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A self-adhesive damp proofing, waterproofing and gas retardant membrane. The product provides Type A (barrier) protection in accordance with BS 8102: 2009, and is compliant with BS8485: 2015.
RIW 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. Typically used to reduce the passage of methane and carbon dioxide gasses on contaminated sites. The membrane must always be covered.
Joint laps:
Side and end laps minimum 150 mm are recommended.
Uniclass 2015 | |
CAWS | J40/180 Self-adhesive bitumen gas retardant damp proofing/ tanking J40/45 Self-adhesive bitumen gas retardant damp proofing/ tanking |
Product Reference | RIW Sheetseal GR |
Primer | Not requiredRIW Sheetseal PrimerUsed on all vertical or inclined substrates. |
Standard product features | Thickness: 1.5 mm. Water vapour transmission: < 0.1 g/m²/24hr. Methane gas permeability: < 0.3 ml/m²/24hr. |
Product Options | Primer: RIW Sheetseal primer is a bitumen solution. |