Verified by manufacturer 5 months ago
Self-adhesive, damp-proofing, waterproofing and gas retardant membrane.
A cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen and rubber self-adhesive layer with a removable reinforced silicone release paper. The product is typically used to reduce the passage of methane and carbon dioxide gasses on contaminated sites. The membrane must always be covered.
Features and benefits:
Side and end laps minimum 150 mm are recommended.
RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. The products must be installed in accordance with RIW written instructions, and following installation must not be subjected to any damage or long-term UV exposure.
J40/180 Self-adhesive bitumen membranes
J40/45 Self-adhesive bitumen gas retardant damp proofing/ tanking
Gas-resistant, damp-proof membrane.
RIW Sheetseal GR
RIW Sheetseal Primer.
Used on all vertical or inclined substrates. RIW Sheetseal primer is a bitumen solution.
Water vapour transmission
< 0.1 g/m²/24hr.
Methane gas permeability
< 0.3 ml/m²/24hr.
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.