Two single walls constructed of standard concrete block and separated by an air space. Ties hold the walls together and in the higher qualities the cavity is grouted and reinforced.
For facing, add one of the following components:
Mortar, reinforcing (where necessary) and windows and doors appropriate to the given occupancy and overall building quality.
Quality is influenced by the interior finish (lower qualities have no finish while higher qualities have drywall or plaster interior finish) and the quantity and quality of windows and doors.
Enter the following for this component:
Wall Area (Square Feet)
Thickness (Inches): 8 - 16
Exterior Walls