That s where this nifty energystar chart comes in handy.
California average attic insulation.
So it s time to pay close attention to what s happening up there.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
Type and material of your insulation.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
The main factors that impact the cost are.
On average you can expect to pay between 1 25 to 2 00 per square ft.
Will usually cost about 1 600 2 700.
Square footage of your attic.
The higher the r value the better the thermal performance of the insulation.
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.
Blown in insulation is the least expensive option and ideal for older attics.
Contractor or insulation installer s fee.
According to home advisor insulating your attic can cost between 1700 to 2100.
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.
Spray foam while the most expensive is best for noise reduction and new construction.
R value is a measure of insulation s ability to resist heat traveling through it.
See professionally prepared estimates for attic insulation work.
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.
Sacramento and most of california are in zone 3 which requires attic insulation with an r value between 30 and 60.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
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.
An average size attic of 1 200 square ft.
Get fair costs for your specific project requirements.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
Insulation level are specified by r value.
On this chart each part of the country is divided into different zones and each zone has a recommended r value.
