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The Breathshield breathable roof membrane allows roofs to breathe, negating the requirement for traditional ventilation. It is suitable for use as a full supported or unsupported underlay beneath tiled or slated pitched roofs, in warm or cold non-ventilated and ventilated roofs. Breathable membranes are a fundamental element of most new build and refurbishment projects. Their adaptable, multi-purpose use is seen by specifiers, merchants and installers as the optimum solution to under-slating requirements. Breather membranes play a key role in protecting buildings and occupants from the elements.In addition to improving energy efficiency, this breather membrane offers long-lasting protection against several threats to building integrity, including condensation and infiltration by water and air. Our multi-layer heavy duty 160g/sm breathable roof membrane is superior in quality whilst but offering a much more cost effective alternative to branded membranes like Cromar and Tyvek. This product contains special stabilization additives which extend its resistance to UV radiation - this allows installers to perform assembly of the final roof covering without the added pressure of time-delays effecting the material’s durability. It is equally suitable whether draped unsupported over rafters or laid directly over insulation. The outer layer forms the functional waterproof surface, the middle layer is the breathable waterproof membrane and the inner layer protects the membrane from abrasion and damage, also giving additional strength. This enables the fabric to allow moisture vapour to pass through, whilst remaining fully waterproof.