Easy-Trim Pro Integrate breather membrane combines high vapour permeability with water resistant performance to offer a vapour permeable and airtight membrane suitable for warm, cold and hybrid roofs. To be used in both fully supported or unsupported installation in tiled or slate pitched roofs, this breather membrane has great tensile tear strength so its a durable and long-lasting option. This vapour permeable breather membrane can also be used with Scottish sarking boards as well as timber and metal frame constructions.Easy-Trims Integrate tape technologyEasy-Trims Integrate tape technology allows you to seal all horizontal laps without additional tapes. This contributes to the thermal efficiency of the breather membrane by reducing air penetration and conforming to BS:5534 2014 annex A. By not only passing the testing but performing outstandingly, Easy-Trim Pro Integrate Breather Membrane can be installed in all 5 wind zones.SpecificationLength: 50mWidth: 1mMass per unit area (g/m2): 120Resistance to water penetration: Class W1Resistance to water penetration (after artificial ageing): Class W1 BenefitsBBA certified (BBA 10/4753) for both warm and cold roof applications.Conforms to the new BS5534.2014 annex A.Complies to all 5 winds zones.Superior bond strength.UV stable for up to 3 months.Type LR Underlay to BS5250.