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Dayton Round Roof Cap, 4 in Duct, Steel, Black Epoxy, Press Fit - Roof Caps
DaytonRoof Caps

Dayton Round Roof Cap, 4 in Duct, Steel, Black Epoxy, Press Fit

The Dayton Roof Cap (SKU 3G-OTH-78582) is a round, steel roof cap with a black epoxy finish, designed for 4-inch ducts. It features a press-fit connection, includes a screen and a backdraft damper, and is constructed…

SKU 3G-OTH-78582

Brand
Dayton
Item
Round Roof Cap, 4 in Duct, Steel, Black Epoxy, Press Fit
Category
Roof Caps
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

Dayton
Type
Round, CS1, Steel, Black Finish, Epoxy, Press Fit, 25 ga
Duct
4 in
Color
Black
Product Type
Roof Cap
Connection Type
Press Fit
Screen Included
Yes
Type of Cap/Hood
Roof Cap
Material of Cap/Hood
Steel
Backdraft Damper Included
Yes

Technical Documents

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

Product Description

The Dayton Roof Cap (SKU 3G-OTH-78582) is a round, steel roof cap with a black epoxy finish, designed for 4-inch ducts. It features a press-fit connection, includes a screen and a backdraft damper, and is constructed from 25-gauge steel.

Frequently Asked Questions

What is the Dayton Roof Cap used for?

The Dayton Roof Cap is used to terminate a 4-inch round duct through a roof, preventing weather entry while allowing exhaust airflow. It includes a built-in screen to block pests and a backdraft damper to stop reverse airflow, making it suitable for residential and light commercial ventilation systems.

What are the specifications of the Dayton Roof Cap ?

The Dayton Roof Cap is a round, steel roof cap with a black epoxy finish. It fits a 4-inch duct using a press-fit connection, includes a screen and a backdraft damper, and is made from 25-gauge steel. The manufacturer part number is .

Where to buy the Dayton Roof Cap worldwide?

3G Electric supplies the Dayton Roof Cap and handles full logistics, customs clearance, and delivery to worldwide destinations. As a global industrial equipment distributor established in 1990, we source and deliver this roof cap to procurement teams and engineers internationally.

How to install the Dayton Roof Cap ?

To install the Dayton Roof Cap , ensure the 4-inch duct is clean and cut to length. Apply sealant around the duct end, then press the cap firmly into place using the press-fit connection. Secure with sheet metal screws if needed, and verify the backdraft damper moves freely before sealing the roof penetration.

Used in

Common applications for Dayton
Manufacturing — Dayton 21XJ72 motor for machine tool coolant pumps circulates coolant during cutting, grinding, and drilling operations.
Water management — Dayton 3YU59 submersible sump pump removes water from basements, crawl spaces, and construction sites.
HVAC — Dayton 804T11 unit heater provides supplemental heating in warehouses, workshops, and garages.
Power transmission — Dayton 2X897 pillow block bearing supports rotating shafts in conveyors, fans, and other machinery.
Workshop — Dayton 2LKR8 bench grinder sharpens tools and deburrs metal parts with dust exhaust for a cleaner environment.
Fluid handling — Dayton 5RGV6 fountain pump circulates and aerates water in decorative ponds and fountains.
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Dayton Products

3G Electric supplies Dayton roof caps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Rectangular wall cap made from 25 ga steel with black epoxy finish. Features press-fit connection, backdraft damper, and insect screen. Used to terminate exhaust ducts on exterior walls in ventilation systems
Dayton
Rectangular wall cap made from 25 ga steel with black epoxy finish. Features press-fit connection, backdraft damper, and insect screen. Used to terminate exhaust ducts on exterior walls in ventilation systems
This Dayton vent cap is a round, vented rain cap designed for terminating a 6-inch duct in ventilation systems. Made of galvanized steel with a silver finish, it features a press-fit connection for wall cap installation. It does not include a screen or backdraft damper
Dayton
This Dayton vent cap is a round, vented rain cap designed for terminating a 6-inch duct in ventilation systems. Made of galvanized steel with a silver finish, it features a press-fit connection for wall cap installation. It does not include a screen or backdraft damper
This roof vent hood is constructed of galvanized steel and features a hinged design for access. It is intended for use on a roof curb to exhaust air from commercial or industrial buildings while protecting the ventilation system from weather. The hood measures 68 inches in length and 60 inches in width
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This roof vent hood is constructed of galvanized steel and features a hinged design for access. It is intended for use on a roof curb to exhaust air from commercial or industrial buildings while protecting the ventilation system from weather. The hood measures 68 inches in length and 60 inches in width

More from Dayton

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Rectangular roof cap for terminating exhaust or intake ductwork on rooftops. Constructed from 25 ga steel with a black epoxy finish. Features a press-fit connection, integrated screen, and backdraft damper
Dayton
Rectangular roof cap for terminating exhaust or intake ductwork on rooftops. Constructed from 25 ga steel with a black epoxy finish. Features a press-fit connection, integrated screen, and backdraft damper

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