You can do it yourself for about 500.
How to add extra insulation to the attic.
If your rigid metal ductwork has any insulation it may already have enough.
Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.
The cost and effort to add more insulation is minimal.
If it s uninsulated you should insulated it to at least r 4 to r 8 for dfw.
Consider adding more insulation as ductwork is farther from the furnace.
Faced insulation should not be placed on top of existing insulation in the attic.
To determine whether you should add insulation.
Blown in insulation overview.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
Affix rigid foam insulation to the attic side of the hatch or door.
Before you call a contractor however it s important to understand the options and costs involved.
To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below.
Multiply the number of inches of insulation by the r value per inch.
Expect to pay an additional 85 per hour for this service.
Attic hatch or door.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
You can add loose fill on top of fiberglass batts or blankets and vice.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
Blowing attic insulation isn t hard but it s dusty sweaty work.
An adequately insulated attic reduces your home s energy costs by keeping warm air in during the winter and hot air out during the summer.
Add the right kind of insulation.
Pull down stair or ladder.
How much does attic insulation cost.
Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.
How to add extra insulation to an attic.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Adding insulation to an unfinished attic is one of the most effective ways to save money on your energy bills.
According to the u s.
The vapor retarder on top of or between layers of insulation can trap moisture.