Transitions are needed in almost every duct run to change the size or shape of the ductwork. This article explains how to lay out rectangular transitions. A duct run is often kept flat on the top to ...

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 ...

PITTSBURGH, Nov. 18, 2025 /PRNewswire/ -- "I wanted to create a new dryer duct transition with an adjustable design feature and enough internal volume to allow the dust/lint to drop out of the exhaust ...