Attic Insulation Thickness Calculator

R value is a measure of insulation s ability to resist heat traveling through it.

Attic insulation thickness calculator.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Refer to the project guide for more information on determining the right r value for your home. Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Insulation level are specified by r value. Insulation calculation once you have determined which r value you need you can calculate how much insulation you need. About us blog contact us. Input length and width of area to be insulated.

Greenfiber insulation calculator easy to follow steps for calculating the perfect amount of insulation needed for your project. Products where to buy support about us blog contact us homeowners homeowners contractors builders architects. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

This calculator is to be used as an estimating tool only.