Powerbase Multigas

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Powerbase Multigas is a premium multilayer reinforced LDPE gas barrier membrane engineered to provide durable and reliable protection against radon, methane and carbon dioxide for buildings on sites with moderate to high gas risk. The membrane has high tear and impact resistance and also provides damp proof membrane protection. Green/silver in colour. CE marked. Supplied in 2m x 50m rolls. Powerbase Multigas 300 is independently tested to ISO 15105-1 and compliant with BS 8485:2015, achieving a methane permeation rate of 0.07 ml/m²/day. NHBC Green, Amber 1 and Amber 2 compliant. Powerbase Multigas 500 is the higher specification grade, BBA certified and compliant with BS 8485:2015+A1:2019. NHBC Green, Amber 1 and Amber 2 compliant. CE marked. Benefits Premium multilayer reinforced LDPE gas barrier membrane Protection against radon, methane and carbon dioxide Methane permeation 0.07 ml/m²/day NHBC Green, Amber 1 and Amber 2 compliant Also provides damp proof membrane protection Good to know CE marked Multigas 300, independently tested to ISO 15105-1, BS 8485:2015 compliant Multigas 500, BBA certified, BS 8485:2015+A1:2019 compliant Show more