How To Add Extra Insulation In Attic

Check the attic walls and floors adjacent to an unheated space like a garage or basement.

How to add extra insulation in attic.

Pull down stair or ladder. Blowing attic insulation isn t hard but it s dusty sweaty work. If you want more storage space in your attic you can add shelving or other configurations. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Add the right kind of 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. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

You can add loose fill on top of fiberglass batts or blankets and vice. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. You can do it yourself for about 500.

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. The vapor retarder on top of or between layers of insulation can trap moisture. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

To determine whether you should add insulation. Multiply the number of inches of insulation by the r value per inch. How to add extra insulation to an attic. Attic hatch or door.

Inspecting and evaluating your insulation. How much does attic insulation cost. Blown in insulation overview. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.

According to the u s. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.