Verified by manufacturer 3 months ago
BBA Agrément Certificate
Certificate type
Multi-layer, low-density polyethylene membrane, reinforced with a polypropylene grid and integral aluminium foil.
Suitable for restricting the ingress of radon, methane and carbon dioxide into buildings from landfill and naturally occurring sources.
JUTA GP®1 Gas Barrier is a multi-layer, low-density polyethylene membrane, reinforced with a polypropylene grid with integral aluminium foil. GP®1 is specifically designed and manufactured to perform as a Methane, Carbon Dioxide, Radon, Ground Gas, VOC, air & moisture protection system.
Features and benefits:
Should be used on any site where carbon dioxide, methane or radon is present up to and including CIRIA 665 SITUATION 6. The barrier is sufficiently resistant to the ingress of harmful gases into a building. On more heavily contaminated sites a passive or active venting system may be required to dilute the gases down to acceptable levels and specific design advice should be sought.
Color | Black |
Finish | Smooth |
Material | Polypropylene Aluminium |
Shape | Rectangle |
Length | 50000 mm |
Width | 2000 mm |
Height | 0.6 mm |
Warranty description | 60 year Guidance for specification option: (Minimum). |
Uniclass | |
CAWS | J40/35 Loose-laid plastics or rubber gas-retardant membranes D21/38 Gas-retardant membranes J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes J40/145 Loose-laid weldable polyethylene gas-retardant membranes D21/350 Gas-retardant membrane |
Product range |
Material | Low-density polyethylene (PE-LD). |
Purpose | Gas retardance. DPM Damp Proof Membrane. |
Standard | To BS 8485: 2015 + A1 2019. |
Third-party certification | British Board of Agrément (BBA) Certificate.Guidance for specification option: Certificate No. 12/4912. CE Mark - EN 13967. |
Performance characteristics | |
Tensile strength (minimum) | 480 N/50 mm. |
Tear resistance | 330 N, 400 N. |
Elongation to break | 20%. |
Resistant to underground gases | Methane - 0.09 ml/m²/day atm. Carbon Dioxide - 0.09 ml/m²/day/atm. Radon - 8 x 10(-15). |
Fire performance | Reaction to Fire: Class E. |
Recycled content | 0%. |
Form | Polypropylene reinforcing grid with aluminium foil. |
Root inhibitor | Included. |
Physical properties | |
Colour | Black. |
Weight (minimum) | 370 g/m². |
Dimensions | |
Thickness (minimum) | 0.6 mm. |
Width (minimum) | 2 m. |
Roll length (minimum) | 50 m. |
Contains Red List materials | No |
Country of material origin | Czechia |
Country of product manufacture | Czechia |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.35 kg CO₂ eq/kg |
Recyclability | Fully Recyclable |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
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.
Platform | Compatible | Version |
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