Verified by manufacturer 17 days ago
KIWA BDA
Certificate type
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.
Color | Black |
Shape | Other |
Length | 50000 mm |
Width | 1500 mm |
Uniclass | |
CAWS | H92/785 Breather membrane H30/350 Breather membrane P10/65 Breather membrane P10/320 Breather membrane |
Purpose | Breather membrane to facilitate the escape of moisture from the building. |
Performance characteristics | - |
Tensile strength (minimum) | 270 N/ 50 mm (longitudinal) and 175 N/ 50 mm (transverse). |
Tear resistance | 90 N (longitudinal) and 100 N (transverse). |
Fire performanceTo EN 13501-1: | B-s1, d0. |
Physical properties | - |
Colour | Black.With white printing. |
Dimensions | - |
Thickness (minimum) | 0.3 ± 0.1 mm. |
Width (minimum) | 1500 mm. |
Roll length (minimum) | 50 m. |
Flexibility at low temperature | -40°C. |
UV resistance | 6 months. |
WatertightnessTo EN 1928: | Class W1. 2 Kpa. |
Water vapour transmissionTo EN ISO 12572: | 0.1 m. Sd value. |