Input depth of existing blown in insulation in inches.
Attic insulation depth chart.
R means resistance to heat fl ow.
The chart shows the r value of this insulation.
Click the button to calculate the approximate r value for this job.
Loose fill or batt the common term for blanket insulation.
Shop insulation accessories.
The higher the r value the greater the insulating power.
Note from this chart that the ideal r value differs for each part of your home.
The higher the r value the better the thermal performance of the insulation.
Please enter depth in inches please enter depth in inches.
We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home.
For loose fill cellulose this translates to a total depth ranging from 8 inches.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Make sure the fill s depth is uniform across the attic.
Pull up and dispose of any material that s compressed water stained or moldy it s useless.
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.
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.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed your attic to reach r 30 if you live in zones 2 or 3.
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.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Then use the numbers in the chart at right to estimate its r value.
Estimated depth of current insulation.
Compare insulation r values before you buy.
Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass.
Allowing people to tune out the noise that they live with on a daily basis and spend more time together.
These include the type depth and density of the insulation.
Inches more and more customers are striving for experiences.
Inspecting attic insulation there are several factors to consider when inspecting loose fill blown in attic insulation.
R value is a measure of insulation s ability to resist heat traveling through it.
The amount of insulation you need depends mainly on the climate the type and size of your home and your fuel use patterns and.
This calculator is to be used as an estimating tool only.
There are other factors to consider.
