Roof Insulation Cost Per Square Foot

Rigid foam insulation costs zip code sq.

Roof insulation cost per square foot.

Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job. Steeper sloped roofs are considered more aesthetically pleasing and last longer. Get fair costs for your specific project requirements. This calculator is to be used as an estimating tool only.

The average cost of flat roof insulation is 0 67 per square foot for 1 inch thick polyiso with 6 r value. For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776. The average cost per square foot is between 0 64 1 19. High quality rigid foam insulation that is properly installed will greatly improve ventilation eliminate drastic temperature fluctuations inside the home and protect from leaks.

A low slope roof is anywhere from 2 in 12 to 4 in 12. So for a 500 square foot area your estimate will vary between 145 to 200 if you do it yourself. Slate is one of the most expensive options and can cost 600 1 500 per square or more. These benefits do not come cheaply though.

For a professional job add between 150 to 300 for labor and you re looking at around 300 to 500 for 6 hours of work. Input length and width of area to be insulated. Slate is also very difficult to install and you should find an experienced roofing contractor for this installation. Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.

Anything more than 9 in 12 is considered steep. Cost can add up quickly especially if you re a novice and have never attempted a epdm roof installation before. Conventional slope roof range between 4 in 12 and 8 in 12. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

Includes basic coverage quantities and typical overage. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. Rigid foam insulation material prices. Excludes sales tax delivery upcharges and items not included in the description and notes.

A 12 in 12 roof can cost up to 50 more than a 4 in 12 roof.