How thick should concrete walls be?

The thickness of concrete walls typically depends on their purpose and structural requirements. For residential basements, walls are commonly 8 to 10 inches thick, while commercial buildings may require walls that are 12 inches or thicker for added strength and insulation. Additionally, factors such as local building codes, climate, and the type of load the wall will bear should also be considered when determining thickness. Always consult with a structural engineer for specific projects.