How To Add Extra Insulation In Attic

How to add extra insulation to an attic.

How to add extra insulation in attic.

Inspecting and evaluating your insulation. If you do have mold in the attic you ll need to have it treated and removed by a professional before you add insulation. Check the attic walls and floors adjacent to an unheated space like a garage or basement. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. The vapor retarder on top of or between layers of insulation can trap moisture. Add the right kind of insulation. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. How much does attic insulation cost. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Pull down stair or ladder.

Faced insulation should not be placed on top of existing insulation in the attic. 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. Multiply the number of inches of insulation by the r value per inch. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Blowing attic insulation isn t hard but it s dusty sweaty work. Blown in insulation overview. Attic hatch or door.

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. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. You can add loose fill on top of fiberglass batts or blankets and vice. To determine whether you should add insulation.

If you want more storage space in your attic you can add shelving or other configurations. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.