Leister Approved!

Industrial Heat Sources is the exclusive master distributor and service center in the Midwest for Leister's full line of roofing and industrial-heating products. If you are in our 24-state region, then the Leister products and services you need are just a phone call away!

Our staff is trained, tested and approved to sell, service and support Leister plastic-welding and hot-air equipment across an array of applications: Roofing, Sign & Banner, Flooring, Plastic Fabrication
and Electronics.

Industrial Heat Sources also maintains a network of certified Leister distribution centers throughout the Midwest to ensure you receive superior service and support.

View Our Roofing Distribution Map

View Our Heat Source Distribution Map

Leister Process Technologies

For more than 50 years Leister Process Technologies has been the worldwide leader in plastic-welding and hot-air equipment.

Leister plastic-welding products are used in roof sealing systems, floor coverings, plastic sheeting, earthworks, hydraulic and tunnel engineering, process equipment manufacturing and for vehicle repair.

Leister also is the preferred choice in process heat, increasingly being deployed in industrial processes, whether for activation, heating, curing, melting, shrinking, welding, sterilization, drying or warming. Leister, with headquarters in Sarnen, Switzerland, is ISO 9001 certified. To guarantee maximum quality, Leister develops and produces all its products and accessories (more than 10,000 items) on its own state-of-the-art manufacturing premises.