AVP’s roof curbs are perfricated allowing for quick and easy installation. Save time and money with AVP’s lightweight, heavy-gauge aluminum roof curbs. It’s true. you don’t have to build your own heavy wooden curbs anymore. A Roof Curb is a metal frame used as a platform for mounting a roof vent or fan. As a result, this platform will provide additional height allowing for installation in all climate zones. Proper installation ensures that the accessory has a level platform for attachment. They can also work as a hatch allowing for easy access to ductwork, HVAC units or maintenance in the attic below.
- Inner diameter is 21 in., outer diameter is 23 in.
- Used with a vent or fan with a curb mount flange
- Allows for easy access to the attic or plenum below
- Constructed of durable, heavy gauge, rust-free aluminum
- AVP’s roof curbs are perfricated allowing for quick and easy installation





























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