R 38 Attic Insulation Depth

Insulation level are specified by r value.

R 38 attic insulation depth. 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 higher the r value the greater the insulating power. Click the button to calculate the approximate r value for this job. For loose fill cellulose this translates to a total depth ranging from 8 inches.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Input depth of existing blown in insulation in inches. R 38c ecotouch insulation width length thickness r value1 cathedral ceiling construction 15 394mm 23 603mm 48 1 219mm 10 260mm 38 0 1. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. C insulation for cathedral ceiling applications. The table below shows what levels of insulation are cost effective for different climates 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.

For example to install r 38 in an attic with 3200 square feet of area use the following formula. Recommended home insulation r values. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. This calculator is to be used as an estimating tool only.

Insulation levels are specified by r value. Obtain a specific r value. 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. Ask your owens corning representative for the fact sheet on r values.

R value is a measure of insulation s ability to resist heat traveling through it. R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material. The higher the r value the better the thermal performance of the insulation. Add the right kind of insulation.

R value is a measure of insulation s ability to resist heat flow.