A high performance underlay for pitched roofs, which must be ventilated in accordance with BS 5534 2003. Install in the same manner as conventional tile and slate underlays. This underlay prevents the ingress of dust, rain and snow into the roof void.The membrane is completely waterproof and correctly installed will provide temporary protection of 3 months until application of the main roof is finished. The high performance lightweight material is clean and easy to handle, and the 45m x 1m roll size allows for easy handling.BBA approved, high performance, non permeable underlay.If you would like any more information on this product, please call the number at the top of this page and speak to our super efficient sales team now!
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