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Cromar Breathable Membrane - 1.5m x 50m

Pack of 1

Vent 3 Breathable Roofing Membrane Classic 115gsm 1.5m x 50m
Vent3 Classic is a triple layer fabric, which ensures full moisture vapour permeability, whilst maintaining the highest levels of water resistance. A high performance breather membrane it is made from high tensile spun bonded polypropylene layers, around a micro-porous polypropylene film.
£57.00 £47.50
Availablity: In stock

Free Express Delivery On Orders over £85

Cromar Vent 3 Pro Green is a three-layer fabric which is created using a high-tensile spun bonded polypropylene layer, around a micro porous polypropylene film. It is a high-performing breather membrane designed to be used in a supported or unsupported tiled, slated or metal roof systems.

It has a high vapour permeability and has excellent tensile/tear strength with a high wind uplift resistance, making it the ultimate breather membrane for the professional.

The outside layer creates the waterproof surface, the mid layer is the breathable waterproof membrane, and the inside layer protects the membrane from any damage or abrasion, while offering additional strength. This allows the fabric to allow moisture vapour to pass through while remaining fully waterproof. The top surface is blue and printed with head lap lines and the trading name. It is available in 1.0m & 1.5m widths as standard, allowing it to conform easily to any roof configuration or the working practices of the installer.


  • Easy and clean to use
  • Warm & cold roof application
  • Solid tensile strength
  • Weight - 170gsm
  • UV is stable for up to 4 months
  • Very flexible & lightweight
  • Excellent nail tear resistance
  • Three later spun-bonded membrane
  • No glare due to grey surface
More Information
Manufacturer Cromar
Colour Grey
Pack Size 1
Colour Grey
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