✔ Compact roof welding machine for areas up to approx. 500 m²
✔ Powerful (3450 W) – precise weld seams up to 600 °C
✔ Close-to-edge working up to 100 mm – ideal for parapets & details
✔ Closed-loop technology for constant welding parameters
✔ Lightweight & 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 welding machine 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 power, precision, and handiness.

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

Use in Professional Everyday Life

Specialized application: 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 & upstands
• Roof edges & terminations
• Renovations & new constructions
• Detail 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 Benefits 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 working – perfect for details and medium 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 Your Daily Work

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

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

👉 Order now from Roofify and weld professionally.