Firefly™ Membrane WR2

Firefly Membrane


FIREFLY MEMBRANE WR2 is a premium quality and fire resistant membrane. Made from a woven E-glass substrate it is coated on both sides with fully cured flame retardant silicone rubber. FIREFLY MEMBRANE WR2 is an impermeable, waterproof vapour barrier with excellent mechanical properties. It meets EN 13501-1 to Class A2 standard for non-combustibility and BS476 parts 6&7 for resistance to surface spread of flame.


DESCRIPTION  Durable woven glass substrate coated both sides with flame retardent silicone
COMBUSTIBILITY  EN 13501-1:2018, A2 - S1, d0
BS476-6:1989 + A1 2009, CLASS O
DIMENSIONS  1.30m x 50m roll (65m2) 
WEIGHT  Nominal 34Kg per roll 
THICKNESS  Nominal 0.45mm 
OTHER PROPERTIES      Further information can be made available on request.
INSTALLATION  FIREFLY™ MEMBRANE WR2 is a durable construction material but care should be taken to ensure it is not damaged during storage or installation. General installation advice is available on request.
Firefly™  All FIREFLY™ products must be installed in compliance with the FIREFLY™ Installation Guide, which is provided upon request. Deviation from these drawings should not be carried out without written authority from the FIREFLY™ Technical Department.
All figures quoted are nominal, believed to be true at the time of printing and are presented without guarantee. It is up to the user to determine the suitability of use.