Independent Third Party
Green Roof Waterproofing Barrier
Integrity Testing

Are you complying with your roof deck warranty providers requirements?
New Build: 3rd Party Integrity Testing Services All Weather Electronic Leak Detection
Green Roof/Blue Roof/Buried & Podium Decks – Latent Defects Policy Support
Call the GeoShield Roof Deck Leak Detection Specialist Response Team
Call the GeoShield Roof Deck Leak Detection Specialist Response Team
The GeoShield Roof Leak Detection Team is a dedicated group of skilled professionals employed directly by GeoShield. With years of expertise in identifying roof membrane issues, our team is committed to delivering precise and reliable results. Unlike subcontractors, our employees are part of the GeoShield family, ensuring consistency, accountability, and the highest standards of quality on every project.
From state-of-the-art technology to hands-on expertise, the GeoShield team works seamlessly to test waterproofing membranes have been installed correctly and according to all industry standards. Our goal is simple: to protect your property with unmatched service and trusted solutions you can count on.

















It is a requirement from UK Warranty providers MD Insurances Services, Premier Guarantee (ref page 335), LABC Guarantee (section 11.6.14) and NHBC Standards 2023 (ref section 7.1.13) that 100% Independent Third Party Integrity Testing is carried out for the waterproofing barrier on Buried Podiums/Roofs, Blue Roofs, & Green roofs.
‘Integrity testing of the waterproofing layer’ The waterproofing layer should be inspected for defects after installation. Any defects are to be repaired and retested and left in a satisfactory condition
At GeoShield Global – Verification Programs For Ground Gas Protection, Waterproofing & Roof Decks we carry out Electronic Test Methods (ELD) as per those advised by The Roof And Waterproofing Test Association.
To learn more about the speciality testing capabilities of GeoShield Roof Deck Integrity Services please call the Roof Deck Leak Detection Specialist Response Team or complete the form on this page
Need More Information?
At GeoShield we realise every project is unique and GeoShield have the experience to deal with all types of roofing and requirements of our customers. Our bespoke service provides testing for all types of flat roofing, providing a full Health and Safety Plan, Risk Assessments and Method Statements, which result in a comprehensive O&M Manual upon completion.
- Flat Roofs
- Podium Decks
- Buried Decks
- Balconies
- Cold Roofs
- Green Roofs
- Blue Roofs
- Warm Roofs
GeoShield offer a wide range of state-of-the-art testing as requested by most structural warranty providers, These include:

High Voltage Dielectric
Electronic Integrity Testing

Low Voltage Earth
Leakage Testing

Differential Pressure
Vacuum Testing

Drone Surveying &
Thermal Imaging
- Efficacy of the method testing procedures
- Proof of the experience and training of the testing surveying team
- Appropriate trade body membership, including their code of conduct for the services provided