Testing Services
Vacuum Bell Testing
Vacuum Bell Testing: The Fast, Visible Way to Guarantee Every Seam Is Watertight
Non‑Destructive
Pinpoint Leaks Before They Cost You
When it comes to waterproofing integrity, even the smallest leak can become a major problem. Vacuum Bell Testing provides a fast, visual, and non‑destructive way to confirm the watertightness of welded or bonded waterproofing membranes. By applying a transparent vacuum dome and a light soap solution, escaping air forms visible bubbles that immediately reveal any defect — giving you instant clarity before the system goes into service.
Why Use Vacuum Bell Testing
Instant Results: See exactly where leaks are occurring — in real time.
Zero Guesswork: Detect even hairline imperfections that other methods miss.
Non‑Destructive and Safe: No damage to the membrane system or finishes.
Efficient and Cost‑Effective: Quick setup and immediate verification.
Ideal for High‑Risk Environments: Perfect for tanks, roofs, tunnels, and critical seams.
When to Use It:
Quality assurance before filling tanks or planter boxes
Verification of PVC, TPO, or similar sheet‑applied membranes
Testing of weld seams, corners, upstands, or penetrations
Preventative testing before backfilling, tiling, or final finishes
The Difference With Waterproofing Integrity
Our technicians use precision‑calibrated equipment and proven methods to perform comprehensive membrane integrity checks with clear, immediate, and defensible results. We don’t just test — we help protect your investment by ensuring your waterproofing system is watertight before the true test of time and use begins.
Request Vacuum Bell Testing Services
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Why Independence Is Everything
No product affiliations
We don’t sell membranes, coatings, or systems. Our advice is based on what’s right for your project, not what earns us a commission.
No contractor relationships
We don’t install and we don’t subcontract to installers. When we inspect or test, there is no commercial pressure to approve.
No conflicts of interest
When our report says a membrane has failed, it’s because the data says so. Our NATA accreditation means our testing has legal standing.
NATA Accredited
Accreditation No. 21463 | Site No. 25832
Accredited for testing and inspection of waterproofing systems.
AIW Member
Australian Institute of Waterproofing
David Previte, Founder — President of the Australian Institute of Waterproofing.
MBA NSW
Master Builders Association of NSW