Firefly Firefly Membrane WP

50m x 1.25m
Code: Firefly Membrane WP
  • £550.80 (Inc.VAT)
  • (FREE UK Delivery)
Item in Stock | Usually dispatched within 24 hours
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A2 Class non-combustible, vapor-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 as a lining within ventilated façade systems, including applications above 18 metres.

CONSTRUCTION

FIREFLY™ MEMBRANE WP is a strong, breathable woven glass substrate aluminised on one side, suitable for jointing with foil tape.

 

KEY BENEFITS

 

Weatherproof and breathable, FIREFLYTM 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 18m – 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

 

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 PACKAGAING Width: 125cm

Thickness: 0.2mm

Roll Length: 50m

Roll Area: 62.5m2

Weight: 225g/m2, 14kg per roll nominal

 

 

All FIREFLY™ cavity barrier products must be installed in compliance with the FIREFLY™ Installation Guide, which is provided upon request. Deviation from these drawings should not be carried out without written authority from the FIREFLY™ Technical Department.

 

All figures quoted are nominal, believed to be true at the time of printing and are presented without guarantee. It is up to the user to determine the suitability of use.

Delivery usually 1-2 days from receipt of order, please allow 1+week for bespoke orders.

Returns & Refunds, if the items are no longer required you can return them within a 28 day period from order, the return items will be paid for by the customer & a 15% re-stocking fee will apply, all items must be returned in good order.

When the items have been received in good condition a refund will be issued minus the 15% re-stocking fee.

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