JUTA GP®5 DPM - Gas Resistant Membrane
Verified by manufacturer 5 months ago
BBA Agrément Certificate
Certificate type
JUTA GP®5 Gas Barrier is a multi-layer composite of virgin polyethylene (PE) with a central layer of EVOH to give high resistance to the passage of ground gas and organic vapours.
Application
Geomembrane suitable for restricting the ingress of radon, methane and carbon dioxide into buildings from landfill and naturally occurring sources.
Suitable for the following applications:
- VOC contaminated sites (site specific assessment required).
- Carbon Dioxide and Methane affected sites in accordance with BS 8485:2015 (A1+2019).
- Radon affected sites in accordance with BR 211:2015.
- Damp proof protection in accordance with Building Regulation Part C.
Description
JUTA GP®5 Gas Barrier is a multi-layer composite of virgin polyethylene (PE) with a central layer of ethylene-vinyl alcohol copolymer (EVOH) to give high resistance to the passage of ground gas and organic vapours. It also acts as a high performance damp proof membrane (DPM).
Features and benefits:
- CE marked to EN 13967.
- NHBC Standards compliant.
- Manufactured in accordance with BS 8485.
Should be installed in accordance with the product installation guidelines, and in accordance with BS 8485: 2015.
General information
Color | Black Silver |
Finish | Smooth |
Material | Polyethylene |
Shape | Other |
Length | 50000 mm |
Width | 2000 mm |
Height | 0.4 mm |
Warranty description | 60 year |
Uniclass | |
CAWS | D21/38 Gas-retardant membranes D21/350 Gas-retardant membrane J40/120 Loose-laid plastics or rubber sheet damp-proofing J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes J40/35 Loose-laid plastics or rubber gas-retardant membranes |
Specification data - Plastics sheets
Material | Virgin polyethylene (PE). |
Purpose | Gas retardance. |
Standard | To BS 8485. |
Performance characteristics | |
Tensile strength (minimum) | To EN 12311-2, >300 N/50 mm. |
Tear resistance | To EN 12310-1, >230 N. |
Resistant to underground gases | Vapour permeability to BS EN ISO 15105-1: Methane: 0.12 ml/m²/day/atm; Carbon dioxide: 1.53 ml/m²/day/atm; Benzene: 0.41 ml/m²/day/atm. To K124/02/95: Radon: 1.0x10-12 m²/s. |
Fire performance | To EN 13501-1, Class E. |
Third-party certification | British Board of Agrément (BBA) certificate. |
Physical properties | |
Colour | Black/ Silver. |
Weight (minimum) | 400 g/m². |
Dimensions | |
Thickness (minimum) | 0.4 mm. |
Width (minimum) | Manufacturer guidanceConsult manufacturer and insert requirements. |
Roll length (minimum) | Manufacturer guidanceConsult manufacturer and insert requirements. |
Recycled content | None – virgin material. |
Resistance to water penetration | To EN 1928, Pass. |
Impact resistance | To EN 12691-B, 500 mm. |
Puncture resistance | To ASTM D 4833, >160 N. |
Accessories | Not required. JUTA GP® DPC. JUTA GP® Primer. JUTA GP® Protection Fleece. JUTA GP® Self Adhesive Membrane. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Czechia |
Country of product manufacture | Czechia |
Material | Polyethylene |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 2.35 kg CO₂ eq/kg Self declared |
Recyclability | Fully Recyclable |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Third party certifications
BBA Agrément Certificate
GP5 Gas Barrier - BBA Certificate
Literature
JUTA GP5 DPM - Technical Datasheet
Case studies
Bluecoats School, Oldham