This calculator is to be used as an estimating tool only.
Calculating insulation needed for attic.
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.
Input length width and desired r value of the area to be insulated.
Input length width and desired r value of the area to be insulated.
Greenfiber insulation calculator easy to follow steps for calculating the perfect amount of insulation needed for your project.
This calculator is to be used as an estimating tool only.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
The cost of one bag.
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.
The length of the area feet inches the width of the area feet inches the coverage of one bag cubic feet the r value per one inch of thickness of the insulation settled the desired r value.
Insulation calculation once you have determined which r value you need you can calculate how much insulation you need.
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.
Use these insulation calculators to estimate how much insulation you may need and how much you could save on your energy bills.
Input length and width of area to be insulated.
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.