watertight waterproofing membrane waterproof and breathable membrane woven polypropylene roofing felt

Water vapour Permeable Breather membrane used for pitched roofing underlayment or steel construction.
Feature: Good tearing strength, waterproof, good breathability, soft handle, heat insulation
Excellent performance of breather membrane allows vapour to pass through while keep water or rain outside, it can keep the construction structure dry and long term usage.
Constructed from high tensile spun-bonded polypropylene layers
Highest levels of water resistance
Full moisture vapour permeability
Breathable underlay for tiled and slated pitched roofs
Eco-friendly to be completely recyclable.
UV resistant
Others as buyers requirements waterproof and breathable membrane

Breathable roofing membrane used  under tiles and sheeted roofs, over open rafters or on to fully boarded substrates.

 Breathable roofing underlay positioned immediately above the insulation layer in a warm pitched roof, or in a cold pitched roof (ventilated or unventilated).