Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 21.5 x 21 1/2 in Inside Dim
The Dayton Roof Curb is a fixed nonventilated curb designed for use with downblast fans and a 26 in square base. This steel curb features a galvanized finish, includes a damper tray, and has an inside width of 21-1/2…
SKU 3G-OTH-78964
Need installation or engineering help?
Ask a question
Product Description
The Dayton Roof Curb is a fixed nonventilated curb designed for use with downblast fans and a 26 in square base. This steel curb features a galvanized finish, includes a damper tray, and has an inside width of 21-1/2 in and an outside width of 24-1/2 in. It complies with UL 705 standards.
Frequently Asked Questions
What is the Dayton Roof Curb 2RB77 used for?
The Dayton Roof Curb 2RB77 is a fixed nonventilated curb designed to mount downblast fans on commercial or industrial roofs. It supports a 26 in square base and includes a damper tray for airflow control. Typical applications include ventilation systems in factories, warehouses, and commercial buildings.
What are the specifications of the Dayton Roof Curb 2RB77?
The Dayton Roof Curb 2RB77 has an inside width of 21-1/2 in and an outside width of 24-1/2 in. It is made of steel with a galvanized finish, includes a damper tray, and is for use with downblast fans on a 26 in square base. It complies with UL 705 standards.
Where to buy the Dayton Roof Curb 2RB77 worldwide?
You can source the Dayton Roof Curb 2RB77 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply genuine Dayton components for commercial ventilation systems.
How to install the Dayton Roof Curb 2RB77?
Install the Dayton Roof Curb 2RB77 by securing it to the roof structure with appropriate fasteners, ensuring a level surface. Attach the downblast fan to the 26 in square base, aligning with the curb's inside dimensions. Seal all joints with approved roofing sealant to prevent leaks. Always follow local building codes and the fan manufacturer's instructions.
Used in
Common applications for DaytonDayton Products
3G Electric supplies Dayton roof curbs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
