A2 class membrane for construction applications Firefly Membrane NB is a premium quality and fire resistant non breathable membrane. Made from a strong, durable woven glass substrate laminated to aluminium...

A2 Class non-combustible, vapour permeable, breathable membrane FIREFLY MEMBRANE WP is a non-combustible, fire resistant membrane that achieves Class A2 (EN13501-1). Vapour permeable and suitable for use...