✔ Compact automatic roof welding machine for surfaces up to approx. 500 m²
✔ Powerful (3450 W) – precise weld seams up to 600 °C
✔ Work close to edges up to 100 mm – ideal for parapets & details
✔ Closed-loop technology for consistent welding parameters
✔ Lightweight & mobile (only approx. 17 kg) – perfect for flexible use

LEISTER UNIROOF 300 – Compact automatic welding machine for maximum control

The LEISTER UNIROOF 300 is a powerful and compact automatic roof welding machine for the professional welding of thermoplastic roof membranes. It was specifically developed for medium-sized surfaces and detail workand offers the perfect combination of performance, precision, and ease of handling.

Whether on flat roofs, parapets, or connection areas, the UNIROOF 300 lets you work efficiently and reliably.

Use in professional day-to-day work

Specialist applications: welding, sealing, detail work

The UNIROOF 300 is ideal for welding plastic waterproofing membranes such as PVC, TPO, EVA, or PIB. Thanks to its compact design, you can easily reach even hard-to-access areas.

👉 Perfect for precise work on roof edges and connections.

Typical applications

• Flat roofs up to approx. 500 m²
• Parapets & balustrades
• Roof edges & terminations
• Renovations & new builds
• Detail work on large roof surfaces

Technical details

• Model: UNIROOF 300
• Power: 3450 W
• Temperature: up to 600 °C
• Welding speed: up to 10 m/min
• Seam width: 40 mm
• Weight: approx. 17 kg
• Motor: Brushless, maintenance-free
• Technology: Closed-loop control

Your benefits at a glance

Precise & consistent results
Closed-loop technology ensures stable welding parameters - for permanently watertight seams.

Compact & flexible
Easy to transport and ideal for work close to edges - perfect for details and medium-sized areas.

Easy to use
Intuitive display controls for temperature, speed, and air volume.

Powerful & durable
Rugged construction and maintenance-free motor for daily use on the construction site.

Why you need this device for everyday work

The LEISTER UNIROOF 300 is the perfect solution for anyone looking for flexibility and performance in a compact automatic welder. It ideally complements large machines and enables precise work where other devices are too cumbersome.

An indispensable tool for roofing supplies - for clean, safe, and efficient welding work.

👉 Order now from Roofify and weld professionally.