Air Tightness Membrane
Our BBA Certified air tightness membrane products provide effective, breathable protection against moisture and mould-infested elements of buildings.
The airtight liquid vapour control membranes will improve the protection of building components, boosting the impermeability of the building envelope. Enhanced enclosure performance increases the longevity of the building, and improves energy consumption and internal air quality. Additionally, the airtight materials will simultaneously reduce the construction budget and operating costs.
Easy to apply with either spray or brush, our products adhere to any substrate. For those larger gaps, use the brush-applied facade membrane with reinforced fibres. Importantly, our air-tightness membranes are VOC-free (volatile organic compound) and Passivhaus certified.
Browse today, or contact one of our team for further information.

Showing 1–8 of 18 results
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Intelligent Membranes – Fleece Airtight Window & Door Sealing Tape 75mm x 25m
Price Not Available In Your Country, Please Contact Us -
Passive Purple Brush – Home Pack 6.9KG – Airtight Paint Membrane
Price Not Available In Your Country, Please Contact Us -
Passive Purple – Internal Airtight Vapour Control 11.4KG
Airtightness Price Not Available In Your Country, Please Contact UsRated 5.00 out of 5 -
Passive Purple External Brush – Facade Membrane
Price Not Available In Your Country, Please Contact Us -
Passive Purple External – Facade Waterproof Membrane
Price Not Available In Your Country, Please Contact Us -
Passive Purple Brush – Handy Pack 3.9KG – Airtight Paint Membrane
Price Not Available In Your Country, Please Contact Us -
Passive Purple Radon Red Edition
Airtightness Price Not Available In Your Country, Please Contact Us -
Passive Purple Radon Red Edition – Brush Applied
Airtightness Price Not Available In Your Country, Please Contact Us