There are, however, some meaningful numbers we can look at without getting bogged down in minute details. This starts with the cost per board foot of the two types of spray foam insulation: open-cell ...

Depending on the region and market, spray-foam insulation can sell for $ ... cellulose can cost under $1.00 per square foot. “Our cellulose insulation runs about 84 cents per square foot ...

Unlike other insulation systems, closed cell spray foam will create a vapor ... 05 forevery oneR-value per square foot. Foam ...