Home / Roofing Supplies / Roofing Accessories Product Description Lead Underlay 25M x 1M BLM Standard Underlay is a non-woven, crimped filament poIyester, needle punched to allow air to circulate freely between the underside of the Lead Sheet and timber board decking with penny-air gaps, preventing condensation forming and corroding the underside of the Lead Sheet. Allows Lead to breathe, preventing condensation forming and corroding the underside of the sheet Protects against imperfections in timber board substrates, allowing the Lead to expand and contract freely during thermal movement Resistant to high temperatures Prolongs the life of correctly fitted Lead Sheet Customer reviews No reviews left yet Write A Review Most RecentTop Rated Description Lead Underlay 25M x 1M BLM Standard Underlay is a non-woven, crimped filament poIyester, needle punched to allow air to circulate freely between the underside of the Lead Sheet and timber board decking with penny-air gaps, preventing condensation forming and corroding the underside of the Lead Sheet. Allows Lead to breathe, preventing condensation forming and corroding the underside of the sheet Protects against imperfections in timber board substrates, allowing the Lead to expand and contract freely during thermal movement Resistant to high temperatures Prolongs the life of correctly fitted Lead Sheet Reviews No reviews left yet Write A Review Most RecentTop Rated Delivery & Returns Customer Reviews Lead Underlay 25M x 1M £55.00 £66.00 (inc. VAT) Login to add this product to your wishlist. You Will Earn 66 points which is the equivalent of £3.30
