SitaTrendy surface element with a clamping flange

The SitaTrendy extension element with a flange, made of polyurethane, meets the requirements of GET (Quality assurance in water drainage systems) and DIN EN 1253, for a thermal insulation thickness of 60-150 mm, 120-220 mm or 60-320 mm, with prepared holes for fastening in the supporting structure . With a welded insert ring for screwing in the attached screws, with a removable aluminum flange and two sealing cuffs for clamping bitumen, polymer and rubber waterproofing. Complete with angular O-ring to prevent back-up.