Air Tightness Testing
Air Tightness Testing Air Tightness Testing (AKA Air Permeability Testing Air Leakage Testing, Air Pressure testing) is the test to measure the rate at…
checkNon-invasive, evidence-based diagnosis
checkInsurance-grade reporting with photographs
checkUKAS-accredited methods and equipment
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Building Compliance
Pruebas de estanqueidad
Air Tightness Testing (also called air permeability, air leakage or air pressure testing) measures the rate at which air leaks through the external building fabric. It matters for energy efficiency and has been a mandatory part of UK Building Regulations since 2006. Trace performs accredited testing to current standards.
Alcance
Level 1 and Level 2 testing
Trace provides air tightness testing for both property levels:
- Level 1: dwellings or non-residential premises up to 4,000 m2 gross envelope area
- Level 2: commercial buildings over 4,000 m2 gross envelope area
How we work
On-site support and re-testing
Our experienced technicians mobilise at short notice and work to your programme. If a test fails to meet requirements we advise on site, and where remedial works can be carried out immediately (expanding foam, silicone or caulk) we aim to re-test straight away to secure a successful outcome.
Trace offers cost-effective packages, especially when testing forms part of our full consultancy and testing package.
How it Works
Advanced diagnostic methods reveal what standard surveys cannot detect or explain.
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Book an assessment
Contact us with details about your property and the issues you're facing.
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Site investigation
Our team arrives with advanced diagnostic equipment to examine every relevant surface and system.
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Reporting and remediation
You receive a comprehensive report with findings, root causes, and actionable remediation steps.
Case Studies
Real problems, real solutions
See how we've solved complex building defects
Ultrasonic leak detection on a listed facade
How Trace located the source without destructive opening-up and delivered a clear remediation plan.
Commercial roof moisture survey, Central London
How Trace located the source without destructive opening-up and delivered a clear remediation plan.
Tracing a hidden pipe leak under a Victorian terrace
How Trace located the source without destructive opening-up and delivered a clear remediation plan.
Not sure what you are dealing with?
Talk to an independent Trace surveyor and get to the cause, not just the symptom.
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Opiniones de clientes
““Please with the work and the speed it was carried out.””
““Exceptional Workers.””
““Very grateful for efficient service.””
““Very Pleased with the job.””
““Very decent & hard working team.””
““Very Conscientious and helpful.””
Accredited & certified
Booking an air tightness test?
Talk to us about accredited air tightness testing for your building.