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