Glass fibre mat and use thereof for built-up roofing

Details Glass fibre mat and use thereof for built-up roofing Glass fibre mat and use thereof for built-up roofing

D - Textiles, Paper

21

H

D21H 13/40 (2006.01) D04H 1/42 (2006.01) D06N 5/00 (2006.01) D21H 13/24 (2006.01) E04D 5/02 (2006.01) E04D 5/10 (2006.01)

Patent

CA 2398572

The invention concerns a fibre mat useful for forming bituminous membranes, comprising glass fibres, organic fibres and a binder, characterised in that the organic fibres have a shrinking ratio at 130 ·C not more than 5 %. The invention also concerns a bituminous membrane comprising a substrate coated, lined or impregnated with a bituminous matrix, wherein the substrate consists of said mat. The mat and the membrane are useful for roofing and/or waterproofing.

L'invention concerne un voile à base de fibres utilisable pour la constitution de membranes bitumineuses, comprenant des fibres de verre, des fibres organiques et un liant, caractérisé en ce que les fibres organiques ont un taux de retrait à 130~C inférieur ou égal à 5%. L'invention concerne également une membrane bitumineuse comprenant un substrat enduit, revêtu ou imprégné d'une matrice bitumineuse, dans laquelle le substrat est un voile comme ci- dessus. Le voile et la membrane sont utilisables pour la réalisation de couverture et/ou d'étanchéité.

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