Verified by manufacturer 1 month ago
FIREFLY Membrane WP is a non-combustible, fire resistant membrane that achieves Class A2 (EN13501-1). Vapour permeable and suitable for use within ventilated façade systems above 18m
FIREFLY Membrane WP is a non-combustible, fire resistant membrane that achieves Class A2 (EN13501-1). Vapour permeable and suitable for use as a lining within ventilated façade systems, including applications above 18 metres.
DESCRIPTION
Aluminised woven glass/aluminium breathable membrane
REACTION TO FIRE
EN 13501-1:2018
A2, S1 d0
Non-combustible, No significant contribution to fire at any stage of the fire
FLAME PROPAGATION
BS476 Part 6 & 7 Class 0
RESISTANCE TO WATER PENETRATION
EN 13111
Pass – W3 (pre-ageing)
Pass – W3 (post-ageing)
WATER VAPOUR DIFFUSION
EN ISO 12572 Sdc (m)
0.02m silver face, 0.03m reverse
TENSILE STRENGTH
EN 12311-1 (modified by EN 13859-1, EN 13859-2)
MD >2200 N/50mm (pre-ageing)
MD >2200 N/50mm (post-ageing)
CD >1800 N/50mm (pre-ageing)
CD >1800 N/50mm (post ageing)
ELONGATION
EN 12311-1 (modified by EN 13859-1, EN 13859-2)
MD 4% (pre-ageing)
MD 4% (post-ageing)
CD 4% (pre-ageing)
CD 3% (post ageing)
TEARING RESISTANCE (NAIL SHANK)
EN 12310-1 (modified by EN 13859-1, EN 13859-2)
>200 N
DIMENSIONAL STABILITY
EN 1107-2 (% change)
MD 0.01 %, CD 0.0 %
FLEXIBILITY AT LOW TEMPERATURE
EN 1109
No cracking at -40°C
DIMENSIONS AND PACKAGING
Width: 125cm
Thickness: 0.2mm
Roll Length: 50m
Roll Area: 62.5m2
Weight: 225g/m2, 14kg per roll nominal
CONSTRUCTION
FIREFLY MEMBRANE WP is a strong, breathable woven glass substrate aluminised on one side, suitable for jointing with foil tape.
KEY BENEFITS
Color | Grey |
Material | Glass Fibre |
Length | 50000 mm |
Width | 1250 mm |
Height | 0.2 mm |
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 achieving an A2 non-combustibility classification. |
Thickness | 0.2 mm. |
Fire performance | Reaction to fire classification of A2-S1, d0, as defined in BS EN 13501. |
Product Reference | FIREFLY™ Membrane WP 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 |
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.
Platform | Compatible | Version |
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