Cost is an average of a number of different types of insulation (fiberglass, blown fiberglass, etc.) to be added to a wood or steel stud bearing wall.
For rigid boards, use component MBR (Sheathing).
Consider the building's location and climate when selecting a quality. The more extreme the climate, the more insulation typically used. Use the following guide to select a quality for batt insulation:
Low: 2 1/2" batts, R-7
Average: 3" batts, R-11
Good: 3 1/2" batts, R-13
Excellent: 6" batts, R-19
Enter the following for this component:
Wall Area (Square Feet)
Exterior Walls