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Product Information
Technical Datasheet


Lap Tape RB is a strong polypropylene woven mesh, partially embedded into a self-adhesive polymer / bitumen compound, with a release coated inter-leave.

The tape should be used to seal down loose edges, formed as a result of lapping gas resisting membranes, when a ‘reinforced’ tape is required / preferred.


  • Ensure all surfaces to be bonded are dry and free from dust, grease and other contaminates.
  • Apply Lap Tape RB equally lapped across edge of upper sheet onto lower sheet, and smooth down to ensure full contact.
  • The surface should then be rolled with a hard roller to ensure good adhesion.