Hydrosafe® high-performance vapour check, suitable for all fibrous insulation mats and boards

Advantages

  • Best possible protection against moisture damage to structures and mould because this product is humidity-variable with a variation of a factor of over 100
  • Permanent protection: officially tested and certified performance (ETA-18/1146)
  • Protected winter building sites thanks to hydrosafe® behaviour
  • Can be combined with all fibrous insulation mats and boards
  • Easy to work with: dimensionally stable, no splitting or tear propagation
  • Excellent values in hazardous substance testing, has been tested according to the ISO 16000 evaluation scheme

Areas of application

For use on roofs, walls, ceilings and floors on structures that are open or closed to diffusion on the exterior, e.g. flat/steep roofs and green roofs, after appropriate design calculations have been carried out.

Technical specs

  Material
Fleece Polypropylene
Membrane Polyethylene copolymer
Property Value Regulation
Colour white-transparent
Surface weight 85 g/m² ; 0.28 oz/ft² EN 1849-2
Thickness 0.25 mm ; 10 mils EN 1849-2
Water vapour resistance factor µ 56 000 EN 1931
sd value 14 m EN 1931
sd value, humidity-variable 0.25 - >25 m EN ISO 12572
g value 70 MN·s/g
g value, humidity-variable 1.25 - >125 MN·s/g
Vapour permeance 0.23 perms ASTM E96-A
Vapour permeance, humidity-variable < 0.13 - 13 perms EN ISO 12572
Hydrosafe value (sd) 2 m DIN 68800-2
Surface burning characteristics Class A (Flame Spread 0; Smoke development index 35) ASTM E84
Fire rating E EN 13501-1
Airtightness tested EN 12114
Airtightness ≤ 0.004 cfm/ft² ASTM E2178
Tensile strength MD/CD 110 N/5 cm / 80 N/5 cm ; 13 lb/in / 9 lb/in EN 12311-2
Elongation MD/CD 40% / 35% EN 12311-2
Nail tear resistance MD/CD 60 N / 60 N ; 13 lbf / 13 lbf EN 12310-1
Durability after artificial ageing passed ETA-18/1146
Temperature resistance permanent -40 °C to 80 °C ; -40 °F to 176 °F
Thermal conductivity 0.04 W/(m·K) ; 0.3 BTU·in/(h·ft²·°F)
CE labelling yes ETA-18/1146


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