Spray foam insulation costs $1.36 to $2.63 per square foot to install, and blown-in fiberglass insulation costs $0.40 per square foot to install. Spray foam insulation is substantially more energy efficient and does not lose R-value for its 80 years of life. Fiberglass will last 10 to 25 years if it stays dry and it's R-value decreases over time.
Get PriceHow Much Does Spray Foam Insulation Cost? Spray foam is available in two different types: open-cell spray foam which is usually $1.00 to $1.20 per square foot and closed-cell spray foam which is about $1.25 to $1.50 per square foot (1″ by 12″ x 12″ area of coverage).
Get PriceSpray Foam Insulation Cost Per Square Foot Spray foam insulation costs $0.44 to $1.50 per board foot. A board foot is one square foot that is one-inch thick, or one square foot that’s covered by one inch of spray foam insulation. Expanding foam insulation costs from about $0.50 to $2.50 per square foot.
Get PriceFor example, applying one 1-inch layer of spray foam insulation that costs $1 per board foot to a 500sf space would cost around $500. This cost is similar compared to fiberglass batting, which costs between $0.64 and $1.19 per square foot, or between $300 and $500 for 500sf of insulation.
Get PriceGenerally, spray foam insulation costs between $0.44 and $1.50 per board foot.
Get PriceCost to Install Spray Foam Insulation: Closed Cell vs. Open Cell Foam The national average cost to install spray foam insulation can range between $1.00 and $3.00 per square board foot (1 inch thick) of SPF insulation installed.
Get Price