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Breather membrane | Pitched roofing

This breathable roofing felt is made from high tensile spun bonded polypropylene layers, around a micro-porous polypropylene film. It has triple layer breather membrane is avilable in 1x50mtr and has been designed for use in a fully supported or unsupported tiled, slated or metal roof system.

  • High vapour permeability
  • Waterproof membrane
  • Excellent tensile/tear strength
  • Highwind uplift resistance

Use directly over insulation or draped unsupported over rafters. Additional strength given due to its layers:

  • Outer layer.
    • Forms the functional waterproof surface
  • Middle layer
    • This is the breathable waterproof membrane.
  • Inner layer
    • Protects the membrane from abrasion and damage

This enables the fabric to allow moisture vapour to pass through, whilst remaining fully waterproof.

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