Visqueen Class B Vapour Check

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.

• Fire Classification B - s1, d0 surpasses all national Building Regulations for air and vapour control layers - suitable for all building heights including residential over 18m high
• UKCA UKNI Mark to EN 13984:2013 and Approved Document B - achieves Building Regulation and warranty provider requirements
• Third party tested to EN 13501-1:2018 - fully tested AVCL system (including tapes) for fire resistance
• Convenient 2.45m wide roll for wall applications - rapid installation reducing the need for horizontal lap joints
• Versatile application used within floor, wall and roof constructions - provides air tightness, water vapour resistance and reduces the risk of condensation
• Excellent puncture and tensile strength characteristics - robust for on-site handling and installation