First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Attic insulation thickness calculator.
Greenfiber insulation calculator easy to follow steps for calculating the perfect amount of insulation needed for your project.
Inspecting your attic insulation.
Refer to the project guide for more information on determining the right r value for your home.
Insulation calculation once you have determined which r value you need you can calculate how much insulation you need.
Insulation level are specified by r value.
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.
R value is a measure of insulation s ability to resist heat traveling through it.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Input length and width of area to be insulated.
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Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
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