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Roof Curbs

Roof Curbs

Provide a sturdy, leakproof mount for roof-mounted ventilators with these roof curbs. They have flat flanges that can be fastened directly to roofs and serve as flashing to keep water out of the roof opening.

Fixed Width with Damper Tray

These curbs are assembled and ready for installation in standard size cutouts. They have a built-in damper tray so you can easily add a damper as needed.

For Metal, Concrete, Wood, Rubber and Urethane Foam Roofs

Straight Sides

For Metal, Concrete, Wood, Asphalt or Tar Roofs

Canted Sides

Straight Sides

Adjustable Width

Assemble these curbs to the width you need to fit irregular or oversized openings.

For Metal, Concrete, Wood, Rubber and Urethane Roofs

Straight Sides

4 in Mounting Flange

Adjustable Width with Damper Tray

Commonly used for irregular or oversized openings, assemble these curbs to the exact width you need. They have a built-in damper tray so you can easily add a damper as needed.

For Non-Insulated Metal, Concrete, Wood, Asphalt and Tar Roofs

Canted Sides

1 18 in Mounting Flange