Permavent Black is highly breathable value membrane.
Permavent Black is highly breathable value membrane.
Weight, g/m2 | 120 |
Water tightness, class | W1 |
Water vapour transmission (sd), m | 0.02 |
Maximum tensile force (MD), N/50mm | 240 |
Maximum tensile force (CD), N/50mm | 160 |
Elongation at max. tensile force (MD), % | 100 |
Elongation at max. tensile force (CD), % | 100 |
Resistance to tearing MD (nail shank), N | 130 |
Resistance to tearing CD (nail shank), N | 170 |
Taped Lap | 1-5 |
Batten Lap | 1 |