required by DIN. Glass fleece carrier with longitudinal running Glasseidenfäden have been a commercial product for decades and are, like stated above, in the production bituminous Used roofing membranes. Despite the well-known search for years a roof waterproofing membrane of the type mentioned with sufficient Brand properties, but nobody has ever thought their glass fleece carrier with longitudinal threads off Equip glass fiber. Only the inventors have overcome the obviously existing prejudice and the simple invention and cost-effective solution found.

Die erfindungsgemäße Dachabdichtungsbahn bringt noch einen weiteren Vorteil. Dem sogenannten Halterausriß unterliegt sie weit weniger als die bekannten glasvliesarmierten Dachdichtungsbahnen. Zur mechanischen Fixierung werden diese Bahnen mit Schrauben und unter deren Köpfe gelegten Unterlegscheiben am Dachunterbau befestigt. Bei einer starken Belastung durch Windsog kommt es vor, daß diese aus Schraube und Unterlegscheibe bestehenden Halter die Bahn aufreißen. Man spricht von Halterausriß. Die erfindungsgemäße Bahn hält dagegen auch starken Belastungen durch Windsog stand.The roofing membrane according to the invention brings another advantage. Subject to the so-called Halterausriß they far less than the known glass fleece reinforced roof waterproofing membranes. For mechanical fixation, these tracks with screws and under their heads attached washers attached to the roof base. With a strong Windswept load causes these to consist of screw and washer Holder tear the web. One speaks of Halterausriß. The web of the invention holds against strong winds due to wind suction.

In einer zweckmäßigen Ausführungsform sieht die Erfindung vor, daß die Längsfäden gleichen Abstand voneinander aufweisen. In einer weiteren Ausführungsform ist vorgesehen, daß die Längsfäden unterschiedlichen Abstand voneinander aufweisen. Zweckmäßig weist das Glasvlies eine Grammatur von 25–150 g/qm, vorzugsweise von 50–80 g/qm auf.In sees an expedient embodiment the invention that the Longitudinal threads are the same distance have from each other. In a further embodiment it is provided that the Longitudinal threads different Distance from each other. Suitably, the glass fabric has a Grammage of 25-150 gsm, preferably from 50-80 g / sqm on.

Am Beispiel der in der Zeichnung gezeigten Ausführungsform wird die Erfindung nun weiter beschrieben.At the An example of the embodiment shown in the drawing becomes the invention now described further.

In der Zeichnung ist:In the drawing is:

1 eine perspektivische Ansicht einer erfindungsgemäßen Dachabdichtungsbahn beim Abwickeln von einer Rolle mit einem aufgefächerten Ende und 1 a perspective view of a roof waterproofing membrane according to the invention during unwinding of a roll with a fanned end and

2 ein Schnitt entlang der Schnittlinie II–II in 1. 2 a section along the section line II-II in 1 ,

Die Dachabdichtungsbahn enthält den Träger 12 aus einem Glasvlies mit den in Längsrichtung verlaufenden Fäden 14 aus Glasseide. Beiderseits oder unter- und oberhalb des Trägers 12 liegen die beiden Compound-Lagen 16 und 18 aus ECB oder FPO. Auf deren Außenseiten verlaufen die Schutzfolien 20 und 22. Zur Verklebung mit dem Untergrund kann statt der unterseitigen Schutzfolie 20 auch ein PES Vlies aufkaschiert sein.The roof waterproofing membrane contains the carrier 12 from a glass fleece with the longitudinally extending threads 14 made of glass silk. On both sides or below and above the carrier 12 are the two compound layers 16 and 18 from ECB or FPO. On the outside of the protective films run 20 and 22 , For bonding with the substrate, instead of the lower-side protective film 20 also be a PES fleece laminated.

Claims (4)

Dachabdichtungsbahn auf der Grundlage von Ethylencopolymerisat-Bitumen (ECB) oder flexiblen Polyolefinen (FPO) mit einem Träger aus einem Glasvlies, einem auf dessen Ober- und Unterseite aufgebrachten Compound aus ECB oder FPO und gegebenenfalls auf deren Außenseiten aufgebrachten Schutzfolien oder einem unterseitig aufkaschierten PES Vlies, dadurch gekennzeichnet, daß im Träger (12) in Längsrichtung unter gegenseitigem Abstand aus Glasseide bestehende Fäden (14) verlaufen.Roofing membrane based on ethylene copolymer bitumen (ECB) or flexible polyolefins (FPO) with a carrier made of a glass fleece, a compound of ECB or FPO applied to its top and bottom side and protective films optionally applied on the outside thereof or a PES nonwoven laminated on the underside , characterized in that in the carrier ( 12 ) in the longitudinal direction at a mutual distance of glass fiber existing threads ( 14 ). Dachabdichtungsbahn nach Anspruch 1, dadurch gekennzeichnet, daß die Fäden (14) gleichen Abstand voneinander aufweisen.Roofing membrane according to claim 1, characterized in that the threads ( 14 ) have the same distance from each other. Dachabdichtungsbahn nach Anspruch 1, dadurch gekennzeichnet, daß die Fäden (14) unterschiedlichen Abstand voneinander aufweisen.Roofing membrane according to claim 1, characterized in that the threads ( 14 ) have different distances from each other. Dachabdichtungsbahn nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß das Glasvlies eine Grammatur von 25–150 g/qm, vorzugsweise von 50–80 g/qm aufweist.Roofing membrane according to claim 1 to 3, characterized characterized in that Glass fleece a grammage of 25-150 gsm, preferably from 50-80 g / sqm.
DE200510039543 2005-08-22 2005-08-22 Roofing membrane Revoked DE102005039543B4 (en)

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Application Number Priority Date Filing Date Title
DE200510039543 DE102005039543B4 (en) 2005-08-22 2005-08-22 Roofing membrane

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DE200510039543 DE102005039543B4 (en) 2005-08-22 2005-08-22 Roofing membrane

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DE102005039543B4 DE102005039543B4 (en) 2007-08-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939342A3 (en) * 2006-12-20 2008-09-03 Johns Manville Europe GmbH Reinforcements, method for their manufacture and application thereof
EP2299021A2 (en) 2009-09-15 2011-03-23 Herr Manfred Wink Roofing membrane
DE102019111483A1 (en) * 2019-05-03 2020-11-05 Bmi Group Holdings Uk Limited Cover layer system and method for producing one

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729143A1 (en) * 1987-09-01 1989-03-09 Wolman Gmbh Dr METHOD FOR PRODUCING FIRE PROTECTED SEALING LINES
DE19521838A1 (en) * 1995-06-16 1996-12-19 Hoechst Trevira Gmbh & Co Kg Supporting liner for roofing and sealing strip with high tensile strength
DE19952432A1 (en) * 1999-10-30 2001-06-21 Johns Manville Int Inc Two or three layer laminates of synthetic non-woven fabric and woven glass fabric or scrim, for use in bituminized roofing webs and sealing membranes, in which the layers are bonded by needling and consolidated with a binder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729143A1 (en) * 1987-09-01 1989-03-09 Wolman Gmbh Dr METHOD FOR PRODUCING FIRE PROTECTED SEALING LINES
DE19521838A1 (en) * 1995-06-16 1996-12-19 Hoechst Trevira Gmbh & Co Kg Supporting liner for roofing and sealing strip with high tensile strength
DE19952432A1 (en) * 1999-10-30 2001-06-21 Johns Manville Int Inc Two or three layer laminates of synthetic non-woven fabric and woven glass fabric or scrim, for use in bituminized roofing webs and sealing membranes, in which the layers are bonded by needling and consolidated with a binder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HOLZAPFEL,Walter: Werkstoffkunde für Dach-, Wand- und Abdichtungstechnik. 11., überarb. Aufl. Köln: Rudolf Müller, 2003, S.223 ff., S.272 f., ISBN: 3-481-02025-2 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1939342A3 (en) * 2006-12-20 2008-09-03 Johns Manville Europe GmbH Reinforcements, method for their manufacture and application thereof
EP2299021A2 (en) 2009-09-15 2011-03-23 Herr Manfred Wink Roofing membrane
DE102009044371A1 (en) * 2009-09-15 2011-03-24 Manfred Wink roofing membrane
EP2299021A3 (en) * 2009-09-15 2013-05-29 Herr Manfred Wink Roofing membrane
DE102019111483A1 (en) * 2019-05-03 2020-11-05 Bmi Group Holdings Uk Limited Cover layer system and method for producing one
EP3744519A1 (en) 2019-05-03 2020-12-02 BMI Group Holdings UK Limited Covering system and method for manufacturing the same

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