Bitumen membrane as a vapour barrier
The BITALBIT ALV plus bitumen waterproofing membrane is made of elastomeric bitumen. It is protected by a fusible polymer film on both sides. Installation using the welding method. The width of the overlaps should be 10 cm. It is designed to provide a vapour barrier in flat roof systems. It can also be used for waterproofing against soil moisture and as a protection against the ingress of radon gas. The product complies with SIST EN 13970, 13969 (Type A) and SIST 1031.
- reinforcement: Al + glass fabric
- flexibility at: – 15° C
- flow resistance: 100° C
- breaking force longitudinal / transverse: >400 N / >300 N
- elongation at break: >2 %