Choosing between prefabrication vs. on-site fabrication isn’t always easy. However, it becomes more straightforward when people take the time to weigh the specifics associated with their project and its resources.
From its beginnings as a one-man operation to an industry-leading global innovator in roll forming and value-added solutions, Samco Machinery is excited to be celebrating its 50th anniversary.
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.
As HVAC system designers consider their options for spiral duct systems, understanding the benefits and drawbacks of single versus double-wall systems is essential.