FIREFLY Membrane WP A2 Class Barrier
Verified by manufacturer 3 days ago
FIREFLY Membrane WP is a non-combustible, fire resistant membrane that achieves Class A2 (EN 13501-1). Vapour permeable and suitable for use within ventilated facade systems above 18 m.
Application
Suitable for use in commercial facades and rain screen cladding systems, including applications above 18 metres.
Description
FIREFLY Membrane WP is a non-combustible, fire resistant membrane that achieves Class A2 (EN 13501-1). Vapour permeable and suitable for use as a lining within ventilated facade systems, including applications above 18 metres.
FIREFLY MEMBRANE WP is a strong, breathable woven glass substrate aluminised on one side, suitable for jointing with foil tape.
Features and benefits:
- Weatherproof and breathable, FIREFLY Membrane WP is designed to be a vapour permeable, reflective insulation layer in commercial facades and rain screen cladding systems.
- Classified A2 (EN13501-1), suitable for use over 18 m – combining non-combustible fire resistance with traditional construction membrane performance requirements.
- Ideal for upgrading fire performance both on remedial work and new installations of cladding and rain screen systems.
- Outstanding strength and durability both before and after age testing, demonstrating sustainable performance attributes when weathered.
- Lightweight, flexible, simple to install and resistant to damage during installation at temperatures as low as -40°C.
- Jointed by foil tape.
System Products:
- FIREFLY Foil Tape.
General information
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 |
Specification data - Coated woven glass fibre cloth flexible cavity barriers
Thickness | 0.2 mm. |
Fire performance | Reaction to fire classification of A2-s1, d0, as defined in BS EN 13501.Guidance for specification option: Non-combustible, no significant contribution to fire at any stage of the fire. |
Combustibility | To BS 476 Part 6 & 7, Class 0. |
Roll width | 125 cm. |
Roll length | 50 m. |
Area | 62.5 m². Manufacturer guidanceRoll area. |
Weight | 225 g/m2, 14 kg per roll nominal. |
Resistance to water penetration | To EN 13111, Pass – W3. Guidance for specification option: Pre-ageing and post-ageing. |
Water vapour diffusion resistance | To EN ISO 12572 Sdc (m), 0.02 m silver face, 0.03 m reverse. |
TensileStrength | To EN 12311-1 (modified by EN 13859-1, EN 13859-2), MD >2200 N/50mm; CD >1800 N/50mm. Guidance for specification option: Pre-ageing and post-ageing. |
Elongation | To EN 12311-1 (modified by EN 13859-1, EN 13859-2), MD 4% (pre-ageing/post-ageing); CD 4% (pre-ageing); CD 3% (post ageing). |
Tear resistance | To EN 12310-1 (modified by EN 13859-1, EN 13859-2), >200 N. Manufacturer guidanceNail shank. |
Dimensional stability | To EN 1107-2, MD 0.01%, CD 0.0%. |
Flexibility at low temperature | To EN 1109, No cracking at -40°C. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Manufacturer guidanceMultiple worldwide sources, including United Kingdom and the European Union. |
Country of product manufacture | United Kingdom |
Material | Glass Fibre |
BIM objects
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 |
|---|---|---|
 IFC | - | 1 |
 Revit | - | 1 |
Literature
FIREFLY™ Membrane WP A2 Class - Data Sheet
MSDS - Membrane NB & WB
FIREFLY Ancillaries & Fixings Summary
FIREFLY® Product Summary
Membrane Installation Guide - WP & MB