Description : 27 Jul, 2023
£2.25 per metre
Buy as many meters as you require.
Description
Vent 3® Classic is a breathable roof underlay that gives major benefits over traditional underlays.
The Cromar breather felt is made from two, high-tensile, spun-bonded polypropylene layers. This triple layer, high performance, breathable membrane is thermally calendared to a micro-porous polypropylene film.
Layer one - waterproof surface
Layer two - breathable waterproof membrane
Layer three - protection from abrasion and damage, giving additional strength
This products has exactly the same specifications as the Vent 3 Light breathable membrane, but the Classic has a heavier GSM at 115, compared to this Light's 95 GSM.
Benefits
Clean and easy to use
Lightweight and flexible
Waterproof membrane
High vapour permeability
Long-term durability and tensile/tear strength
High wind uplift resistance
BS 5534:pliant
Application
Can be used in supported or unsupported roof systems, regardless of whether they are tile, slate or metal, and in warm and cold roof applications.
Equally effective whether draped unsupported over rafters, or laid directly onto insulation.
Product Specification
Brand Cromar
Colour Light grey upper, white lower
Compliance Yes
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