Cetified B Corporation

We are celebrating two years of being a B Corporation!

Read about our journey so far, and our plan to be net zero by 2040..

VAP AL SK is an air and vapour control layer (AVCL), with a macro-perforated film/sand surface and a self adhesive undersurface.

A low permeability membrane used as part of a system to control the movement of air, water vapour and heat leakage from within the building. Can also be used as base or underlayer in a multi-layer waterproofing system.

View Technical Downloads

Systems in use

View all systems