Rofing underlay

Free-hanging, water-deflecting roof underlay for air-tight and diffusion-open roof constructions with an inclination down to 14°(1:4). Maximum c/c distance for roof beams 1200 mm. For roofs with roofing tiles or profiled plate. Mounted by attaching to roof beams in a direction transverse to the roof pitch. First width starting at the base and then overlapping up to the ridge or another connection. Air-tight seams are created in the overlap with the supplied adhesive tape. With underlying roof insulation, the air gap is eliminated complete towards the underside of the roof underlay. The product is approved and P-marked by Swedish Institute for Technical Approval in Construction (SITAC) in accordance with the construction rules of the Swedish National Board of Housing, Building and Planning.