Leister

Hot Air Welding Done Right

January 31, 2018 at 9:17 a.m.

Hot air welding thermoplastic seams under changing environmental conditions. By Mike Russo. Today’s most powerful hot-air welders for overlap welding of thermoplastic membranes are advertised to achieve speeds of up to 18 meters (59 feet) per minute. That’s fast enough to quickly ruin a roofing contractor’s day. These robotic welders are digitally monitored ...