EN 1108:1999 Flexible sheets for waterproofing - Bitumen sheets for roof waterproofing - Determination of form stability under cyclical temperature changes
The document specifies the determination of form stability under cyclical temperature changes. It is mainly applicable to metal faced and/or metal cored bitumen sheets fully bonded to a substrate.This test is not intended to be applied to vapour control layers.
EN 1108:1999 history
1999EN 1108:1999 Flexible sheets for waterproofing - Bitumen sheets for roof waterproofing - Determination of form stability under cyclical temperature changes