Description
The Visqueen Low Permeability Gas Membrane 4m x 12.5m is a durable, high-performance gas barrier designed to provide reliable protection against hazardous gases, including radon, carbon dioxide, and methane. This 0.5mm thick, yellow thermoplastic membrane is BBA certified and ideal for use in ground floor construction, either above or below structural floor slabs. It also serves as a damp-proof membrane, offering dual protection for residential and commercial applications on low-gas-risk sites.
Key Features:
- Certified Protection: This gas membrane meets NHBC Foundation’s NF94 requirements, is suitable for Type A and B membrane locations, and is certified to BBA 13/5069 standards.
- Dual Functionality: Acts as both a gas barrier and damp-proof membrane, making it versatile for various construction applications.
- Flexible Installation: Suitable for installation with taped or heat-welded joints, enabling secure sealing options.
- UV and Chemical Resistance: Resistant to alkaline conditions in concrete and cement, enhancing durability.
- NHBC Amber 1 Compatibility: Approved for use on low gas risk sites as per NHBC Amber 1 classification.
Usage Instructions:
- Surface Preparation: Install on a clean, continuous substrate free of voids or irregularities. Suitable substrates include smooth concrete or a 50mm sand blinding layer.
- Jointing Method: Overlap by 150mm and secure with Visqueen Pro Double-Sided Jointing Tape, sealing with Visqueen Foil Lap Tape. In challenging conditions, heat welding is recommended.
- Protection Post-Installation: Avoid prolonged UV exposure and protect the membrane after installation. Use a screed or Visqueen TreadGuard for added protection.
Benefits:
- Comprehensive Gas Protection: Provides a robust barrier against radon, CO₂, and methane, essential for safeguarding building occupants.
- Cost-Effective Solution: Dual functionality as a gas membrane and damp-proof layer offers added value.
- Long-Lasting Durability: Built to withstand harsh construction environments with high resistance to puncturing and chemical degradation.
Why Choose Stanley John LTD?
Stanley John LTD supplies high-quality construction membranes, including Visqueen products known for durability and reliability. Our selection ensures compliant and safe solutions for gas protection and damp proofing. Explore more options at our Damp Proof Membrane and Accessories page.
Specifications:
- Size: 4m x 12.5m
- Thickness: 0.5mm
- BBA Certified: Yes (BBA 13/5069)
- Applications: Gas and damp protection, NHBC Amber 1 low gas risk sites
Order Now:
Protect your project with Visqueen’s Low Permeability Gas Membrane 4m x 12.5m from Stanley John LTD. Visit our Damp Proof Membrane and Accessories page for more products.
