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ISOLINE Underlays from Onduline

Product catalogue

ISOLINE Underlays from Onduline

Bituminous corrugated roof underlay sheets for guaranteed waterproofing. Any roof covered with tiles can leak over time. Even the very best quality tiles can move or break as they are subjected to frost, humidity, structural movement, high winds, an accumulation of dead leaves or snow. The ISOLINEĀ® underlay system, from Onduline, is a sustainable roof beneath a roof that is engineered to be 100% leak free for new buildings and renovations. Designed to be used beneath clay, slate or concrete tiles, the ISOLINEĀ® bituminous corrugated sheeting provides durable waterproofing with a 30-year guarantee. Eco-friendly, these roof sheets are made from 50% recycled cellulose fibres and bitumen for complete waterproofing.

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