Reliable, Economical, Everywhere - UNIDRIVE

The newest Leister welder

Automatic Welders

Comparison Chart
A quick product comparison for automatic roof welding tools.

VARIMAT 500 Automatic Welder
The VARIMAT 500 from Leister ensures reliable process safety when welding flat roofs.

UNIROOF 700 Automatic Welder
The UNIROOF is particularly suitable for edges, hard-to-reach areas and smaller roofs. Closed-loop control and the innovative Monitored Welding Assistant ensure process reliability.

UNIROOF 300 Automatic Welder
The UNIROOF is particularly suitable for edges, hard-to-reach areas and smaller roofs. Closed-loop control of the temperature, speed, and air volume ensure reliable welds even in changing conditions.

BITUMAT B2 Automatic Welder
The BITUMAT B2 is a high speed flameless automatic welding machine for welding modified bitumen (SBS, APP).

UNIDRIVE Semi-Automatic Welder
The UNIDRIVE 500 welds every overlap, even if space is tight, three times faster than manual welding.​

Hot Air Hand Tools

TRIAC ST Hot Air Hand Tool
The new TRIAC ST from Leister is the seventh generation of the revolutionary TRIAC family of tools. Easy to use, output is controlled via a rotary knob just like the TRIAC S.

TRIAC ST Roofing Kit
This all-in-one roofing kit is made exclusively from Leister tools and accessories.

TRIAC ST Decking Kit
This all-in-one decking kit is made exclusively from Leister tools and accessories.

TRIAC AT Hot Air Hand Tool
The TRIAC AT offers the advantages of closed-loop temperature control, independent air flow control, and a digital display.

ELECTRON ST Hot Air Hand Tool
The ELECTRON ST is a real powerhouse among Leister's hand tools; it provides high heating efficiency and large air volume in a compact size.

Weld Testing Equipment

EXAMO Tensiometer
Ideal for tensile measurements directly at the construction site. Optional data recording to a memory card. Clamp separation width 600 mm.