FIREFLY™ Membrane NB A2 Class - Data Sheet

FIREFLY™ Membrane NB is a premium quality and fire resistant non breathable membrane. Made from a strong, durable woven glass substrate laminated to aluminium foil, FIREFLY™ Membrane NB is a non-breathable, weatherproof barrier with excellent mechanical properties designed to be an impermeable water barrier or reflective insulation layer in commercial wall applications. FIREFLY™ Membrane NB meets EN 13501-1 (Class A2), for non-combustibility and BS 476 parts 6&7 for resistance to spread of flame. FIREFLY™ Membrane NB is lightweight, extremely strong, durable and easy to install. (Note: joins between membrane layers should be sealed with FIREFLY™ Foil Tape).