Installing or replacing ductwork can be a bit of a puzzle. And there’s nothing worse than discovering you’re missing a piece. That’s why GAF offers more than 300 different items for your end-to-end ventilation project. 

Whether you’re simply replacing old ductwork, venting a bathroom, upgrading appliances or improving your home HVAC system, GAF offers end-to-end components for virtually any home ventilation project.  

Duct Wrap and Sleeves

Use Fiberglass Duct Wrap Insulation to reduce condensation, absorb noise, and improve the air temperature efficiency of your duct system
See All Duct Wrap and Sleeves

Heavy Gauge

Use GAF heavy gauge pipe, elbows, and fittings to vent boilers, furnaces, hot water heaters and more.
See All Heavy Gauge

In-Wall Duct Systems

Installing rectangular duct between wall studs saves space and is an easy way to route air up or down a wall, between floors, and in overhead spaces between floor joists or in attics.
See All In-Wall Duct Systems

Plenums and Air Returns

Use plenums and air returns for mixing air directly off the HVAC unit or for returning air back through the system.
See All Plenums and Air Returns

Register Boxes

Help bring air into the room with this variety of register box configurations.
See All Register Boxes

Roof-Top Venting

Get maximum protection from leaks, animals and debris with GAF roof-top vent solutions.
See All Roof-Top Venting

Starting Collars and Take-Offs

Connect duct trunks and branches to flat surfaces like plenums.
See All Starting Collars and Take-Offs

Transitions and Connectors

Make turns, split trunks, create branching lines, and reduce the diameter of pipes.
See All Transitions and Connectors

Trunk and Branch Lines

Move air throughout the building.
See All Trunk and Branch Lines

Appliance Vents

Vent household exhaust from bath fans, range hoods, vented microwaves and more.
See All Appliance Vents


All the accessories you need to pull your specific ventilation project together
See All Accessories
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