Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 37 x 37 in Inside Dim
The DAYTON 4HX59 is a fixed ventilated roof curb made of galvanized steel, designed for filtered supply fans. It has an inside width of 37 in and an outside width of 40-1/2 in, and complies with UL 762 standards.
SKU 3G-OTH-79317
Need installation or engineering help?
Ask a question
Product Description
The DAYTON 4HX59 is a fixed ventilated roof curb made of galvanized steel, designed for filtered supply fans. It has an inside width of 37 in and an outside width of 40-1/2 in, and complies with UL 762 standards.
Frequently Asked Questions
What is the DAYTON 4HX59 roof curb used for?
The DAYTON 4HX59 is a fixed ventilated roof curb designed to mount filtered supply fans on commercial or industrial roofs. It provides a stable, weathertight base that channels airflow while meeting UL 762 standards for grease duct and smoke control applications.
What are the specifications of the DAYTON 4HX59 roof curb?
The DAYTON 4HX59 has a 37 in inside width and a 40-1/2 in outside width. It is made of galvanized steel and complies with UL 762 standards. This fixed ventilated curb is intended for filtered supply fans and carries manufacturer part number 4HX59.
Where to buy the DAYTON 4HX59 roof curb worldwide?
3G Electric supplies the DAYTON 4HX59 roof curb to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote tailored to your location.
How to install a DAYTON 4HX59 roof curb?
Install the DAYTON 4HX59 by securing it to the roof structure with appropriate fasteners, ensuring a level base. Seal all joints with compatible roofing mastic to maintain weather integrity. Always follow local building codes and the fan manufacturer's instructions for proper alignment.
Used in
Common applications for DaytonDayton 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.















