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Rollstick 31 Alpa Alu

Rollstick 31 Alpa Alu is a glass-fibre/aluminium reinforced bituminous air and vapour control layer (AVCL) with Alpa binder. It has semi-continuous strips of self-adhesive bitumen on the surface, protected by thermofusible film, and a thermofusible film on the undersurface.

An AVCL 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, and as an adhesive layer + AVCL for insulation.

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