R 30 Blown Insulation Thickness

Rigid foam insulation provides the same r factor with approximately one half the thickness.

R 30 blown insulation thickness.

3 5 inches r13. For future reference here is the cavity depth you need for some common insulation r values. 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. The higher the r value the better the thermal performance of the insulation.

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. The table below shows what levels of insulation are cost effective for different climates and. 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.

Input length width and desired r value of the area to be insulated. Click the button to calculate the depth in inches and pounds of total insulation required for this job. 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. Input depth of existing blown in insulation in inches.

Most of our building project has been very forgiving of my learn as we go mentality but insulation requires some forethought. As a benchmark one inch of solid wood has an r value of 1. 6 inches r19. Cellulose is primarily made from recycled newsprint.

9 inches r30. Insulation level are specified by r value. R value is a measurement of thermal resistance and measures the ability of heat to transfer from one side of an object to another. 12 inches r38.

This calculator is to be used as an estimating tool only. R value is a measure of insulation s ability to resist heat traveling through it. 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. Owens corning r 30 ecotouch pink cathedral ceiling unfaced fiberglass insulation batt 23 3 4 in.

Most fiberglass contains 20 30 recycled glass and is a manufactured product for this process. Click the button to calculate the approximate r value for this job. Recommended home insulation r values. This calculator is to be used as an estimating tool only.