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admin@wonderbuilds.co.uk

WonderVent 160 Ultra


Thickness (mm) 0.7
Mass per unit area (g/m2) 160
Roll size (length/width) 1×50; 1.5×50
Colour (upper/lower) green/black
Tensile strength (longitudinal/transverse) 340/235
Elongation (longitudinal/transverse (%)) 70/120
Tear resistnace (longitudinal/transverse (N)) 255/355
Watertightness (unaged/aged) W1/W1
Water vapour transmission  (Sd)(m) 0.02

BBA certificate