Powerbase Multigas Barriers are multilayer reinforced LDPE gas barrier membranes for radon, methane and CO2. They incorporate an aluminium layer that is protected by a separate coating. Key Features Protects against radon, methane & CO2 Reinforcement scrim CE certificate BS 8485 compliant Independently tested to ISO 15105-1 NHBC green, amber 1&2 A foil tape must be used for methane & CO2 0.5mm Thick - 370gsm
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