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SNIPS Industry Icon David Daw reviews the developments of the HVAC Sheet Metal Industry in the 1970s – including the transition from sheet stock to coil.
Saving labor was a priority in the 1970s as much it is today. One of the biggest developments in the ‘70s (and ‘80s) came from transitioning away from fabricating rectangular sheet metal duct “straights” using galvanized sheet stock, instead using 12,000 pound, 48” and 60” coils.
Bill Bradford Sr. is a legend at Ductmate Industries Inc as part of a generation of tin knockers who made the duct fabrication industry what it is today.