

Log in to find merchants near you.
We'll use your location to show live stock availability in your area.
The Passive Purple Airtight Vapour Control Membrane is a liquid-applied system designed to create an airtight seal in buildings. It is BBA and Passivhaus certified, VOC-free, and acts as a radon barrier with fire class C. The product can be applied by airless sprayer or roller, achieving up to 300 square metres per operative per day, and ensures an airtightness of 0.03 air changes per hour.
Key features