LEISTER - VACUUM BELL 320x320 mm | Precise leak testing for professionals

✔ Precise leak testing of overlap and application seams
✔ Transparent test bell for direct visual inspection of the weld seam
✔ Rugged, durable plastic housing for use on the job site
✔ Easy to use with minimal effort
✔ Ideal in combination with LEISTER VACUUM PUMP

Precise leak testing for professionals

The LEISTER VACUUM BELL 320x320 mm is an essential testing tool for roofers, specifically designed for leak testing of overlap and application seams. It delivers reliable, immediately visible results, especially in demanding applications such as flat roof waterproofing, landfill construction, or tunnel construction.

When used with a compatible VACUUM PUMP, the test bell creates consistent negative pressure, allowing leaks to be detected quickly and fixed immediately—for maximum safety and quality.

For everyday professional use

Professional applications: test, visualize, ensure quality

The VACUUM BELL is placed directly over the weld seam being tested. The negative pressure created makes leaks immediately visible —and thanks to its transparent design, you can monitor the entire testing process at all times.

👉 Ideal for quick quality checks without complicated equipment.

Typical applications

• Flat roof waterproofing: Inspection of overlap weld seams
• Landfill construction: Testing of waterproofing membranes
• Tunnel construction: Ensuring watertight membranes
• Industry & specialist construction: Precise seam testing on membranes

Technical details

• Model: VACUUM BELL
• Size: 320 x 320 mm
• Material: Rugged, transparent plastic
• Application: Leak testing of weld seams
• Operation: In combination with VACUUM PUMP

Your benefits at a glance

Direct visual inspection
The transparent bell enables immediate visual testing for maximum safety.

Simple & efficient
Quick to use with minimal effort—ideal for daily use on job sites and for roofing supplies.

Reliable results
Consistent negative pressure reveals even the smallest leaks.

Durable & rugged
High-quality materials ensure a long service life, even with intensive use.

Why you need this tool for everyday work

The LEISTER VACUUM BELL 320x320 mm is the perfect addition for professional leak testing. It helps you identify faults early and ensure the lasting quality of your work.

An essential roofing tool for professionals who value safety, precision, and efficiency.

👉 Order now from Roofify and test weld seams reliably.