Attic Insulation Depth Chart

Loose fill or batt the common term for blanket insulation.

Attic insulation depth chart.

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. These include the type depth and density of the insulation. Inches more and more customers are striving for experiences.

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. There are other factors to consider. Insulation level are specified by r value.

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. Estimated depth of current insulation. Note from this chart that the ideal r value differs for each part of your home. Input depth of existing blown in insulation in inches.

Please enter depth in inches please enter depth in inches. Pull up and dispose of any material that s compressed water stained or moldy it s useless. 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. Shop insulation accessories.

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. R means resistance to heat fl ow. Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass. 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. Compare insulation r values before you buy. This calculator is to be used as an estimating tool only. For loose fill cellulose this translates to a total depth ranging from 8 inches.

Click the button to calculate the approximate r value for this job. Then use the numbers in the chart at right to estimate its r value. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The higher the r value the better the thermal performance of the insulation.

R value is a measure of insulation s ability to resist heat traveling through it. 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.