Strong and durable breathable membrane

Kingspan nilvent is a breathable membrane suitable for use in unventilated pitched roof and timber frame wall applications.

Water vapour resistance

It achieves a resistance of 0.10 MN·s/g and a water vapour transmission Sd of 0.02 m

Liquid water penetration

> 2 m

Tensile strength

270 N / 50 mm longitudinal
225 N / 50 mm transverse

Nail tear strength

120 N longitudinal
140 N transverse

Roll length

50 m

Roll width

1.5 m


0.4 mm

Area per roll

75 m²


0.13 kg/m²

Weight per roll

9.8 kg