Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 37.5 x 37 1/2 in Inside Dim

The Dayton Roof Curb 2RB81 is a fixed nonventilated curb designed to mount filtered supply fans with a 42 in square base. It provides a stable, weatherproof transition between the fan and the roof structure, ensuring proper airflow and support in commercial HVAC systems.

The Dayton Roof Curb 2RB81 has an inside dimension of 37.5 x 37 1/2 in, an outside width of 40-1/2 in, and a galvanized steel finish. It includes a damper tray, complies with UL 705 standards, and is intended for filtered supply fans with a 42 in square base.

You can source the Dayton Roof Curb 2RB81 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring the curb reaches your job site efficiently.

Install the Dayton Roof Curb 2RB81 by securing it to the roof structure with appropriate fasteners, ensuring a level base. Seal all joints per local codes, then mount the 42 in square base filtered supply fan onto the curb. Always follow the manufacturer's guidelines and UL 705 requirements.