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RIW Gas Seal Black - Gas Resistant Membrane
NBS BIM object standard Verified by manufacturer over a year ago
BBA Agrément Certificate
Certificate type
Reinforced, loose laid, damp-proof and gas resistant membrane.
Application
Combined ground floor damp proof membrane and gas barrier.
Description
A four-layer, low density polyethylene membrane reinforcing grid with an integral aluminium foil, typically used as a low density, polyethylene gas barrier and damp proof membrane in concrete floors above and below the slab.
Features and benefits:
- Manufactured from virgin material, not recycled waste.
- Separate damp proof membrane not required.
- Robust jointing and sealing system.
- Welded joints possible.
- Single wound membrane with zero creases.
- Two colour membrane for on-site quality control.
- Suitable for use where radon, carbon dioxide, methane and hydrocarbon vapours are present.
- Complies with latest codes of practice as published by CIRIA and BRE.
- Conforms to BS 8485:2015.
- CE marked.
Accessories:
A range of accessories are available (specified separately):
- RIW Gas Seal GR DPC: Gas resistant damp proof course/ cavity tray, 450, 600 or 900 mm wide.
- RIW Gas Seal Pipe Collar: Pre-fabricated ‘top-hats' for sealing around pipe penetrations. Available in 100, 130 and 160 mm diameters.
- RIW Gas Seal Tape: Double-sided self-adhesive butyl tape, 50 mm wide, for sealing between overlaps in the membrane.
- RIW Lap Tape: Single-sided self-adhesive PVC tape, 100 mm wide, for sealing edges of lapped product.
- RIW Lap Tape RB: Self-adhesive polymer/ bitumen compound with polypropylene woven mesh, 75 mm wide, for sealing edges of lapped product.
- RIW Pre-Formed Gas Cloaks: Pre-fabricated units for internal/ external corners and door reveals.
General information
Color | Black White |
Material | Polyethylene |
WarrantyDescription | 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. |
Size | 2 x 50 m |
Uniclass | |
CAWS | J40/35 Loose-laid plastics or rubber gas-retardant membranes J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes |
Specification data - Plastics sheets
Material | Polyethylene sheet, with integral aluminium foil. |
Purpose | Damp-proof membrane, gas retardance. |
Performance characteristics | - |
Tensile strength (minimum) | To BS EN 12311-1, 600 N/50 mm (MD), 480 N/50 mm (CD). |
Tear resistance | To BS EN 12311-1, 330 N (MD) 400 N (CD).Nail tear resistance. |
Resistant to underground gases | Carbon dioxide, methane, radon.
|
Physical properties | - |
Colour | Black and white. |
Weight (minimum) | 350 g/m² (35 kg/roll). |
Dimensions | - |
Thickness (minimum) | 0.6 mm. |
Width (minimum) | 2 m. |
Roll length (minimum) | 50 m. |
Recycled content | None – virgin material. |
Product Reference | RIW Gas Seal Black |
Elongation | To BS EN 12311-1, 20%. |
Side laps | 150 mm. |
Environmental information
Recycled content | 0 % |
BIM objects
| Platform | Compatible | Version |
|---|---|---|
 Revit | Revit 2016 | 2 |
 IFC | IFC2X3 | 1 |
Literature
RIW Gas Seal Black
Third party certifications
- 14/5156 : Product Sheet 1
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