This calculator is to be used as an estimating tool only.
Calculating insulation needed for attic.
The most common form to insulate a home from heat cold and even sound waves is a roll or blanket insulation.
What you do need to know is the recommended r value for your home so that you can use enough material to meet the recommendation.
Greenfiber insulation calculator easy to follow steps for calculating the perfect amount of insulation needed for your project.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3.
They are rolled and made of fiberglass and is at least expensive cost.
The r value for most insulation materials has already been calculated and is displayed on the container so you don t have to know how to calculate it.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
Input length and width of area to be insulated.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
Inspecting your attic insulation.
Use these insulation calculators to estimate how much insulation you may need and how much you could save on your energy bills.
This calculator is to be used as an estimating tool only.
Input length width and desired r value of the area to be insulated.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
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.
This calculator is to be used as an estimating tool only.
Input length width and desired r value of the area to be insulated.