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About us
Leister Technologies AG
Plastic Welding Products
For nearly 70 years, LEISTER has been the global market leader when
it comes to devices for welding thermoplastic polymers in construction,
commercial, and industrial environments.The Plastic Welding Products
business unit comprises the business lines
- Technical Textiles & Industrial Fabrics
- Hand Tools
- Plastic Fabrication, Roofing & Flooring
- Geo
LEISTER and WELDY are brands of Leister Technologies AG and belong to this business unit.
Industrial Heating & Laser Systems
Since 1967, LEISTER has been the global market leader for hot-air modules and blowers, as well as hot-air blowers for industrial process heat applications.
At the start of 2018, LEISTER acquired Krelus AG, thus expanding its product portfolio to include powerful infrared systems.
LEISTER has provided plastic welding laser systems since 1998 and is also a technological leader when it comes to laser plastic welding processes.
The business unit is separated into the business lines
- Process Heat (incl. Infrared Systems)
- Laser Plastic Welding
LEISTER, NOVOLAS and KRELUS are brands of Leister Technologies AG and belong to this business unit.
UNIROOF AT/ST
versatile, easy to maintain, efficient
The UNIROOF AT/ST homogeneously welds single-ply thermoplastic liner, as well as bituminous materials, such as EPDM. But its ultra-thin housing design and movable transport axle are what really makes the machine stand out. It can fit into tight spaces just as easily as on top of a roof parapet. And with its integrated direct-driven, maintenance-free pressure wheel, it rises above competitive products with its higher pressure and noticeably greater welding speed. It is lightweight among other automatic roof welders; at 17.5 kg (39 lbs.), the UNIROOF AT/ST is surprisingly easily portable. Available as a fully-regulated AT version with digital display or as a controlled ST version with potentiometer.
MINIFLOOR Drive Unit
handy, economical, versatile
The MINIFLOOR Drive Unit turns the TRIAC hot air hand tool into a hot air welder in just a few seconds with undeniable flexibility. That significantly increases welding quality as well as reliability and makes work easier. Among MINIFLOOR’s special features: it can weld wall to wall so that welding the ends afterwards is not necessary. Seamlessly welds short joints and small surfaces almost twice as fast as by hand. Its dual axis drive ensures that it stays perfectly true to the groove. At just 5.3 kg it can be easily transported.
New GEOSTAR
faster, lighter, smarter
Wedge welding redefined: Leister's new GEOSTAR welders change the civil engineering landscape.This mid-size, lightweight welder boasts a robust, cast aluminum frame for quality welding of geomembranes. The GEOSTAR also features a unique digital display with all key weld parameters: heat, speed, pressure and supply voltage. The new design makes field servicing a cinch—wedge can be removed and replaced in under a minute. Additional features include: easy loading of material, natural flow of material through the machine and innovative handle ergonomics for easy carry and rest positions. The GEOSTAR is available in two performance classes: the standard GEOSTAR G5 and extended-wedge GEOSTAR G7.
