The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
Putting extra insulation in attic.
In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.
In either case get an extra bag or roll you really don t want to run out when you re almost done putting it in.
According to the u s.
The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home.
Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.
If you decide on mineral wool such as glass wool or rock wool you will need to put down a damp proof membrane.
Blown in insulation overview.
Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch.
Cellulose is recycled newsprint treated with a fire.
Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
Inspecting and evaluating your insulation.
Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary.
You can do it yourself for about 500.
The number one prep step.
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.
The structural elements are usually exposed in these areas which makes it.
In practical terms you can choose between mineral wool or insulation boards.
How to add extra insulation to an attic.