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Cromar Vent 3 High Performance Breather Roofing Felt - 50m x 1.5m

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Est. Delivery: 15-20 Working Days
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£83.14 Incl. VAT
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This strong and durable breather membrane felt by Cromar can be used on your cold or warm roof to ensure vapour escapes with ease. Cromar Vent 3 Breathable Membrane offers 75m² of area coverage and, unlike traditional roof underlay, does not need ventilation.

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

  • Clean and easy to use
  • Cold and warm roof application
  • Three layer spun-bonded membrane
  • No gusting wind noise
  • Excellent tensile strength
  • UV stability (up to three months)
  • Excellent nail tear resistance


  • Cromar Vent 3 breather underlay is versatile when it comes to applications. You can use this underlay in supported or unsupported pitched roof construction and with or without the use of sarking. You can also apply the breather membrane directly in contact with thermal insulation. If you need Vent 3 breather membrane for vertical walls, you can install the Cromar Vent 3 there too as a supporting material against the wind.

Standards & Certification

  • BBA certified


Permeability Vapour Permeable

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