✔ Compact roof welding machine for areas up to approx. 500 m²
✔ Powerful (3450 W) – precise weld seams up to 600 °C
✔ Close-to-edge work up to 100 mm – ideal for parapets & details
✔ Closed-loop technology for constant welding parameters
✔ Light & mobile (only approx. 17 kg) – perfect for flexible use

LEISTER UNIROOF 300 – Compact Automatic Welder for Maximum Control

The LEISTER UNIROOF 300 is a powerful and compact automatic roof welder for the professional welding of thermoplastic roofing membranes. It was specially developed for medium-sized areas and detailed work and offers a perfect combination of performance, precision and handling.

Whether flat roof, parapet or connection areas – with the UNIROOF 300, you work efficiently and reliably.

Use in professional daily life

Specialist application: Welding, sealing, detailed work

The UNIROOF 300 is ideal for welding plastic sealing 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 & finishes
• Renovations & new buildings
• Detailed work on large roof areas

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 advantages at a glance

Precise & consistent results
The closed-loop technology ensures stable welding parameters – for permanently tight seams.

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

Easy operation
Intuitive display control for temperature, speed and air volume.

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

Why you need this device in everyday life

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 unwieldy.

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

👉 Order now at Roofify and weld professionally.