In the first section of the ‘90s, I mentioned there were some positive developments. One I had a hand in: the first totally automatic machine for inserting both TDC and TDF corners into TDC/F flange ...
CertainTeed has become the exclusive manufacturer of Glass Master, a line of fiberglass duct board machines used in ductwork fabrication. Terms were not disclosed. Glass Master’s HVAC construction ...
Lower cost, decreased pollution, and energy efficiency are all achieved by airtight ductwork. Having a leak-free system is possible and the four-bolt flange connection system provides these benefits ...
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