Roof Insulation Cost Per Square Foot

Slate is one of the most expensive options and can cost 600 1 500 per square or more.

Roof insulation cost per square foot.

Excludes sales tax delivery upcharges and items not included in the description and notes. Includes basic coverage quantities and typical overage. 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.

The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. These benefits do not come cheaply though. Input length and width of area to be insulated. The average cost of flat roof insulation is 0 67 per square foot for 1 inch thick polyiso with 6 r value.

Epdm roof total average cost per square foot. Get fair costs for your specific project requirements. Rigid foam insulation material prices. Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.

Slate is also very difficult to install and you should find an experienced roofing contractor for this installation. 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. Conventional slope roof range between 4 in 12 and 8 in 12. So for a 500 square foot area your estimate will vary between 145 to 200 if you do it yourself.

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. This calculator is to be used as an estimating tool only. High quality rigid foam insulation that is properly installed will greatly improve ventilation eliminate drastic temperature fluctuations inside the home and protect from leaks. Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.

The average cost per square foot is between 0 64 1 19. Rigid foam insulation costs zip code sq. A low slope roof is anywhere from 2 in 12 to 4 in 12. Includes on site setup site preparation job completion trash removal and work area cleanup.

Steeper sloped roofs are considered more aesthetically pleasing and last longer.