GP® Liquid Barrier - Gas-proofing and waterproofing system
Verified by manufacturer 2 months ago
GP® Liquid Barrier is a multi-use liquid applied gas-proof barrier and damp/ waterproof membrane.
Application
GP® Liquid barrier is a water-based non-hazardous product, safe and easy to apply direct from the packaging using a roller, brush or airless spray.
The product can be applied to dry or damp substrates and dries in approximately one hour to form a tough semi-gloss finish.
Suitable for the following applications:
- Methane, carbon dioxide and hydrocarbon vapour suppression.
- Seamless liquid-based gas-proofing solution.
- Waterproofing and gas suppression at ground floor level, basements and subterranean structures.
- Tanking applications, retaining walls etc.
- Bunding applications (please verify chemical resistance prior to specification).
- Under tiled areas for secondary protection in wet areas.
- Repairs of floor surfaces; can be applied as a base coat on a damaged surface before application of a self-levelling thin section screed (compatible with latex or cementitious).
- Concrete roof protection.
- Silage and sewage tank lining.
- Barrier to water vapour for brickwork, blockwork and stonework.
Description
GP® Liquid Barrier is a multi-use synthetic rubber based gas-proofing and waterproof system.
It can be specified as a liquid gas-proof barrier, a damp/ waterproof membrane or both dependent on the project requirement.
The product is an elastic, UV-resistant, single component system supplied in red.
Features and benefits:
- Rapid drying.
- Methane and carbon dioxide barrier.
- Dual-use damp/ waterproof and gas barrier.
- Damp surface tolerant.
- Non-toxic.
- Excellent bonding strength to common construction substrates.
- Good crack-bridging properties.
- Resistant to weak mineral acids.
- Good alkali and brine solution resistance.
- CE marked.
- 18 month shelf-life (unopened).
- Supplied in standard pack sizes of 8 kg or 15 kg (bespoke sizes available on request).
- Resistant to a range of chemicals in accordance with BS EN 13529:2003.
- Latex (Vanilla) odour.
General information
Color | Red |
Finish | Semi-gloss |
Material | Styrene-butadiene rubber (SBR) |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 25 year |
Uniclass | |
CAWS | J30/110 Cold-applied tanking F30/360 Gas-resistant damp-proof courses/ cavity trays J30/130 Cold-applied damp-proofing J30/10 Cold-applied damp-proofing |
Specification data - Liquid tanking resins
Composition | Synthetic rubber-based, viscous liquid. |
Density | 1.5–1.6 g/cm³ at 20˚C. |
Drying time | One hour at 20˚C. |
Water vapour permeability | <0.5 g/m²/ day. |
Methane permeability | To ISO EN 15105-1, <28.8 ml/ m²/ day/ ATM. |
Carbon dioxide permeability | To ISO EN 15105-1, <267 ml/ m²/ day/ ATM. |
Radon permeability | To K124/02/95,<9.5 x 10⁻¹² m²/ s. |
Watertightness | Pass, 60 kPa. Guidance for specification option: Watertight at 0.6 mm thick. |
Adhesion to concrete | >1.1 N/mm². |
Elongation | To ASTM D2370, >100%. |
Dry film thickness | 600–1000 μm. Guidance for specification option: 600 μm - Brush/ roller application. 1000 μm - Airless spray application. |
Coverage | 1.7 kg/m² per two coat system. Guidance for specification option: For a dry film thickness of 0.6 mm then apply at 0.85 kg/m² per coat. For the application of a dry film thickness of 0.3 mm in a single coat it is recommended that the membrane is applied by airless spray. Using airless spray, a single application dry coat thickness up to 1 mm may be attained. |
Colour | Red. |
Crack bridging | To BS EN 1062-7 - A, Class A5 (>2.5 mm). Guidance for specification option: Dynamic Crack Bridging Ability BS EN 1062-7 - B4.2 No failure - 0.5 mm - 20 000 cycles. |
Third-party certification | British Board of Agrément (BBA) certificate and CE marked. |
Application temperature | >5°C. |
Sustainability data
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Material | Styrene-butadiene rubber (SBR) |
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