The IZOELAST REFLEX AL P4 bitumen waterproofing membrane is made of elastomeric bitumen. It is protected by a fusible polymer film on the bottom and by a layer of schist aggregate on top. It is installed by welding with a 10 cm overlap. It is designed to be used as a vapour barrier in flat roof systems where the vapour barrier is left unprotected and exposed to UV rays for a long period of time. The product complies with SIST EN 13970 and SIST 1031.
Characteristic
- reinforcement: AL + polyester felt
- flexibility at: -15 °C
- flow resistance: 100 °C
- breaking force longitudinal / transverse: >500 N / >400 N
- elongation at break: >2 %
- vapour barrier Sd value: ≥1500 m
