Attic Insulation Depth Chart

Click the button to calculate the approximate r value for this job.

Attic insulation depth chart.

Note from this chart that the ideal r value differs for each part of your home. Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass. Shop insulation accessories. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

Insulation level are specified by r value. Compare insulation r values before you buy. Pull up and dispose of any material that s compressed water stained or moldy it s useless. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.

Make sure the fill s depth is uniform across the attic. This calculator is to be used as an estimating tool only. Please enter depth in inches please enter depth in inches. R means resistance to heat fl ow.

The amount of insulation you need depends mainly on the climate the type and size of your home and your fuel use patterns and. There are other factors to consider. Inches more and more customers are striving for experiences. Then use the numbers in the chart at right to estimate its r value.

The higher the r value the better the thermal performance of the insulation. For diy attic insulation you ve got two choices. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Input depth of existing blown in insulation in inches.

For loose fill cellulose this translates to a total depth ranging from 8 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. The chart shows the r value of this insulation. Loose fill or batt the common term for blanket insulation.

These include the type depth and density of the insulation. Allowing people to tune out the noise that they live with on a daily basis and spend more time together. The higher the r value the greater the insulating power. 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.

We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home. R value is a measure of insulation s ability to resist heat traveling through it. Inspecting attic insulation there are several factors to consider when inspecting loose fill blown in attic insulation.