The independent self-regulatory body for the radon protection industry

GeoShield Verification & Integrity Testing

GeoShield Verification & Integrity Testing are experts in all areas of construction membrane testing & verification. GeoShield are a fully independent hazardous ground gas protection system verifier not only in the United Kingdom but internationally. We are founder members of the British Verification Council (BVC), are members of the Radon Council of Great Britain, the UK Radon Association and the European Radon Association, we hold ISO 9001 and ISO 14001 certification and are certified with Construction Line Gold membership. Geoshield are functional members of many industry steering committees and design standard reviews.

All GeoShield testing processes are in accordance with CIRIA 735 - air lancing, tracer gas, smoke testing, dielectric, low voltage ELD testing and vacuum box testing.

GeoShield possess decades worth of experience in on-site Quality Assurance Programming & Warranty System support, specific fields include:

  • Hazardous Ground Gas Protection System installations
  • Subterranean Waterproofing, Types A, B & C
  • Green & Blue Roof Waterproofing Electronic Integrity Testing
  • All Vapour Control Protection Membrane Installation

GeoShield work in alignment with all current UK Government advice & standards and receive UK Government support for global expansion via the Department of International Trade.

At GeoShield we are committed to the continuous upskilling of our workforce and increasing the levels of competency throughout all the areas of the construction world. We take great pride in being the only verification company that can assess NVQ 2 ground gas installation, NVQ 4 verification and the new CL:Aire GPVS. Our verifiers are NVQ 4, SGPV/TGPV NVQ 2 and CSSW qualified. The GeoShield Training Centre is open to all applicants.


Fundamentally, at GeoShield we realize that each construction project is unique and so approach every contract with a bespoke attitude tailormade for your specific requirements.

Area of operation:

Course booking Terms and Conditions

  1. All course fees are payable in full at time of reservation unless agreed otherwise.
  2. A refund of 60% of the amount paid will be made in the event of receipt of written cancellation at least FOUR weeks prior to the date of the course. No refund can be made on cancellation thereafter.
  3. If a candidate cannot attend the course on the agreed date, the candidate may be able to attend the next identical course. If they miss this next identical course, they cannot attend another without the payment of course fees. 
  4. Substitution of delegates (from the same company/firm) can be made at any time prior to the start of the course.
  5. In the event that a course is oversubscribed, The Radon Council reserves the right to place candidates on the course as the course fee is paid. When the course is full, the remaining candidates will be moved to the next suitable course. 
  6. All course documentation is provided solely for the private training and study purposes of individual delegates. Copyright is reserved on all material prepared and provided by The Radon Council.
  7. The Radon Council reserves the right to make any alterations to course arrangements necessitated by circumstances beyond its control.