Use this calculator to estimate the number of concrete insulation blocks needed. You will need to take out for windows, doors and blocks filled with rebar and concrete.
| Insulated R Value | 8" | 10" | 12" |
|---|---|---|---|
| Plain Concrete Block | 1.11 | 1.2 | 1.28 |
| With Concrete Block Insulation | 13.5 | 19 | 23.6 |