California Average Attic Insulation

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