This Vent 3 light breather roofing felt from Cromar is a triple-layer, high-performance breathable membrane that has been manufactured from two high tensile spun bonded polypropylene layers, thermally calendared to a microporous polypropylene film, with a plain grey lower surface and printed grey upper surface.
Designed for use in unsupported or completely supported metal, slated or tiled roof systems, this Vent 3 Light roofing felt has the highest levels of resistance to water whilst maintaining full moisture vapour permeability. Its waterproof nature, high vapour permeability, and outstanding tear/tensile strength make it the perfect choice for use in cold and warm roofs.
Features & Benefits: Breather Membrane Felt Underlay Cromar Vent 3 Light - 50m x 1m Roll
- Grey surface prohibits glare
- Cold and warm roof application
- UV stable with four months of exposure
- Long-term durability
- Waterproof membrane
- Excellent tear and tensile strength
- Flexible and lightweight
- Clean and easy to use
- Three-layer spun bonded membrane
Ideal for laying directly over insulation or draping unsupported over rafters, this Vent 3 Light membrane will let water vapour escape from within your roof structure while protecting it against wind-driven dust, snow and rain which might penetrate the main roof waterproofing. Delivering a permanent quality breather underlay, this roofing felt will last the life of the construction.
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Breathable
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Designed
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Waterproof
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Months
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Waterproof
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Flexible
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Lightweight
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Easy
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Quality
MSS Timber
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Discover Quality Timber and Building Supplies at the MSS Timber Trade Counter Showroom. Browse our range of Timber, Sheet Materials, Composite Decking, and Cladding, with expert advice on hand. From Trade Professionals to DIY projects, we provide cut-to-size timber and reliable building materials to help you complete every job with confidence.
Customer reviews
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I’ve used MSS Timber Merchants several times now, and I honestly wouldn’t go anywhere else for my timber supplies. The quality of the wood is always excellent, with no warping or defects, and it’s clear they take pride in what they stock. Prices are fair and competitive, and delivery has always been reliable and on time. What impressed me most is the level of customer service — the team are knowledgeable, approachable, and happy to give advice, whether it’s about decking, fencing, or general timber projects. They make the whole process smooth and stress-free. If you’re looking for a trustworthy timber supplier that combines quality products with genuine customer care, MSS Timber is your go to!!!!
Breather Membrane Felt Underlay Cromar Vent 3 Light - 50m x 1.5m Roll
