Sheetseal GR is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone release paper. Sheetseal Primer is a bitumen solution.


  • Compliant with BS 8485: 2015
  • Methane and carbon dioxide barrier
  • Water and water vapour barrier
  • Factory controlled thickness
  • Elastic and flexible
  • Damage easily repaired
  • No drying time
  • Selvedge strip to improve lap sealing
  • Complies with latest codes of practice as published by CIRIA & BRE
  • Combined tanking membrane and gas barrier
  • Suppression of methane and carbon dioxide
  • Ground floors
  • Basement and Sub-structures
  • Retaining walls