The average recommended level is 17 inches of r60.
How much attic insulation do i need.
In zone 6 the average minimum requirement for attic insulation is 14 inches of r49 fill.
The higher the r value the better the thermal performance of the insulation.
If your attic insulation is only a few inches thick or if you can see the ceiling joists you re wasting money on your heating and cooling bills.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
How much insulation in attic for zones 5 7.
Inspecting your attic insulation.
The insulation in your attic should be at least 12 thick.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Bob foley december 1 2017 at 9 27 am.
The average recommended level is 17 inches of r60.
Input length and width of area to be insulated.
This calculator is to be used as an estimating tool only.
Noticeable difference in comfort and less heat to warm the house.
How much insulation do i need for 40 40 attic.
Add the right kind of insulation.
In zone 5 the average minimum requirement for attic insulation is 11 inches of r38 fill.
How much insulation do i need in my attic.
The thicker the better.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed 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.