Permeable, weldable roof lining membrane

Advantages

  • Reliable seam tightness: homogeneously weldable
  • High degree of occupational safety: non-slip and abrasion-resistant surface
  • Protects structural elements against dampness: diffusion-open, rainproof against driving rain, and hail-resistant
  • Easy to work with: robust with extremely high tear-resistance
  • Suitable as a roof lining to meet the most stringent requirements
  • Also keeps structural elements dry during the construction phase: excellent protection against driving rain thanks to monolithic membrane

Areas of application

For use as a 3-ply permeable, homogeneously weldable, rainproof/watertight roof lining. Suitable for installation on pressure-resistant subsurfaces, e.g. wooden decking, wood-based panels and wood fibre underlay panels.

Technical specs

  Material
Membrane, both sides Polyurethane
Substructure fleece Polyester
Property Value Regulation
Colour blue
Surface weight 330 g/m² ; 1.08 oz/ft² EN 1849-2
Thickness 0.8 mm ; 31 mils EN 1849-2
Water vapor resistance factor µ 225 EN ISO 12572
sd value 0.18 m EN ISO 12572
g value 0.9 MN·s/g
Vapour permeance 18.2 US perms ASTM E 96
Fire rating E EN 13501
Outdoor exposure 4 months
Hail-resistance class (Switz.) HW 5 / watertightness test passed VKF
Water column > 4 000 mm ; > 13' 1" EN ISO 811
Water tightness non-aged/aged* W1 / W1+ EN 13859-1 / EN 1928, GHS
Resistance to driving rain passed TU Berlin, GHS
Tensile strength MD/CD 320 N/5 cm / 400 N/5 cm ; 37 lb/in / 46 lb/in EN 13859-1 (A)
Tensile strength MD/CD aged* 275 N/5 cm / 320 N/5 cm ; 31 lb/in / 37 lb/in EN 13859-1 (A)
Elongation MD/CD 50 % / 70 % EN 13859-1 (A)
Elongation MD/CD aged* 50 % / 70 % EN 13859-1 (A)
Nail tear resistance MD/CD 200 N / 200 N ; 45 lbf / 45 lbf EN 13859-1 (B)
*) Durability after artificial ageing at 100 °C ; 212 °F passed EN 1297 / EN 1296
Flexibility at low temperature -20 °C ; -4 °F EN 1109
Temperature resistance permanent -40 °C to 100 °C ; -40 °F to 212 °F
Thermal conductivity 0.04 W/(m·K) ; 0.3 BTU·in/(h·ft²·F)
Roof lining membrane UDB-A ZVDH-Produktdatenblatt
Temporary roof covering; suitable as ... yes ZVDH
CE labelling yes EN 13859-1