About Us
BARRY MATHER
Managing Director
Barry is a highly experienced specialist in ground gas protection and membrane systems, with over 25 years working across design, installation, verification, and consultancy roles within the construction and environmental sectors. Barry is known for his clear, pragmatic approach - combining technical depth with common-sense solutions that work on site. His focus is on reducing risk, improving buildability, and helping project teams achieve compliance without unnecessary complexity.​
Professional Expertise
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Specialist gas membrane design and detailing
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Ground gas membrane installation and verification
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Project management for contaminated land and gas protection works
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Advisory support for architects, engineers, contractors, and developers
Industry Leadership & Standards
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Former member of the National Working Group for the Level 2 NVQ Installation of Gas Membranes
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Steering Committee member for CIRIA C735 – Good Practice on the Verification of Ground Gas Protection Systems
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Contributor to industry guidance and best practice around ground gas protection and environmental risk