Attic Insulation Depth Chart

Inspecting attic insulation there are several factors to consider when inspecting loose fill blown in attic insulation.

Attic insulation depth chart.

Please enter depth in inches please enter depth in inches. 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. Insulation level are specified by r value. R means resistance to heat fl ow.

Estimated depth of current insulation. Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass. Then use the numbers in the chart at right to estimate its r value. Click the button to calculate the approximate r value for this job.

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. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. Note from this chart that the ideal r value differs for each part of your home.

For loose fill cellulose this translates to a total depth ranging from 8 inches. For diy attic insulation you ve got two choices. 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. The higher the r value the greater the insulating power.

There are other factors to consider. This calculator is to be used as an estimating tool only. 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.

Compare insulation r values before you buy. Make sure the fill s depth is uniform across the attic. Input depth of existing blown in insulation in inches. Allowing people to tune out the noise that they live with on a daily basis and spend more time together.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. These include the type depth and density of the insulation. 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 chart shows the r value of this insulation.

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. 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.