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Wondervent 140

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£45.00£62.00 (Excl. VAT)


High-quality breathable felt by Wonderbuilds who are a leading roofing manufacturer.

The felt is manufactured by thermally bonding two layers of non-woven polypropylene with a microporous film between the layers to form a breathable waterproof membrane.

Wonderbuilds are fully BBA certified which means all of their products come with a high level of assurance.

Product Features

Thickness (mm) 0.6
Mass per unit area (g/m2) 140
Roll size (length/width) 1×50
Colour (upper/lower) black/black
Tensile strength (longitudinal/transverse) 330/230
Elongation (longitudinal/transverse (%)) 70/70
Tear resistance (longitudinal/transverse (N)) 130/200
Watertightness (unaged/aged) W1/W1
Water vapour transmission  (Sd)(m) 0.02

Sizes available: 1m x 50m, 1.5m x 50m

Additional information


1m x 50m, 1.5m x 50m

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