Pull up and dispose of any material that s compressed water stained or moldy it s useless.
Attic insulation depth chart.
Input depth of existing blown in insulation in inches.
There are other factors to consider.
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.
This calculator is to be used as an estimating tool only.
Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass.
For loose fill cellulose this translates to a total depth ranging from 8 inches.
Shop insulation accessories.
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.
Click the button to calculate the approximate r value for this job.
Compare insulation r values before you buy.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Loose fill or batt the common term for blanket insulation.
The higher the r value the greater the insulating power.
Make sure the fill s depth is uniform across the attic.
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.
We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home.
These include the type depth and density of the insulation.
In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.
The amount of insulation you need depends mainly on the climate the type and size of your home and your fuel use patterns and.
The higher the r value the better the thermal performance of the insulation.
Insulation level are specified by r value.
Inches more and more customers are striving for experiences.
R means resistance to heat fl ow.
For diy attic insulation you ve got two choices.
The chart shows the r value of this insulation.
Achieving greater r values in attics 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.
Please enter depth in inches please enter depth in inches.
Then use the numbers in the chart at right to estimate its r value.
Estimated depth of current insulation.
Inspecting attic insulation there are several factors to consider when inspecting loose fill blown in attic insulation.
