Starvap D2 is an airtight diffusion-open vapour barrier for roof extensions according to the latest EnEV guidelines. Starvap D2 is used in constructions where a diffusion-open vapour barrier is required. It can be used both in new construction and renovation. Starvap D2 has Fire class E according to DIN EN 13501-1 and a fixed Sd value of 2m according to DIN EN 1931.
