Self adhesive, cold applied flexible sheet gas retardant membrane.
A self adhesive, cold applied flexible sheet membrane with a 50 mm bitumen selvedge to improve lap security. It comprises a bitumen/ polymer, self adhesive compound, aluminium foil and cross-laminated, high density polyethylene carrier, with a protective release sheet.
Manufactured for use where gas retardant properties are required. Xtra-Load GRM also provides an effective barrier against water and water vapour.
Preliminary application of 300 mm wide strips of the membrane to all internal and external angles is recommended before applying the main membrane.
Minimum laps of 100 mm are recommended.
For use with Icopal S.A. primer.
Standard product features
1.05 m x 19.05 m.
Reinforcement at angles:
300 mm wide strip of Xtra-Load GRM to internal and external angles, centred along the corner, before main membrane application.