FLAT ROOF INSTALLATION - Hot air welding PVC flat roof seams.

http://www.coolflatroof.com/flat-roof... - PVC flat roof installation in Massachusetts.

This video shows the process of Flat Roof Installation of an IB PVC flat roofing membrane and hot-air welding the seams using Leister hand-welder and hand roller. Welding speed is about 2.5-3 feet per minute. Width of the weld is about 1 3/4 of an inch. Temperature setting - 8 or 500 degrees Celsius. (For converting from Celsius to Fahrenheit see http://www.temperatureconversions.org/).

Once you weld a PVC roof seam and let the membrane cool off to room temperature, it is impassible to separate the seam without tearing the membrane down to polyester reinforcement scrim - the seam is that strong. Learn more about PVC flat roofing: http://www.coolflatroof.com/flat-roof...