R 30 Blown Insulation Thickness

12 inches r38.

R 30 blown insulation thickness.

R stands for resistance and the higher an insulation s r value the more efficiently it resists transfer of heat from a warm zone into a cooler zone. Most of our building project has been very forgiving of my learn as we go mentality but insulation requires some forethought. Click the button to calculate the depth in inches and pounds of total insulation required for this job. Insulation project calculator how to install naima r value certification product training videos colab learning video library for pros distributor locator why owens corning insulation propink vs.

Input length width and desired r value of the area to be insulated. Recommended home insulation r values. Input depth of existing blown in insulation in inches. 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.

10 bags model u91 view the owens corning attic insulation. Owens corning r 30 ecotouch pink cathedral ceiling unfaced fiberglass insulation batt 23 3 4 in. Insulation is rated by its r value. Cellulose is primarily made from recycled newsprint.

Types of blown in insulation. Click the button to calculate the approximate r value for this job. 3 5 inches r13. 9 inches r30.

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. 6 inches r19. Most fiberglass contains 20 30 recycled glass and is a manufactured product for this process.

Insulation level are specified by r value. Spray foam pink fiberglas vs. The most common types of materials used for blown in insulation include cellulose fiberglass and mineral rock or slag wool. R value is a measure of insulation s ability to resist heat traveling through it.

For future reference here is the cavity depth you need for some common insulation r values. The table below shows what levels of insulation are cost effective for different climates and. This calculator is to be used as an estimating tool only. As a benchmark one inch of solid wood has an r value of 1.