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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 50 x 50 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 50 x 50 in Inside Dim

The DAYTON Roof Curb is a fixed, nonventilated square curb designed for downblast fans. This steel curb features a galvanized finish and includes a damper tray, with an inside width of 50 in and an outside width of…

SKU 3G-OTH-79261

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 50 x 50 in Inside Dim
Category
Roof Curbs
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Technical Specifications

Dayton
Manufacturer Part Number
3AZJ6
Type
Square Curb
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
50 x 50 in
Outside Dim
53 in x 53 in
For Fan Type
Downblast Fans
For Use With
54-1/2 in Square Base
Curb Inside Width
50 in
Curb Outside Width
53 in
View Full Spec Sheet

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

Product Description

The DAYTON Roof Curb is a fixed, nonventilated square curb designed for downblast fans. This steel curb features a galvanized finish and includes a damper tray, with an inside width of 50 in and an outside width of 53 in, for use with a 54-1/2 in square base. It complies with UL 705 standards.

Frequently Asked Questions

What is a Dayton roof curb used for?

A Dayton roof curb provides a fixed, nonventilated mounting base for downblast fans on commercial or industrial roofs. It supports the fan and includes a damper tray, ensuring proper airflow and weather sealing. This model fits a 54-1/2 in square base and complies with UL 705 standards.

What are the specifications of the Dayton 3AZJ6 roof curb?

The Dayton 3AZJ6 roof curb is a square, fixed nonventilated curb with a galvanized steel finish. Inside width is 50 in, outside width is 53 in. It includes a damper tray, is designed for downblast fans, and meets UL 705 standards. Use with a 54-1/2 in square base.

Where to buy a Dayton roof curb worldwide?

You can source the Dayton roof curb (MPN 3AZJ6) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Dayton components for commercial HVAC applications.

How to install a Dayton roof curb?

Install the Dayton roof curb on a structurally sound roof opening. Secure the curb to the roof deck with appropriate fasteners, ensuring a level fit. Attach the downblast fan to the curb's 54-1/2 in square base. The damper tray is pre-installed. Follow local building codes and UL 705 guidelines for safe installation.

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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Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim, 71 in x 71 in Outside Dim (MPN 3AZJ9). Key specifications — Curb Outside Width: 71 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 72-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ9; Brand: DAYTON; Curb Inside Width: 68 in.
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