How Much Does Roofing Insulation Cost

This calculator is to be used as an estimating tool only.

How much does roofing insulation cost.

The cost to replace the roof on most homes is 4 000 to 10 000 and most spend about 8 000. The installation assumes a single story house such as ranch cape or colonial with a hip and gable combination roof. The high r value means that spaces such as attics or bedrooms can have more ceiling height by not requiring additional insulation in the trusses or rafters to condition the space. The average cost of insulation panels the most common roof insulation is about 25 per square metre while spray foam insulation is at least 30 per square metre so we would estimate that the average cost of roof insulation in a property would be about 400 to 500.

The most common is polyiso polyisocyanurate. Blown in insulation is a little cheaper than batting fiberglass and radiant barrier insulation which cost 1 600 on average. 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 of flat roof insulation is 0 67 per square foot for 1 inch thick polyiso with 6 r value.

Thus a 3 tab composition shingle roof will cost an average of 350 to 450 per square to install. How much does roof replacement cost. About 25 of your roofing costs will go to insulation. When leaks begin it should be repaired or replaced quickly to prevent major interior water damage and mold from growing.

Input length and width of area to be insulated. House insulation costs zip code sq. Foam roofing offers a fast way to increase the insulating ability of the roof deck. How much does foam roofing cost.

It ranges from 1 50 to 3 50 per square foot. Reflective sarking is one of the cheapest types of insulation at around 99 for a 60mx1350mm roll. High quality rigid foam insulation that is properly installed will greatly improve ventilation eliminate drastic temperature fluctuations inside the home and protect from leaks. Less common is fiberboard a roofing underlayment with some insulation value expanded polystyrene eps and extruded polystyrene xps.

The cost can be more for larger homes homes with complex roof designs or when installing. Spray foam insulation is the most expensive option with the highest roi. With most professional licensed insured roofing contractors the installation cost is usually about 60 of the total cost. There are various types from which to choose.

The cost of roof insulation depends on the materials used and whether or not special equipment or expertise is needed to install it.