“Our cellulose insulation runs about 84 cents per square foot,” says Harrah. “If I had a choice between fiberglass, foam, and ...

The main disadvantage of spray foam insulation is that it’s more expensive up front than many other insulation materials, like cellulose and fiberglass. It’s also difficult to remove or modify ...

Foam insulation is a relatively modern and improved substitute for rolls of traditional insulating products like fiberglass insulation. The U.S. military began using polyurethane-based spray foam ...