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.
ISOLINE LOW LINE is made from the same material as the ONDULINE CLASSIC sheet, but with the added benefit of having 24 mm deep corrugations making it the perfect product for roof underlays.
ISOLINE LOW LINE: Market leading underlay for low pitched roofs
The most reliable waterproofing solution for very low pitched roofs
The low profile configuration of ISOLINE LOW LINE, makes it the perfect underlay solution for a reduced roof section making it ideal for projects on which the height restriction or the aesthetic appearance of the roof line is of prime importance.
Engineered to be 100% leak free, ISOLINE LOW LINE roofing underlays deliver long-lasting waterproofing to any building, offering complete peace of mind to professionals and homeowners. ISOLINE LOW LINE acts as a roof under the roof.
ISOLINE LOW LINE roofing underlay sheets work with any type of tiles
ISOLINE LOW LINE compliments and enhances the performance and reliability of traditional tile or slate roofs. The ISOLINE LOW LINE underlay system can be used in both new constructions and renovation to keep the aesthetics of the original heritage of a building, whilst acting as the primary waterproofing material and protection for the building.
Innovation of ISOLINE LOW LINE
The innovation of ISOLINE LOW LINE has provided opportunities to allow roofing tiles and slates to be laid below the manufacturers minimum recommended roof pitch with confidence. With this type of underlay technology, roofs can be designed with lower pitches, allowing you to use any type of tile or to deliver more usable floor area.