The thicker the better.
How much blown in attic insulation do i need.
Blown in spray foam batts and blankets.
Add the right kind of insulation.
Blown in insulation overview.
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.
Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e.
First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation.
Handy homeowners can install blown in insulation in the attic.
The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot.
Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass.
The insulation in your attic should be at least 12 thick.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
The zone you live in will determine how much insulation you need in your attic.
How much insulation do i need in my attic.
We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
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.
When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation.
Looking to install blown in insulation but don t know how much you need.
Then check out our handy insulation calculator.
You can do it yourself for about 500.
Inspecting your attic insulation.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your.
The higher the r value the better the thermal performance of the insulation.
This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
How much does attic insulation cost.