Attic Insulation Per Square Foot Cost

Get free estimates from insulation companies near you.

Attic insulation per square foot cost.

When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation. An average size attic of 1 200 square ft. So to cover a typical 500 square foot attic you ll likely spend 175 to 325 with double sided barriers being slightly more expensive. Get fair costs for your specific project requirements.

See typical tasks and time to insulate an attic along with per unit costs and material requirements. The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot. Will usually cost about 1 900 2 800. Depending on the type and brand you choose and whether you select rolls or boxed the average square foot of radiant barrier costs about 15 to 30 cents.

To install attic insulation and material cost for cellulose fiberglass with a r value of. Average attic insulation cost per square foot on average attic insulation costs between 1 50 and 3 00 per square foot depending on the type of materials used and the r value per inch of those materials. Blown in insulation is the least expensive option and ideal for older attics. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.

On average you can expect to pay between 1 25 to 2 00 per square ft. Before you call a contractor however it s important to understand the options and costs involved.