Glass fibre mat and use thereof for built-up roofing

摘要

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 DEG C not more than 5 %. The mat 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.