Onduline Isoline Low Line Underlay - 1010 x 2000 x 2.4mm

ISOLINE LOW LINE is the only UK waterproofing system guaranteed at a 10 degrees 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 potent...