Nilvent Breathable Membrane


Breathable membrane for unventilated pitched roofs and timber frame walls

What are the benefits of Nilvent?
  • Waterproof – can be used as a temporary roof covering
  • Non–tenting
  • Airtight at normal building pressures
  • Excellent water vapour permeability
  • Strong – excellent nail tear and tensile strengths
  • Quiet under wind loading l Durable – heat and UV stable
  • Lightweight
  • Easy to handle and install
  • Ideal for new build


Water vapour resistance 0.17 MN.s/g
Nail tear Strength 120 N longitudinal
140 N transverse
Roll length 50 m
Roll width 1.5 m
Thickness 0.6 mm
Weight 0.14 Kg/m2
Weight per roll 12 Kg

Do you need help or advice on a project?

Contact our experienced technical services department today.

Get in touch

Kingspan Insulation Ltd.

Bree Industrial Estate


Co. Monaghan

A75 X966

Tel: +353 (0) 42 979 5000