When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect.
Blow in attic insulation depth.
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.
How deep to put blown in insulation.
Allowing people to tune out the noise that they live with on a daily basis and spend more time together.
You d need a thickness of.
A poorly insulated attic lets heat escape through the roof wasting energy used to warm.
Inches more and more customers are striving for experiences.
Click the button to calculate the approximate r value for this job.
This calculator is to be used as an estimating tool only.
Attic insulation is a key to saving energy during the heating season.
Ten inches of blown insulation provides an insulating value of approximately r 30 1 inch of fiberglass provides about r 2 7 while 1 inch of cellulose is approximately r 3.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Input length width and desired r value of the area to be insulated.
Estimated depth of current insulation.
For loose fill cellulose this translates to a total depth ranging from 8 inches.
This calculator is to be used as an estimating tool only.
In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.
Each bag of fiberglass insulation will cover approximately 65 square feet of attic space to a depth of 10 inches cellulose insulation covers half as much.