Leister manufactures high-quality premium hot air welding products with strong, reliable performance. For sealing flat and pitched roofs, roofers from all over the world rely on proven Leister automatic welding machines. Products like the VARIMAT V2 are perfect for overlap welding TPO and PVC roof membranes on large flat roof surfaces. For medium-sized flat or pitched roofs, the smaller and handy lightweight UNIROOF semi-automatic welding machine is used for TPO, PVC and even Bitumen roofs! If you do not see what you are looking for, please call us at 1 (800) 267-2308 and as for an E-Commerce Representative.