Attic Insulation Depth Chart

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Attic insulation depth chart.

Note from this chart that the ideal r value differs for each part of your home. Inspecting attic insulation there are several factors to consider when inspecting loose fill blown in attic insulation. We feel that through the use of superior building materials and the appropriate practices we can create sanctuaries at home. Then use the numbers in the chart at right to estimate its r value.

Input depth of existing blown in insulation in inches. Types of blown in insulation the two commonly used types of blown in attic insulation are cellulose and fiberglass. 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. Allowing people to tune out the noise that they live with on a daily basis and spend more time together.

Inches more and more customers are striving for experiences. The chart shows the r value of this insulation. Shop insulation accessories. For diy attic insulation you ve got two choices.

In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. Compare insulation r values before you buy. 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. This calculator is to be used as an estimating tool only.

Estimated depth of current insulation. Make sure the fill s depth is uniform across the attic. Loose fill or batt the common term for blanket insulation. Insulation level are specified by r value.

Please enter depth in inches please enter depth in inches. The higher the r value the better the thermal performance of the 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. 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. For loose fill cellulose this translates to a total depth ranging from 8 inches. 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. R means resistance to heat fl ow. These include the type depth and density of the insulation.