Roofing Underlay
(9 products)Roofing underlay is the water-resistant barrier which is applied to the surface of the roof deck before laying the tiles, shingles or slates. Roofing underlay provides an added layer of protection against water damage and moisture in rougher weather conditions where the upper layers can be lifted or broken off in high winds. Several thicknesses and types are available, suitable for a selection of roofing projects including pitched roofs.
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