How To Add Extra Insulation In Attic

To determine whether you should add insulation.

How to add extra insulation in attic.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Affix rigid foam insulation to the attic side of the hatch or door. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Pull down stair or ladder.

If you do have mold in the attic you ll need to have it treated and removed by a professional before you add insulation. 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. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. How to add extra insulation to an attic.

In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Multiply the number of inches of insulation by the r value per inch. According to the u s. 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.

Blown in insulation overview. Inspecting and evaluating your insulation. Blowing attic insulation isn t hard but it s dusty sweaty work. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. You can do it yourself for about 500. Faced insulation should not be placed on top of existing insulation in the attic.

Add the right kind of insulation. How much does attic insulation cost. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Attic hatch or door.

The vapor retarder on top of or between layers of insulation can trap moisture. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.