How To Add Extra Insulation In Attic

If you want more storage space in your attic you can add shelving or other configurations.
How to add extra insulation in attic. If you do have mold in the attic you ll need to have it treated and removed by a professional before you add insulation. Add the right kind of insulation. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.
Blown in insulation overview. The vapor retarder on top of or between layers of insulation can trap moisture. 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.
Attic hatch or door. Faced insulation should not be placed on top of existing insulation in the attic. Pull down stair or ladder. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
Blowing attic insulation isn t hard but it s dusty sweaty work. Multiply the number of inches of insulation by the r value per inch. How to add extra insulation to an attic. Affix rigid foam insulation to the attic side of the 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. 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. Inspecting and evaluating your insulation.
According to the u s. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Check the attic walls and floors adjacent to an unheated space like a garage or basement. To determine whether you should add insulation.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. 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. You can do it yourself for about 500.