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.
Insulation amount in attic.
In zone 4 the average minimum requirement for attic insulation is 11 inches of r38 fill.
The main factors that impact the cost are.
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The average recommended level is 17 inches of r60.
The average recommended level is 17 inches of r60.
In zone 3 the average minimum requirement for attic insulation is 9 inches of r30 fill.
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.
Insulation input length and width of area to be insulated.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
Learn more about attic insulation in these how to videos or at energystar gov.
According to home advisor insulating your attic can cost between 1700 to 2100.
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.
Type and material of your insulation.
Square footage of your attic.