EW1283B Up-Way Systems - Effisus Vapour FR membrane


This is an assessment of the Effisus Vapour FR Membrane, a multifunctional vapour barrier made of a special fiberglass fleece which achieves fire reaction of Class A1 itself; and Class A2-s1,d0 when tested as part of a system with Effisus accessories.

The membrane works as a vapour control layer (VCL) reducing condensation risk and improving airtightness and therefore improving energy efficiency. Can be used on façade rainscreen cladding and many other applications to prevent moisture and water transfer. 


Valid until 13th April 2023


Effisus UK Ltd
5 New Street Square
07340 056 366