861 Basement Concrete Walls

Enter the percentage of the basement that has concrete walls. Use this component if you do not know the thickness of the walls. Use component 862 (Basement 6" Concrete Walls), 863 (Basement 8" Concrete Walls), 864 (Basement 10" Concrete Walls) or 865 (Basement 12" Concrete Walls) if you know the thickness of the walls.