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    • Gas Membrane Verification
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  • …  
    • Home
    • About Us
    • Resources
    • Contact Us
    • Book a Visit
    • Services 
      • All Services
      • Gas Membrane Verification
      • Ground Gas Design
      • Radon Protection
  • Home
  • About Us
  • Resources
  • Contact Us
  • Book a Visit
  • Services 
    • All Services
    • Gas Membrane Verification
    • Ground Gas Design
    • Radon Protection
  • …  
    • Home
    • About Us
    • Resources
    • Contact Us
    • Book a Visit
    • Services 
      • All Services
      • Gas Membrane Verification
      • Ground Gas Design
      • Radon Protection
  • Radon Protection

    Radon is a naturally occurring radioactive gas that can build up inside buildings. In radon-affected areas, the Building Regulations require new homes and extensions to include radon protection, following the guidance in BRE BR 211. The level of protection depends on how high the radon risk is at your site.

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  • How we can help

    • Radon barrier and sump or ventilation detailing
    • Independent verification of radon barriers before they are covered
    • Combined verification where a site needs protection from methane and carbon dioxide as well as radon

    Why inspect before the floor is laid

    A radon barrier only works if every lap, seal and penetration is sound. An inspection before the floor is laid gives you and building control that assurance.

    Where we work

    Our head office is in Lancashire, with verification managers covering the North and South of England and Wales. We come to your site at a time that suits your programme.

© 2026 FS Verification

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