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Cromar Vent 3 Classic Breather Roofing Felt - 50m x 1.5m

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Est. Delivery: 15-20 Working Days
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£66.56 Incl. VAT
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Cromar Vent 3 Breathable Roof Underlay can be used in cold and warm roof applications. At 75m² coverage, you can ensure you have the product needed to help protect a pitched roof or surface.

The Cromar breathable membrane range offers major benefits over traditional roof underlays, with strength and durability being two of many key features. Breathable membrane by Cromar, unlike traditional roof underlays, requires no ventilation. Meaning protection of your pitched roof or other surfaces can ensure vapour escapes with success.

Features & Benefits: Cromar Vent 3 Classic Breather Roofing Felt - 50m x 1.5m

  • Cold and warm roof application
  • Three layer spun-bonded membrane
  • Clean and easy to use
  • Lightweight and flexible
  • Excellent tensile strength
  • Light grey surface prohibits glare
  • UV stability (up to three months)


  • Vent 3 breather membrane can be installed in supported or unsupported pitched roof construction, with or without sarking, and applied in direct contact with thermal insulation. You can also apply Cromar Vent 3 breathable roof underlay to vertical walls as a wind barrier and breather membrane combination.

Standards & Certification

  • BBA certified


Length 50m Width 1500mm


Weight 115gsm Permeability Air Open

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