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