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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 12.5 x 12 1/2 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 12.5 x 12 1/2 in Inside Dim

The Dayton Roof Curb: Fixed Nonventilated Curbs (SKU 5EFJ2) is a steel, galvanized roof curb designed for use with upblast fans and a 17-inch square base. It features a 12-1/2-inch inside width and 15-1/2-inch…

SKU 3G-OTH-78818

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 12.5 x 12 1/2 in Inside Dim
Category
Roof Curbs
Available to Order
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Technical Specifications

Dayton
Manufacturer Part Number
5EFJ2
Type
Square Curb, Mfr Part # 5EFJ2
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
12.5 x 12 1/2 in
For Fan Type
Upblast Fans
For Use With
17 in square base
Curb Inside Width
12-1/2 in
Curb Outside Width
15-1/2 in
View Full Spec Sheet

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Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton Roof Curb: Fixed Nonventilated Curbs (SKU 5EFJ2) is a steel, galvanized roof curb designed for use with upblast fans and a 17-inch square base. It features a 12-1/2-inch inside width and 15-1/2-inch outside width, includes a damper tray, and complies with UL 705 standards.

Frequently Asked Questions

What is the Dayton 5EFJ2 roof curb used for?

The Dayton 5EFJ2 roof curb is a fixed nonventilated curb designed to mount upblast fans with a 17-inch square base on commercial roofs. It provides a stable, weathertight transition between the fan and roof opening, includes a damper tray, and is made of galvanized steel for corrosion resistance.

What are the specifications of the Dayton 5EFJ2 roof curb?

The Dayton 5EFJ2 roof curb has a 12-1/2-inch inside width and a 15-1/2-inch outside width. It is made of galvanized steel, includes a damper tray, and complies with UL 705 standards. It is designed for upblast fans with a 17-inch square base.

Where to buy the Dayton 5EFJ2 roof curb worldwide?

3G Electric supplies the Dayton 5EFJ2 roof curb worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this part.

How to install the Dayton 5EFJ2 roof curb?

Install the Dayton 5EFJ2 roof curb by securing it to the roof deck with appropriate fasteners, ensuring a level surface. Seal all joints with compatible roofing sealant. Attach the upblast fan to the curb's 17-inch square base, and verify the damper tray operates freely. Follow local building codes and UL 705 guidelines.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton 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.

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