Vent 3 Pro Breathable Membrane

Breathable roofing membrane underlay Vent3 PRO is a heavyweight, high performance underlay for cold and warm roof application. It has a weight of 165gsm.
This is the highest rated breathable roofing membrane underlay in our range with a BS5534:2014 Wind Uplift rating of zones 1-4 with a 345mm lap fixing batten, and zones 1-5 with the addition of our Vent3 Double sided breather tape. With a 250mm or 100mm Lap fixing batten Vent3 Pro will reach zones 1-5.
BBA Certified
Cold & warm roof application
3 Layer spun-bonded membrane
50m x 1m rolls 
Heavyweight performance & flexibility
Excellent tensile strength
Green surface prohibits glare
No gusting wind noise
UV stable for up to 3 months
Excellent nail tear resistance