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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim

The Dayton 3AZJ1 is a fixed nonventilated roof curb designed for use with 39 in square base filtered supply fans. This steel curb features a galvanized finish, with an inside width of 34-1/2 in and an outside width…

SKU 3G-OTH-79388

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 34.5 x 34 1/2 in Inside Dim
Category
Roof Curbs
Available to Order
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Technical Specifications

Dayton
Manufacturer Part Number
3AZJ1
Type
Square Curb, Mfr Part # 3AZJ1
Material
Steel
Finish
Galvanized
Standards
UL 705
Inside Dim
34.5 x 34 1/2 in
For Fan Type
Filtered Supply Fans
For Use With
39 in Square Base
Curb Inside Width
34-1/2 in
Curb Outside Width
37-1/2 in
View Full Spec Sheet

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

Product Description

The Dayton 3AZJ1 is a fixed nonventilated roof curb designed for use with 39 in square base filtered supply fans. This steel curb features a galvanized finish, with an inside width of 34-1/2 in and an outside width of 37-1/2 in. It complies with UL 705 standards.

Frequently Asked Questions

What is the Dayton 3AZJ1 roof curb used for?

The Dayton 3AZJ1 is a fixed nonventilated roof curb used to mount filtered supply fans with a 39 in square base. It provides a stable, weatherproof transition between the fan and the roof opening, ensuring proper airflow and structural support in commercial HVAC systems.

What are the specifications of the Dayton 3AZJ1 roof curb?

The Dayton 3AZJ1 is a square steel curb with a galvanized finish. Inside dimensions are 34.5 x 34 1/2 in, outside width is 37-1/2 in. It is designed for filtered supply fans with a 39 in square base and complies with UL 705 standards.

Where to buy the Dayton 3AZJ1 roof curb worldwide?

The Dayton 3AZJ1 roof curb is available to order 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.

How to install the Dayton 3AZJ1 roof curb?

Install the Dayton 3AZJ1 curb by securing it to the roof structure with appropriate fasteners, ensuring a level base. Seal all joints with compatible roofing sealant. Then mount the filtered supply fan onto the curb, aligning the 39 in square base. Follow local building codes and the fan manufacturer's instructions.

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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