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RIW Sheetseal GR - Gas Retardant Membrane
NBS BIM object standard Verified by manufacturer over a year ago
Self-adhesive, damp-proofing, waterproofing and gas retardant membrane.
Application
- Where methane is present in the ground.
- Basement tanking (internal and external).
- Retaining walls.
- Ground floor DPM.
Description
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:
- 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.
Joint laps:
Side and end laps minimum 150 mm are recommended.
General information
Material | Bitumen |
WarrantyDescriptionRIW 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. | - |
Size | 1.05 x 19.05 m |
Uniclass | |
CAWS | J40/180 Self-adhesive bitumen membranes null Self-adhesive bitumen gas retardant damp proofing/ tanking |
Specification data - Bitumen sheets
Form | Gas-resistant, damp-proof membrane. |
Material | - |
Carrier material | Polyethylene (PE). |
Gas inhibitor | Aluminium foil. |
Thickness (minimum) | 1.5 mm. |
Product Reference | RIW Sheetseal GR |
Primer | Not required. 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. |
Digital objects
| Platform | Compatible | Version | Certified to |
|---|---|---|---|
 IFC | IFC2X3 | 1 | 1.3 |
 Revit | Revit 2016 | 2 | 2.0 |
Literature
RIW Sheetseal GR
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