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Firebreather White A1 W2

Non-combustible breather membrane.
It is used for facades in new builds and refurbishments.


Applications :

  • Facades
  • High rise buildings
  • Timber frame constructions
  • Public buildings
  • Off-site constructions
  • Metal frame constructions
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  • Non-combustible (A2-s1,d0 according to EN 13501-1)
  • Highly vapour permeable
  • UV resistant
  • Easy to cut

Technical datas

Water penetration W2
Reaction to fire A1
Water vapour permeance (Sd Value) 0,03 m
Resistance to vapour penetration 0,15 MN.s/g
Water vapour diffusion coefficient (μ) 177
Air tightness 27 m³/(hxm²x50 Pa)
UV resistance (without cladding) 3 months
Temperature range -36°C to 150°C
Material Glass fibre fabric
Thickness 0,18 mm
Mass per unit area 210 g/m²
Width 1,50 m
Length 50 m
Total m² 75 m²
Usable m²  70 m²
Weight 16 kg
Packaging 36 rolls/pallet (2 625 m²)


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