R 38 Batt Insulation Roof

8 bags model k91 view the owens corning attic insulation.

R 38 batt insulation roof. Insulation thickness determines its thermal resistance or r value. And the department of energy s corresponding climate zone. R 38 ecotouch pink fiberglas insulation with purefiber technology is the preferred owens corning insulation by homeowners because of amazing sustainability. Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in.

R 49 kraft faced insulation is formaldehyde free fiberglass insulation r 49 kraft faced insulation is formaldehyde free fiberglass insulation protected on one side with moisture resistant kraft facing. Thickness of r 38 insulation. On center 2 in. An r 38 fiberglass batt should be approximately 12 inches thick while the thickness of cellulose insulation of a finished fitted.

Lengths for easy installation in 24 in. Item 305816 model rxss31525. The thicker the insulation the greater the r value. R value is a measure of insulation s ability to resist heat traveling through it.

Framing attics and ceilings. R 38c ecotouch thermal batt insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction. The fiberglass comes in rolls also known as batts which vary in size. Batts are pre cut sheets of fiberglass insulation and rolls are simply longer versions of batts.

Both are designed to slide right into cavities between wood frames. Fiberglass batt roll insulation options are common because they re so easy to install. R 49 kraft faced batts come in pre cut 48 in. The thickness of your r 38 insulation will depend on the material you have the brand and how it s installed.

Once you find your home s zone on this map you can use the below insulation r value chart to determine the minimum r value your insulation should have. The higher the r value the better the thermal performance of the insulation. Rockwool safe n sound r 59 7 sq ft unfaced stone wool batt insulation 15 25 in w x 47 in l. The r value your insulation needs depends on your local climate.

The table below shows what levels of insulation are cost effective for different climates and. They re useful for controlling temperatures acoustics and lowering energy costs. Insulation level are specified by r value. An insulation value of r 38 is at the high end and requires a.