Verified by manufacturer 17 days ago
Class B (EN 13501-1) Weathertight Breather Membrane.
Suitable use for facades with open or closed joints to facilitate the escape of moisture.
Bonded and sealed using the Cortex 0825 Installation Kit which contains 2 rolls of Cortex Double-Sided Tape and 6 rolls of Cortex UV Facade tape. Overlaps: 100 mm horizontal laps, 150 mm vertical laps. The membrane should be installed to shed water away from the building.
Cortex 0520FR Class B Breather Membrane is a breathable yet water resistant facade membrane. The 0520FR achieves class B-s1,d0 according to EN 13501-1. Part of the Cortex Class B Throughwall Membrane System.
H92/785 Breather membrane
H30/350 Breather membrane
P10/65 Breather membrane
P10/320 Breather membrane
Breather membrane to facilitate the escape of moisture from the building.
Tensile strength (minimum)
270 N/ 50 mm (longitudinal) and 175 N/ 50 mm (transverse).
90 N (longitudinal) and 100 N (transverse).
To EN 13501-1:
With white printing.
0.3 ± 0.1 mm.
Roll length (minimum)
Flexibility at low temperature
To EN 1928:
Water vapour transmission
To EN ISO 12572: