Cromar Vent 3 PRO Breathable Roof Felt 

Vent3 PRO is a heavyweight, breathable roofing membrane underlay, high performance roofing membrane underlay for cold and warm roof application.

It has a weight of 165gsm.

This is the highest rated breathable roofing membrane underlay in the Cromar 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