This range varies from a low of 30 for homes with heat pumps or natural gas furnaces in zone 3 i e.
Howmutch insulatio should be in an attic.
Batt and blanket insulation.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation.
According to the u s.
Affix rigid foam insulation to the attic side of the hatch or door.
How much does attic insulation cost.
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.
Pull down stair or ladder.
To make insulating an attic easier grab a helper and set aside two days.
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 zone you live in will determine how much insulation you need in your attic.
Add weatherstripping around the.
One for attic prep and the second to actually blow the insulation.
What type of insulation should i use in my attic.
You can do it yourself for about 500.
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.
If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job.
The insulation in your attic should be at least 12 thick.
The thicker the better.
Use unfaced insulation when adding more insulation to an attic that already has some insulation laying the rolls or batts at right angles to the floor joists.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
These are large rolls of insulation that are easy to cut into usable shapes.
Fiberglass is probably the most common type of insulation but be careful when handling it and.
Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Protect access spots attic hatch or door.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
Most of ga al ar sc ok etc to a high of 49 for zones 6 8 i e.
Wy mt nh me wi etc.