Reliable, Economical, Everywhere - UNIDRIVE

Meet the Unidrive

Roofing Equipment

Automatic Welders

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

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

UNIROOF 700 Automatic Welder
The UNIROOF is particularly suited for edges, hard-to-reach areas and smaller roofs.

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Purchasing

​Leister roofing equipment is available only through our Distributor Network. 

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​Recent Articles & Case Studies

5 Tips for Cold Weather Welding on the Roof
When the temperature begins to dip, welding roofing material takes on special challenges. Here are our tips to ensure a watertight weld in cold weather.​

Wedge versus Hot Air Welding of Thermoplastic Single Plies
The main difference between a wedge and a hot air welder is the way in which heat is transferred to the material. With a wedge welder, a solid piece of metal—the wedge—is heated and inserted between the two pieces of material. With a hot air welder, air is heated and then delivered between the two pieces of material via a hot air nozzle. ​

Tool Comparison: VARIMAT 500 and BITUMAT B2
We often get questions from customers about the VARIMAT 500 and the BITUMAT B2. These machines seem similar on paper but are specialized to deal with specific roofing materials. 

The Importance of using the Correct Tool for the Job
Why is using the correct tool for the job important? Results. ​Using a tool that is undersize for the job will give you unsatisfactory welding results. There are two factors at play: power and weight. ​

How to: Thermoplastic Membrane Test Welds
​Test welds are an important part of welding thermoplastics whether they’re used for roofing, tarps, pools, tunnels, landfills, or tailings ponds. Welds should be tested first thing in the morning and several times throughout the day to ensure that environmental changes are not compromising the strength of your welds. 

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​STANMECH Technologies Inc.

Established in 1981, STANMECH is your local Leister distributor. Our knowledgeable staff are here to answer any questions you may have about Leister tools. Located in Burlington ON, our warehouse stocks equipment, accessories, and parts to ensure quick delivery to our customers.

​Leister Technologies AG

Leister Technologies AG has over 70 years experience building hot air tools for industries including flooring, geomembrane installation, industrial fabric welding, manufacturing, plastic fabrication, and roofing. Leister tools are known for their high quality and long service life.