Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 47.5 x 47 1/2 in Inside Dim
The Dayton Roof Curb: Fixed Nonventilated Curbs (SKU 5EFJ3) is a square, nonventilated roof curb made of galvanized steel. It has an inside width of 47-1/2 in and an outside width of 50-1/2 in, designed for use with…
SKU 3G-OTH-79237
Need installation or engineering help?
Ask a question
Product Description
The Dayton Roof Curb: Fixed Nonventilated Curbs (SKU 5EFJ3) is a square, nonventilated roof curb made of galvanized steel. It has an inside width of 47-1/2 in and an outside width of 50-1/2 in, designed for use with a 52 in square base and upblast fans. The curb includes a damper tray and complies with UL 705 standards.
Frequently Asked Questions
What is the Dayton Roof Curb 5EFJ3 used for?
The Dayton Roof Curb 5EFJ3 is a fixed nonventilated square curb designed to support upblast fans on commercial or industrial roofs. It provides a stable, weatherproof mounting base with a damper tray, and is suitable for use with a 52 in square base fan.
What are the specifications of the Dayton Roof Curb 5EFJ3?
The Dayton Roof Curb 5EFJ3 has an inside dimension of 47.5 x 47 1/2 in and an outside width of 50-1/2 in. It is made of galvanized steel, includes a damper tray, and complies with UL 705 standards. It is designed for upblast fans with a 52 in square base.
Where to buy the Dayton Roof Curb 5EFJ3 worldwide?
3G Electric supplies the Dayton Roof Curb 5EFJ3 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this roof curb.
How to install the Dayton Roof Curb 5EFJ3?
Install the Dayton Roof Curb 5EFJ3 by securing it to the roof structure with appropriate fasteners, ensuring a level and weathertight seal. Position the upblast fan on the curb's 52 in square base and connect ductwork as needed. 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.















