Spray foam while the most expensive is best for noise reduction and new construction.
California average attic insulation.
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.
Square footage of your attic.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Blown in insulation is the least expensive option and ideal for older attics.
An average size attic of 1 200 square ft.
On average you can expect to pay between 1 25 to 2 00 per square ft.
See professionally prepared estimates for attic insulation work.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
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.
R value is a measure of insulation s ability to resist heat traveling through it.
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.
On this chart each part of the country is divided into different zones and each zone has a recommended r value.
So it s time to pay close attention to what s happening up there.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
Contractor or insulation installer s fee.
Will usually cost about 1 600 2 700.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Attic insulation will help keep your energy bills down whether you need to stop heat coming in from outside or prevent the heat in the house from escaping.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
The main factors that impact the cost are.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
Sacramento and most of california are in zone 3 which requires attic insulation with an r value between 30 and 60.
Type and material of your insulation.
According to home advisor insulating your attic can cost between 1700 to 2100.
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.
The higher the r value the better the thermal performance of the insulation.