Cetco GB-500 EVOH Membrane

Key Features & Benefits:

• 7-layer EVOH engineered barrier – maximum protection against radon, methane & CO₂
• Integrated bentonite geotextile – provides active self-sealing waterproofing performance
• Dual protection system – gas resistance and water ingress prevention in one membrane
• Compliant with UK standards – meets BS 8485:2015+A1:2019 & BS 8102:2009
• NHBC approved – suitable for AMBER 1 and AMBER 2 site conditions
• Versatile installation – can be used with passive or active sub-slab ventilation
• Hydrostatic & non-hydrostatic performance – adaptable to multiple ground conditions

Applications:

• Gas and waterproofing protection for new builds on contaminated or landfill sites
• Sub-structure waterproofing in residential, commercial, and industrial projects
• Areas at risk from radon, methane, and carbon dioxide gas ingress
• Projects requiring compliance with NHBC, BRE, CIRIA, and BSI codes
• Installations with passive or active ventilation systems via GEOVENT composites