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