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- Quality roof membrane for timber frame buildings
- Air permeable breathable membrane
- Free delivery
For maximum ventilation, Ondutiss membranes are the recommended air permeable membrane to use with Onduline’s ranges of bituminous corrugated roof sheets and shingles.
The ONDUTISS AIR 95 is a 95 gsm high vapour permeable membrane, suitable for cold and warm roof applications.
- High vapour permeability ensuring the membranes absorb the vapour and keeps the insulation layer dry
- No ventilation gap needed.
- Totally waterproof, offering a secondary layer of protection against driving rain or snow.
- Overlap indicators printed on the membranes for fast and easy installation.