R 38 Attic Insulation Depth

An insulation value of r 38 is at the high end and requires a minimum thickness of 12 inches.

R 38 attic insulation depth.

C insulation for cathedral ceiling applications. The higher the r value the better the thermal performance of the insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. 3200 ft2 1000 3 2 19 2 bags per 1000 ft2 for r 38 x 3 2 61 4 bags building inspectors typically check the insulation depth to verify compliance with local codes.

Insulation levels are specified by r value. 8 bags model k91 view the owens corning attic insulation. R value does not depend on a single layer of insulation. R value is a measure of insulation s ability to resist heat flow.

The higher the r value the greater the insulating power. Add the right kind of insulation. The table below shows what levels of insulation are cost effective for different climates and. Obtain a specific r value.

Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in. To achieve r 38 you can use two layers of r. R value is a measure of insulation s ability to resist heat traveling through it. 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 in 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. The higher the r value the better the thermal performance of the insulation. Input depth of existing blown in insulation in inches. Click the button to calculate the approximate r value for this job.

Insulation level are specified by r value. R 38c ecotouch insulation width length thickness r value1 cathedral ceiling construction 15 394mm 23 603mm 48 1 219mm 10 260mm 38 0 1. 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. Ask your owens corning representative for the fact sheet on r values.

Recommended home insulation r values. 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.