What is the thickness of furring channel?

The thickness of a furring channel typically refers to the gauge of the steel used to manufacture it. The gauge (or thickness) can vary depending on the specific application, manufacturer, and the structural requirements of the project.

Common Thicknesses of Metal Furring Channels:
25 Gauge (0.018 inches or 0.45 mm thick):

This is one of the most common thicknesses used in residential applications. It's lightweight yet strong enough to support most ceiling and wall installations.
20 Gauge (0.033 inches or 0.84 mm thick):

Thicker and stronger than 25 gauge, 20 gauge furring channels are often used in commercial applications or in areas where additional structural support is required.
22 Gauge (0.027 inches or 0.69 mm thick):

Sometimes used as a middle ground between 25 and 20 gauge, offering a balance between strength and weight.
Standard Dimensions:
Depth: The standard depth of a furring channel is usually 7/8 inch (22 mm), though other depths are available, such as 1-1/2 inches (38 mm) for heavier-duty applications.
Width: The width of the channel can vary but is typically around 1-1/4 inches (32 mm).
Application Considerations:
Structural Requirements: Thicker gauges are used where greater load-bearing capacity is required, such as in suspended ceilings or when supporting heavy ceiling finishes.
Code Compliance: Building codes may dictate the minimum thickness or gauge required for certain applications, especially in commercial or high-rise buildings.
When choosing a furring channel, it's important to consider the specific needs of your project, including load requirements, building codes, and the type of ceiling material being used.