Ga 8 aluminum sheet refers to the thickness of the aluminum sheet. In the gauge system, lower gauge numbers indicate thicker boards. In the United States, gauge systems are commonly used to specify the thickness of a variety of materials, including metals such as aluminum.

For aluminum, the thickness of gauge 8 sheet is approximately 0.1285 inches or 3.26 mm. It is important to note that actual thickness may vary slightly depending on the specific manufacturing tolerances and standards used by different suppliers.

Aluminum sheets of this thickness can be used in a variety of applications such as construction, automotive, aerospace and marine industries. They are commonly used for panels, roofs, siding, and other structural components that require strong yet lightweight materials. The exact application and suitability of Gauge 8 aluminum panels will depend on the specific requirements and engineering considerations of the project.