Proctor Procheck A2 Vapour Control Layer 1.2m x 50mtr

Procheck A2, is a vapour and airtight membrane. Procheck A2, with it’s Class A2-s1,d0 fire classification to BS EN 13501-1, is considered non-combustible with no contribution to fire. Its composition comprises of the glass fibre backing, with a pure aluminium foil and clear lacquer coating. This composition affords the membrane its Class A2 performance as well as giving it a high degree of vapour controlling properties.