CROMAR VENT3 PRO BREATHABLE ROOFING MEMBRANE - 50 x 1m ROLL

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 Clean & easy to use 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