What Is a Trunk Duct

The trunk line is a line of ductwork that serves as the central distribution source for your ductwork system. It is attached directly to the plenum and runs through the entire length of your house.

What are the two types of duct?

There are two broad categories of ductwork: flexible and rigid. Flexible ducts are typically round tubes made up of steel wire helixes covered in flexible but durable plastic. Most flexible ducts are also encircled by insulation to keep the air at the temperature it should be.

What are the 4 types of duct systems?

Namely, flexible ductwork, rigid ductwork, and semi-rigid ductwork. We’ve compiled information on each of these duct systems. These ducts are typically tube-shaped and made of a wire coil covered with a bendable, durable plastic, and surrounded by insulation.

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.

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