The average recommended level is 17 inches of r60.
How much attic insulation do i need.
How much insulation do i need in my attic.
Add the right kind of insulation.
Inspecting your attic insulation.
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.
Bob foley december 1 2017 at 9 27 am.
In zone 6 the average minimum requirement for attic insulation is 14 inches of r49 fill.
How much insulation in attic for zones 5 7.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
Click the button to calculate the amount of insulation in square feet and man hours wall and ceiling fiberglass insulation needed for this job.
The average recommended level is 17 inches of r60.
How much insulation do i need for 40 40 attic.
In zone 5 the average minimum requirement for attic insulation is 11 inches of r38 fill.
Input length and width of area to be insulated.
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.
The thicker the better.
A few years back i added lots 6 to 9 inches to the 6 inches i had in the attic of my ranch in new england.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Noticeable difference in comfort and less heat to warm the house.