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Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim

The Dayton Roof Curb: Fixed Ventilated Curbs (SKU 4HX56) is a square steel roof curb with a galvanized finish, designed for downblast fans. It has an inside width of 21 in and an outside width of 24-1/2 in, and…

SKU 3G-OTH-79368

Brand
Dayton
Item
Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim
Category
Roof Curbs
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Technical Specifications

Dayton
Manufacturer Part Number
4HX56
Type
Square Curb, Mfr Part # 4HX56
Material
Steel
Finish
Galvanized
Standards
NFPA 96
Inside Dim
21 x 21 in
For Fan Type
Downblast Fans
Curb Inside Width
21 in
Curb Outside Width
24-1/2 in
View Full Spec Sheet

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

Product Description

The Dayton Roof Curb: Fixed Ventilated Curbs (SKU 4HX56) is a square steel roof curb with a galvanized finish, designed for downblast fans. It has an inside width of 21 in and an outside width of 24-1/2 in, and complies with NFPA 96 standards.

Frequently Asked Questions

What is the Dayton 4HX56 roof curb used for?

The Dayton 4HX56 roof curb is a fixed ventilated square curb designed to mount downblast fans on commercial or industrial roofs. It provides a stable, weatherproof base that meets NFPA 96 standards for kitchen exhaust systems, ensuring safe fan operation and structural support.

What are the specifications of the Dayton 4HX56 roof curb?

The Dayton 4HX56 is a square steel roof curb with a galvanized finish. Inside dimensions are 21 x 21 in, outside width is 24-1/2 in. It is designed for downblast fans and complies with NFPA 96 standards. The manufacturer part number is 4HX56.

Where to buy the Dayton 4HX56 roof curb worldwide?

You can source the Dayton 4HX56 roof curb 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 on this item.

How to install the Dayton 4HX56 roof curb?

Install the Dayton 4HX56 roof curb by securing it to the roof structure with appropriate fasteners, ensuring a level base. Seal all joints with compatible roofing sealant. The curb is designed for downblast fans; follow the fan manufacturer's instructions for mounting and electrical connections.

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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