The attic is where your house loses the most heat in winter and soaks up the most in summer. Choosing among the main attic insulation types — fiberglass batt, blown-in cellulose, spray foam, mineral wool, and rigid foam board — is the single highest-impact upgrade most homeowners can make for their energy bills, and it…
Blown in insulation cost typically runs between $1.00 and $2.80 per square foot installed, with most homeowners paying around $1,500 to $2,800 to insulate an average attic. The total depends on the material you choose, the R-value you need, and whether you rent a machine and do it yourself or hire a pro. Blown-in insulation—also…
If you’re insulating an attic, a basement, or an open wall cavity, the first question is almost always the same: fiberglass vs spray foam insulation — which one actually pays off? The two materials work in fundamentally different ways, and they cost very different amounts. Choosing wrong means paying more than you should, or living…
Spray foam insulation cost typically runs between $1.00 and $4.50 per square foot installed, which translates to a national average of about $2,900 for a standard attic, basement, or wall project. The final number depends almost entirely on two variables: whether you choose open-cell or closed-cell foam, and how thick the installer applies it. Closed-cell…
