GeoShield are a UK specialist in independent flat roof integrity testing and electronic leak detection, working with contractors, developers, facilities managers and warranty providers to ensure roofing systems are watertight and compliant. Their core service focuses on non-destructive electronic integrity testing, roof condition reports and moisture mapping to verify that new and existing flat roofs are free from defects.

GeoShield’s testing adheres to recognised UK guidance and industry standards. This includes British Standards BS 6229:2018 for flat roofs with continuously supported flexible waterproof coverings. Additionally, GeoShield’s methods reflect evolving best practice across the sector, including the Liquid Roofing and Waterproofing Association’s Guidance Note 18 on Electronic Integrity Testing, which sets out best practice for carrying out electronic integrity tests safely and consistently across different membrane types.

As members of RAWTA, GeoShield demonstrate their commitment to professional standards, technical competence and industry collaboration within the roof waterproofing and testing sector.

By combining technical expertise with robust reporting and traceable adherence to published standards, GeoShield help clients mitigate risk, protect warranties and deliver roofs that perform as intended.