This article originally appeared in the Spiral Duct Manufacturers Association insert in the January 2017 issue of SNIPS magazine. There are several factors that a designer should consider when ...
We have written before that round spiral duct should be your first choice for a rooftop HVAC duct system. The round shape reduces snow accumulation and accelerates rain runoff compared to rectangular ...
DALLAS--(BUSINESS WIRE)--Firespray International has introduced the first no-weld rectangular fire resistant grease duct system for commercial kitchens available in the United States and Canada that ...
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