How To Weld Pvc Roofing

Pvc is relatively light and can be purchased in milages between 36 and 90 mils as mentioned before a mil is 0 001 of an inch.

How to weld pvc roofing.

Welding speed is about 2 5 3 feet. Immediately begin moving the machine along the lap to prevent scorching of the membrane. However the standard pvc roofing membrane is about 50 mils. The welds are tested by pulling the weld apart by hand.

45 mils equal 0 045 inches. 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. Hot air welding makes material overlaps last a lot longer than those on epdm rubber roofs and other torch applied or glued flat roof systems. Good welds require a lot of force but it s the way the weld comes apart that s the key.

Welding operation automatic welders. Though the primary color of a pvc roofing membrane is white it can come in a variety of colors and hues. Pvc the material on either side of the weld has a dull finish or there is brown discolouration hand welding the welding rod is completely flattened or smeared extrusion welding when probing the material in the preheated zone ahead of the welder there is significantly more than 0 5mm of penetration. Weld the 18 457 mm pieces together and then allow the membrane a few minutes to cool.

Cut a 1 25 mm wide strip across the welded material.