LEISTER - UNIDRIVE 500 (40 mm) | Compact Semi-Automatic Welding Machine

✔ 2-in-1: Hand and automatic welding in one device
✔ Powerful (2400 W) at just 4.5 kg – ideal for mobile use
✔ Dual drive for fast, even weld seams
✔ Adjustable temperature (100–580 °C) & speed up to 4.5 m/min
✔ Maintenance-free thanks to its brushless motor

Compact semi-automatic welder for professionals

The LEISTER UNIDRIVE 500, 40 mm, 220–240V / 2400W is the perfect solution for roofers who want to combine flexibility, performance and precision in one device. As a compact semi-automatic welder, it combines hand welding and automated operation – ideal for versatile use on the job site.

Whether small roof areas, connections or detail areas: With the UNIDRIVE 500, you work faster, more cleanly and significantly more efficiently.

Use in everyday professional work

Use for specialist applications: welding, sealing, detail work

The UNIDRIVE 500 was specifically developed for welding thermoplastic roof membranes such as PVC and TPO . Thanks to its dual drive and compact design, it is perfect for work where large automatic welders reach their limits.

👉 Ideal for precise work directly on the component.

Typical applications

• Flat roofs: Small to medium-sized roof areas
• Connection areas: Parapets, skylights, penetrations
• Patios & balconies: Precise waterproofing work
• Roof renovation & new construction: Flexible use wherever manual work is required

Technical details

• Model: UNIDRIVE 500
• Voltage: 220-240 V
• Power: 2400 W
• Working width: 40 mm
• Temperature: 100 - 580 °C (adjustable)
• Speed: up to 4.5 m/min
• Weight: 4.5 kg
• Motor: Brushless (maintenance-free)
• Drive: Dual drive

Your benefits at a glance

Efficiency through dual drive
Work faster than with classic hand-held welding devices - for greater productivity in roofing supplies.

Consistent welding quality
Sensor monitoring ensures consistent parameters - even with fluctuating voltage.

Flexible & compact
Perfect for tight spaces and detail work - where large automatic machines cannot be used.

Ergonomic & lightweight
Comfortable to handle at just 4.5 kg - even during longer periods of use.

Why you need this device in your everyday work

The LEISTER UNIDRIVE 500 bridges the gap between manual and automatic welding. You work faster than by hand while remaining maximally flexible - a real advantage in modern roofing.

An indispensable roofing tool - for precise, efficient and durable waterproofing.

👉 Order now at Roofify and take your welding work to the next level.