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


  • Non-combustible
  • Winter/summer insulation
  • Highly vapour permeable
  • No wind load
  • Long lifespan
  • Easy to cut
General documentation
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  • Non-combustible (A2-s1,d0 according to EN 13501-1)
  • Thermal comfort during summer and winter (reflective insulation)
  • Vapour permeable
  • Improves airtightness
  • Strong mechanical resistance

Technical datas

Material Micro-perforated aluminum foils
Functional film
Glass fiber fabric
E glass needle mat
Thickness13 mm26 mm
Mass per unit area 1 346 g/m²2 900 g/m²
Width1,12 m1,06 m
Length18 m6,40 m
Total m²20 m²6,80 m²
Usable m² 18 m²6,15 m²
Weight 25 kg19 kg
Packaging 12 rolls/pallet (240 m²)12 rolls/pallet (81,6 m²)
Reaction to fireA2-s1,d0A2-s1,d0
Thermal resistance (R)1,7 m².K/W2,20 m².K/W
Thermal conductivity (ʎ) 0,029 W/mK0,029 W/mK
Water vapour permeance (Sd Value) 0,041 m0,08 m
Resistance to vapour penetration0,4 MN.s/g0,205 MN.s/g
Water vapour diffusion coefficient3 μ3 μ
Water penetrationW1W1


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