Inspecting your attic insulation.
How many inches of insulation in 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.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
For loose fill cellulose this translates to a total depth ranging from 8 inches.
Having enough insulation in your attic is one of the best ways to save energy on both heating and cooling your home.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
Square footage of your attic.
According to home advisor insulating your attic can cost between 1700 to 2100.
The higher the r value the better the thermal performance of the insulation.
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.
Input length width and desired r value of the area to be insulated.
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.
This calculator is to be used as an estimating tool only.
How well a particular insulation works is expressed by the r value which ranges from 2 0 to 8 0 per inch of insulation.
Type and material of your insulation.
Add the right kind of insulation.
Click the button to calculate the approximate r value for this job.
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The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Contractor or insulation installer s fee.
The main factors that impact the cost are.
Input depth of existing blown in insulation in inches.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your.
This calculator is to be used as an estimating tool only.
Depending on type you will need somewhere between 10 and 18 inches of insulation to meet the recommended insulation values.