Thermoplastic Welding Tips That Have Stood the Test of Time

Directory Of licensed contractors - Talk To Technicians - Blog - However, the equipment we were using was a technology transfer from the linoleum industry. And if we were welding six feet a minute we were ?flying. ?. At the time, this was a totally foreign concept and process to me since I had been raised installing built-up roof (BUR) membranes. Fortunately, the welding process saw advancements in the late 1970s and early 1980s, most notably moving away from the use of tetrahydrofuran (THF), a fairly toxic and highly flammable solvent, to hot air. There were also a number of lessons learned along the way. And in that time the materials and welding technology have changed significantly. I?ve done and seen more than my fair share of welding over the past 40 years. For the old-timers out there, how many of you remember manufacturers saying these new thermoplastic materials could be welded ?straight through water??aIn the early 1970s I learned how to solvent weld PVC membranes. Free contractor estimates - cool roof, cedar shake roof, fibreglass roof, polycarbonate roofing. It was effective, but more often than not the automatic welders had to be run on strips of sheet metal so they didn?t create seam wrinkles. The hot air welding process was ushered in with the introduction of automatic hot air welders ..More

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