16 Feb 2026
FIREFLY® VapourSafe™
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USE AREAS
FIREFLY® VapourSafe™ Membrane is specifically designed with modular and offsite construction in mind. Its lightweight, durable composition makes it easy to handle in factory conditions, while its Class A2-s1, d0 fire classification ensures compliance is built in to every panel before arriving onsite. Typical applications include:
Modular and offsite construction – pre-fabricated wall and façade panels where consistent fire safety and weather proofing must be assured during manufacture, transport, and installation.
Rainscreen and ventilated façade systems – providing a vapour-permeable, weather resistant layer behind cladding systems.
High-rise and high-risk buildings, residential, commercial, healthcare and education projects where non-combustible materials are essential above 18m.
Refurbishment and remedial works – upgrading the fire performance of existing façades without compromising breathability.
CONSTRUCTION
VapourSafe™ Membrane is a strong, breathable coated woven glass substrate, suitable for jointing with foil tape.
KEY BENEFITS
Weatherproof and breathable, FIREFLY® VapourSafe™ Membrane 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
Excellent 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 FIREFLY® membrane / foil tape
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