GP®H Hydrocarbon and Gas Barrier is a monolayer, high density polyethylene membrane. Specifically designed and manufactured to perform as a hydrocarbon and VOC, air and moisture protection system. GP® H is chemically resistant to a range of hydrocarbons, acids and aggressive ground salts, providing a solution for a range of demanding applications.
GP® H – high performance SUDS, permeable paving, hydrocarbon and gas barrier is a mono layer, high density polyethylene membrane specifically designed and manufactured to perform as a robust hydrocarbon protection system, which is suitable for use in various demanding geomembrane applications where hydrocarbons are present.
GP® H is a fully weldable, category 2 attenuation grade liner fully conformant to C753 and BS7533-13 (Code for
Sustainable Homes 2006) and is CE marked for use in the following application areas: EN13361, EN 13362, EN13492, EN13493, EN13382 (listed requirements for SUDS system impermeable liners).
GP® H complies with the latest codes of practice as published by BRE and CIRIA. Suitable for use as gas and vapour protection for NHBC GREEN and AMBER 1 site characterisations. GP® H is also suitable as a hydrocarbon barrier for attenuation tanks, permeable paving and structural waterproofing.
GP® H provides resistance to root penetration from invasive species, including (but not limited too): Japanese Knotweed, Bamboo, Mustard Seed, Meadow Grass, Ivy, Hybrid Poplars, Willow, Elm, Maple, Mare’s tail, ground creeping plants, edible plants and aquatic plants.
GP® H is a robust weldable geomembrane suitable for attenuation tank encapsulations, porous sub-base installations, containment and cut-off trenches, structural waterproofing. GP® H is suitable for use where sites are affected but various hydrocarbons and VOC’s. GP® H is a chemically inert membrane offering designers and specifiers a range of critical properties that meet the needs of today’s demanding geomembrane applications including high water table sites. GP® H can be fully welded where required.
For use in various demanding geomembrane applications where hydrocarbons are present. Suitable for use as gas and vapour protection for NHBC Green and Amber 1 sites. Also suitable as a hydrocarbon barrier for attenuation tanks, permeable paving and structural waterproofing.
GP® H should be installed on a blinded or smooth surface, free from sharp protrusions (typically maximum permissible particle size in direct contact with the membrane should be <10 mm). Avoid areas of unsupported membrane. Where required, adequate protection should be applied over the membrane to prevent damage after installation. GP® H exhibits superior welding properties, making it ideal for on-site welding joints.
A selection of standard details for information and education purposes only. Note - it is strongly advised appropriately qualified, and insured personnel undertake gas membrane installs. A gas membrane performs a critical function in the application setting and has an anticipated design service life in excess of 60 years. Do not attempt to install gas membranes from these details alone. Sole rights for use and distribution are owned by JUTA UK LTD.
Store in a warm clean and dry environment, with rolls stacked no more than 5 units high. GP® H is classified as non-hazardous. It is chemically inert and is not affected by acids and alkalis that may be present in the subsoils. The material is not recommended for uses where it will be exposed to long periods of outdoor weathering, such as exposure to Ultraviolet light that will embrittle the product. Care should be taken to avoid accidental damage when handling the membrane on site.
Compliance & Certifications
CE Mark - EN13967:2012
CE mark - EN13361, EN13362, EN13492, EN13493, EN13382
BS7533-13 and ‘Code for Sustainable Homes 2006’ Conformant
Conforms to CIRIA C697 and C753 as an Attenuation Membrane
Site Investigation Reports Monitoring Results. We review these reports and advise routes for compliance.
Full Ground Gas Protection System Design available.
Wide library of standard details with site specific details on request.
All our installers are certified NVQ Level 2 qualified installation contractors.
We ensure your project complies with the relevant building regulations.
Ground Gas Standards
There are many different standards and guidance documents that detail how to understand the risk of ground contamination, and design solutions to mitigate these risks. The different documents relate to different ground contamination. Below are some of the key documents to be aware of and refer to:
CIRIA C735:2014 – Good practice on testing and verification of protection systems to buildings from hazardous gases
Good practice on testing and verification of protection systems to buildings from hazardous gases
Check design and detailing is in accordance with site requirements
Checks the competency of the installer (NVQ LEVEL 2 minimum)
Test integrity of the membrane/barrier system
Written report on inspection/testing and sign-off
BS8102:2009 – Code of practice for protection of below ground structures against water from the ground
JUTA Solutions & Applications
Our gas protection membranes suit a variety of applications and situations, with our TITAN® range offering not only gas protection but also having superior waterproofing and invasive weed control qualities.
If you feel first class service, premium products direct from source, and bespoke solutions are right for you then don't hesitate to contact our team today on 01772 754177 or email us at email@example.com
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