Collection: Passive Purple
The paint that started it all. Passive Purple is our liquid-applied airtight and vapour control membrane — Passivhaus certified, BBA approved, tested to both ASTM and EN standards (ICC-ES ESR-4715), and a tested radon and methane barrier to boot. This collection gathers the whole family: spray/roller and brush grades, Airtight White for a lighter finish, Passive Purple External for façades, Retrofit Airtightness paints, plus the tapes and sealants that complete the airtight system. One purple coat, one continuous membrane, one air test passed.
