Thickness Of R 30 Batt Insulation

Johns manville kraft faced formaldehyde free fiber glass insulation is paper faced to help control moisture in concealed applications such as exterior.

Thickness of r 30 batt insulation.

Owens corning r 30 ecotouch pink cathedral ceiling unfaced fiberglass insulation batt 23 3 4 in. R 30 insulation thickness or even r 19 thickness is often used in warmer climates. 8 thick r 30c ecotouch thermal batt. When you compress fiber glass batt insulation the r value per inch goes up but the overall r value goes down because you have less inches or thickness of insulation.

10 bags model u91 view the owens corning attic insulation. How thick is r 30 insulation. R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. R 30 insulation has varying thicknesses depending on the type of material and in what form it comes.

Note that r30 batt insulation thickness is just 9 1 2 inches thick where as r 49 batt insulation thickness is 15 1 2 inches. R 30 ecotouch pink fiberglas insulation with purefiber technology is the preferred owens corning insulation by homeowners because of amazing sustainability. Rigid foam insulation provides the same r factor with approximately one half the thickness. In comparison an inch of blown fiberglass insulation has an r value of 3 1 3 4 and an inch of blown cellulose in an attic has an r value of 3 2 3 7.

As a benchmark one inch of solid wood has an r value of 1. The r value of insulation refers to heat transference or how quickly heat travels through the material. Insulation thickness to reach the r 30 value depends on the insulation material but fiberglass batts of r 30 insulation are 9 1 2 inches thick. Sized for proper ventilation r 30c ecotouch thermal batt insulation is designed to eliminate r value loss caused by compressing standard r 30 products in 2x10 cathedral ceiling construction.

Owens corning ecotouch insulation is soft to the owens corning ecotouch insulation is soft to the touch easy to cut and install. Compressing r 19 insulation typically 6 thick into a 2x4 stud cavity that is 3 deep. By staff writer last updated mar 25 2020 2 50 52 pm et. R 30 kraft faced fiberglass insulation batt 24 in.