Sark-it is impermeable roofing underlay offering benefits over traditional bitumen and reinforced plastic felts for use in all pitched roof constructions. It is easy to use, lightweight, has good tensile strength and reduces installation bitumen based 1F whether the insulation is at ceiling joist level or rafter level.
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Strotex Ultra breathable membranes are vapour permeable, waterproof, UV resistant protection for all pitched roof applications. Lightweight and easy to install they provide cost effective solutions for modern construction requirements. Strotex Ultra does not hold a BBA certificate, it as applied for one and is waiting for aproval.
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Rhinovent Pro breather membrane is water vapour permeable film between two layers of nonwoven polypropylene, forming a flexible roof tile underlay. With a BBA for use in warm non-ventilated and cold ventilated pitched roof systems and is suitable for unsupported and fully supported specifications.
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RoofTX breather membrane provides a secondary barrier to the ingress of rain, wind and snow in pitched roofs. Having a BBA for warm and cold roof applications it is intended for use as a pitched roof underlay beneath tiles and slates.