Onduline ISOLINE LOW LINE Underlay - Red - 1010 x 2000 x 2.4mm

28 GBP

Onduline ISOLINE® LOW LINE Underlay - Red - 1010 x 2000 x 2.4mm - The ISOLINE® LOW LINE is the only UK waterproofing system guaranteed at a 10° pitch with BRE testing and BBA accreditation. Designed specifically for use on low pitch roofs, this lightweight bituminous underlay sheeting has been rigorously tested and is proven to be at least three times less likely to leak compared to a traditional tile system. ISOLINE® LOW LINE underlay sheets are used as a secured waterproofing layer, under the tiled roof. This solution is a perfect waterproofing barrier against potential leaks, that may happen over time through a breach in the tiles covering.

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