The Powerbase MultiGas 500 Membrane is a versatile geosynthetic barrier specifically designed to protect against hazardous gases such as radon, methane, and carbon dioxide, as well as safeguard against contaminated soils and pollutants.

This high-performance membrane features a durable aluminium laminate, which incorporates a foil between two layers of LDPE with a reinforcing scrim for added strength and durability. Complying with BS 8485:2015 + A1:2019 standards and certified by the BBA, it offers reliable protection for groundwater and environmental installations. It is independently tested to ISO 15105-1 standards and is suitable for NHBC green, amber 1, and amber 2 scenarios.

• Size: 2.0m x 50m
• Protects against radon, methane & CO2
• Reinforced with a scrim for durability
• Meets BS 8485:2015 + A1:2019 standards
• NHBC green, amber 1 & 2 compliant
• Independently tested to ISO 15105-1
• BBA Certified for quality assurance
• Suitable for contaminated soils and gas protection