Blown in insulation is the least expensive option and ideal for older attics.
How much attic insulation for nc.
You can mix the type and material of insulation too.
Insulation ratings can be improved by adding more layers of insulation.
Having enough insulation in your attic is one of the best ways to save energy on both heating and cooling your home.
The ideal attic insulation r value is different than the ideal wall insulation r value.
Spray foam while the most expensive is best for noise reduction and new construction.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
Get fair costs for your specific project requirements.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.
An average size attic of 1 200 square ft.
Achieving greater r values in attics.
How well a particular insulation works is expressed by the r value which ranges from 2 0 to 8 0 per inch of insulation.
Insulating your attic could reduce your total heating costs by as much as 417 for gas or 1 152 for oil.
On average you can expect to pay between 1 25 to 2 00 per square ft.
Will usually cost about 1 600 2 700.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.
See professionally prepared estimates for attic insulation work.
The higher the r value the better job the insulation does at preventing the transfer of heat.