Calculating Insulation For Attic

Input length and width of area to be insulated.

Calculating insulation for attic.

The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. This calculator is to be used as an estimating tool only. Just follow the steps. See professionally prepared estimates for attic insulation work.

Insulation calculation once you have determined which r value you need you can calculate how much insulation you need. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. 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. 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.

Click the button to calculate the depth in inches and pounds of total insulation required for this job. Click the button to calculate the depth in inches and pounds of total insulation required for this job. Refer to the project guide for more information on determining the right r value for your home. If you don t know enter your attic s dimensions and square footage will be calculated for you.

Project size in ft 2 bags of greenfiber. Enter the square footage of your attic. The cost of one bag. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

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. Inspecting your attic insulation first things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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.

This calculator is to be used as an estimating tool only. Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.