IKO ULTRA Heat-Activated Self-Adhesive Detailing Underlay

IKO ULTRA Heat-Activated Self-Adhesive Detailing Underlay

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.

Key benefits to your project

  • Flame free application. Self-adhesive bonding to the primed substrate with laps secured using hot-air welding, so no requirement for gas torches.
  • Partial bond – reduces the potential for blistering.
  • Rapid installation – rolls can be installed quickly with additional rapid sealing of the laps.
  • Surface protection – the upper surface has a fine granule finish that provides additional protection to the membrane.

Product information

Brand: IKO Ultra
Product colour: Grey
Product finish: Mineral
Product type: Bituminous Membrane – Commercial
UK manufacturing: Yes
SKU: 62710000

Key performance criteria

Installation method: Adhered, Hot Air Welded
Profession: Export Customers, Installing Contractors, Specifiers & Designers
Sector: Community & Amenity, Education, Health, Hotel & Leisure, Industrial, Mixed Use, Offices, Retail, Social Housing, Utilities


Length (mm): 16000
Weight (kg): 36
Width (mm): 1000