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.
Designed to be an impermeable water barrier or reflective insulation layer in commercial wall applications. Joins between membrane layers should be sealed with Foil Tape.
A2 Class membrane for construction application. FIREFLY™ Membrane NB is a premium quality and fire-resistant non-breathable membrane.
Features and benefits:
Color | Grey |
Material | Woven glass Aluminium foil |
SizeRoll size. | 1.25 x 50 m |
Uniclass | |
CAWS | J21/60 Laying air and vapour control layer J21/395 Air and vapour control layer H30/30 Air and vapour control membrane H31/45 Air and vapour control membrane H31/261 Air and vapour control membrane H30/261 Air and vapour control membrane |
General requirements | Fire resistant membrane. |
Thickness | 0.2 mm. |
Fire performance | Reaction to fire classification of A2-S1, d0, as defined in BS EN 13501. |
Product Reference | FIREFLY™ Membrane NB A2 Class Barrier |
Combustibility | To BS476-6:1989+A1:2009, Class 0. |
Roll width | 125 cm. |
Roll length | 50 m. |
AreaRoll area. | 62.5 m². |
Weight | 14 kg. |
Contains Red List materials | No |
Country of material originMultiple worldwide sources, including United Kingdom and the European Union. | - |
Country of product manufacture | United Kingdom |
Platform | Compatible | Version | Certified to |
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![]() | - | 1 | 2.1 |
![]() | - | 1 | 2.1 |
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