DIN EN 1931:2001 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties; German version EN 1931:2000
The document specifies a method for the determination for the water vapour transmission rate and for the calculation of the water vapour diffusion resistance coefficient of factory made bitumen, thermoplastic and elastomeric sheets used for roof waterproofing.#,,#
DIN EN 1931:2001 history
2001DIN EN 1931:2001-03 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties; German version EN 1931:2000
2001DIN EN 1931:2001 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of water vapour transmission properties; German version EN 1931:2000
2000DIN EN 1928:2000 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of watertightness; German version EN 1928:2000
0000 DIN EN 1931:1995
1986DIN 16726:1986 Plastic roofing felt and waterproofing sheet; testing