✔ Large test area (830 x 320 mm) for quick leak detection
✔ Transparent design for direct view of the weld seam
✔ Integrated pressure gauge (Bar/PSI) for precise pressure monitoring
✔ Robust, impact-resistant plastic for on-site use
✔ Easy operation with thumb-pressure ventilation

Efficient leak testing of large weld seams

The LEISTER VACUUM BOX 830x320 mm is a professional testing device for roofers and special construction, specifically developed for the quick and reliable leak testing of plastic weld seams.

Whether on a flat roof, terrace, or with geomembranes – with this vacuum box, you'll immediately detect leaks and prevent costly consequential damages.

Use in daily professional life

Specialized application: Test, monitor, ensure quality

The VACUUM BOX is placed directly on the weld seam, and a vacuum is generated using an external VACUUM PUMP. Thanks to its transparent design, you can keep an eye on the test area at all times and immediately detect leaks.

👉 Ideal for large-area inspections with maximum efficiency.

Typical applications

• Flat roof waterproofing: Inspection of plastic membranes
• Geomembrane installation: Testing of sealing systems
• Terraces & structures: Ensuring tight weld seams
• Industry & special construction: Leak testing of large areas

Technical details

• Model: VACUUM BOX
• Size: 830 x 320 mm
• Test area: approx. 810 x 310 mm
• Material: Impact-resistant, transparent plastic
• Pressure gauge: Bar/PSI scale integrated
• Operation: Thumb-pressure ventilation
• Operation: With external VACUUM PUMP (please order separately!)

Your advantages at a glance

Efficient large-area inspection:
The large test area allows long weld seams to be inspected in one pass – saving time and increasing productivity.

Maximum control
Thanks to the integrated pressure gauge, you have the vacuum in view at all times – for precise and reliable results in roofing supplies.

Robust and durable,
high-quality materials and resistant seals ensure a long service life in daily construction use.

Simple and intuitive
ergonomic operation and quick ventilation make the application particularly comfortable.

Why you need this tool in your daily work

The LEISTER VACUUM BOX 830x320 mm is the ideal solution for anyone who wants to test large weld seams quickly, safely, and professionally. It increases the quality of your work and sustainably minimizes the risk of leaks.

An indispensable roofing tool – for professionals who prioritize efficiency, precision, and safety.

👉Order now at Roofify and perform leak tests at a professional level.