Ductwork

GAF’s ductwork products are proudly designed, fabricated, and assembled in the U.S.A. We offer more than 300 different items for your ventilation project.

So whether you’re installing all-new or replacing old ductwork, whether you’re adding a room, venting a bathroom or range hood, or installing heating or a/c ducts, it’s easy to find everything you need to complete all your ductwork projects.


Duct Accessories

Duct items for specific installation.

Heavy Gauge

Pipe, elbows, and fittings used in venting applications or where a heavier gauge is required.

In-Wall Duct System

Products for moving air within a wall.

Insulated Flexible Ductwork

Easy-to-install, pre-insulated flexible products with R-Values, including R4.2, R6.0, and R8.0.

Plenums & Air Returns

Items for mixing air directly off the HVAC unit or returning air back through the system.

Register Boxes

Straight, 90 degree, insulated, and more, these products help bring air into the room.

Rooftop Venting

Straight, 90 degree, insulated, and more, these products help bring air into the room.

Starting Collars & Take Offs

Items used to begin a truck or branch line run for a HVAC installation.

Transitions & Connectors

Items used to make turns, branches, or transitions from one diameter to another, such as elbows, reducers, and wyes.

Trunk & Branch Lines

Round pipe or rectangular duct—used as the main components of the HVAC system.

Appliance Vents

Products designed to vent appliances through the wall or eave.

Professional Installation
GAF Roof Wizard Virtual Home Remodeler

Product Pricing and Where to Buy