Visqueen Vapour Barrier is a green tinted, semi-transparent polyethylene vapour control layer. 300 micron (0.3mm) thick it is supplied in single wound 2.0m x 50m rolls.
Visqueen Class B Vapour Check is an orange tinted, semi transparent modified fire resistant polyethylene AVCL (air and vapour control layer). The product is 0.125mm thick (500 gauge). The membrane is supplied in centre-folded rolls 2.45m x 50m and multi-folded rolls 4m x 50m.