NF P84-140*NF EN 13897:2005 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of waterfightness after stretching at low temperature.
2005NF P84-140*NF EN 13897:2005 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of waterfightness after stretching at low temperature.