- Length: 50 m
- Width: 1 m
- Weight: 6.0 kg
- Material: Polypropylene
- Colour: Grey/white
- Finish: Breathable membrane film
- Suitable for: Habitable buildings
- Coverage: 50 m²
- Application: On roofs with full or part boarding
- Usage: Roofing underlay, Barrier Membrane (cladding)
- UV Protected: Yes
- Type: Breather membrane
- Brand Name: Onduline
- Highly vapour-permeable 3 layer roof membrane with microporous film protecting both sides of the polypropylene film
- The film layer provides resistance to water penetration and regulates the water vapour flow through the roof system
- Improves the efficiency of thermal insulation & reduces energy consumption
- Suitable for all zones under the updated BS 5534 regulations
- Resistant to high and low temperatures
- Reduces CO2 emissions to the atmosphere
- Overlap indicators printed on the membranes for fast and easy installation
- No ventilation gap needed
- Totally waterproof, offering a secondary layer of protection against driving rain or snow