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