Blown In Insulation R Value Calculator

The higher the r value per inch of thickness the better job the insulation will do when you heat or cool your home.
Blown in insulation r value calculator. Please enter in your email address in the following format. The r value of insulation is a measure of how well it reduces the flow of heat and cold into and out of your house. 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. What type of insulation do you currently have.
Input length width and desired r value of the area to be insulated. The higher the r value the better the thermal performance of the insulation. Click the button to calculate the depth in inches and pounds of total insulation required for this job. This calculator is to be used as an estimating tool only.
Input length width and desired r value of the area to be insulated. As the title indicates this insulation is blown into the space that needs to be insulated. Inches more and more. Some places that sell blown insulation will include a free equipment rental with the purchase of a certain minimum amount of bags.
Click the button to calculate the depth in inches and pounds of total insulation required for this job. Estimated depth of current insulation. Click the button to calculate the approximate r value for this job. The table below shows what levels of insulation are cost effective for different climates and locations in the home.
A higher insulation r value usually means a higher price point as well. Along with knowing the r value of a particular insulation it is also important to calculate the r value of a total system. Current r value target r value project size in ft 2 bags of greenfiber already have insulation. Typically a higher insulation r rating means better climate control and better energy efficiency for your home.
Insulation level are specified by r value. 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. It can be done without blowing equipment but at a much lower coverage rate per bag.
For every type and material of insulation check the r value per inch of thickness that the manufacturer has listed. Get 5 off when you sign up for emails with savings and tips. This calculator is to be used as an estimating tool only.