RSK is a global leader in the delivery of sustainable solutions with a family of more than 200 environmental, technical services.

As an independent gas-protection-system verifier, RSK Geosciences has a nationwide team of specially trained, experienced and competent geoenvironmental engineers to carry out our specialist services, totally independent from any membrane installation or manufacturing company.

We work within the guidance set out in: BS 8485-2015 (CoP for Gas Protection), CIRIA C735 (Good Practice on the Testing and Verification of Protection Systems), BRE 211 (2023) (Radon Guidance for Protective Measures for New Buildings) and the ASTM documents for verification testing.

We offer a full suite of services, from detailed visual and mechanical point stress tests through to air-lance testing and dielectric (spark) testing and can help with retrofitting of gas protection and recategorising gas risks on site.

Our experienced and highly qualified ground gas team are able to help or advise with all ground gas related issues

NVQ4, TGPV, practical knowledge of gas membranes (Neil Salvidge)