Getting good air flow in even the best duct materials is not easy. It requires design. It requires skill. It requires patience. In this session, we'll take a look at the fundamental principles of duct design. We'll work our way through available static pressure, total effective length, and friction rate. You'll learn the science behind duct sizing. Then we'll get into the skill and patience parts...and look at what happens when any of these elements is lacking.
We'll also talk about the one measurement you should be doing any time you seal ducts.