IKO ULTRA Heat-Activated (H-A) Detailing Underlay is a polyester-reinforced bitumen membrane used within a built-up roofing system.
The membrane is coated on both sides with self-adhesive bitumen, SBS elastomeric coating. A fine mineral upper surface with a 75mm release film selvedge facilitates rapid installation of lap joints.
The underside has a self-adhesive bitumen coating for fully bonded and all waterproofing detailing applications. The self-adhesive coating is protected by a release film.
This product is used as a fully bonded detailing underlay within a built-up roofing specification system. It is to be used for all associated detailing, abutments, internal gutters, and penetrations as part of a two-layer built-up roofing application.
All detailing works must be undertaken in accordance with the IKO detail drawings and IKO specification documents.