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Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 17.5 x 17 1/2 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Nonventilated Curbs, Square Curb, 17.5 x 17 1/2 in Inside Dim

The Dayton Roof Curb is a fixed nonventilated curb designed for use with 22 in square base filtered supply fans. This steel curb features a galvanized finish, includes a damper tray, and complies with UL 705…

SKU 3G-OTH-78905

Brand
Dayton
Item
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 17.5 x 17 1/2 in Inside Dim
Category
Roof Curbs
Available to Order
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Technical Specifications

Dayton
Manufacturer Part Number
2RB76
Type
Square Curb, Mfr Part # 2RB76
Material
Steel
Finish
Galvanized
Includes
Damper Tray
Standards
UL 705
Inside Dim
17.5 x 17 1/2 in
For Fan Type
Filtered Supply Fans
For Use With
22 in Square Base
Curb Inside Width
17-1/2 in
Curb Outside Width
20-1/2 in
View Full Spec Sheet

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

Product Description

The Dayton Roof Curb is a fixed nonventilated curb designed for use with 22 in square base filtered supply fans. This steel curb features a galvanized finish, includes a damper tray, and complies with UL 705 standards. It has an inside width of 17-1/2 in and an outside width of 20-1/2 in.

Frequently Asked Questions

What is the Dayton Roof Curb 2RB76 used for?

The Dayton Roof Curb 2RB76 is a fixed nonventilated curb designed to mount and support filtered supply fans with a 22 in square base. It provides a stable, weatherproof transition between the fan and the roof opening, and includes a damper tray for airflow control.

What are the specifications of the Dayton Roof Curb 2RB76?

The Dayton Roof Curb 2RB76 is a square curb with an inside dimension of 17.5 x 17 1/2 in and an outside width of 20-1/2 in. It is made of galvanized steel, includes a damper tray, and complies with UL 705 standards for use with filtered supply fans.

Where to buy the Dayton Roof Curb 2RB76 worldwide?

3G Electric supplies the Dayton Roof Curb 2RB76 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 a Dayton Roof Curb?

Install the Dayton Roof Curb by securing it to the roof structure with appropriate fasteners, ensuring a level and weathertight seal. Place the filtered supply fan on the curb's 22 in square base, connect ductwork, and verify damper tray operation. 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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