How To Add Extra Insulation To The Attic

If your rigid metal ductwork has any insulation it may already have enough.

How to add extra insulation to the attic.

Attic hatch or door. Inspecting and evaluating your insulation. Expect to pay an additional 85 per hour for this service. How to add extra insulation to an attic.

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

If it s uninsulated you should insulated it to at least r 4 to r 8 for dfw. Blowing attic insulation isn t hard but it s dusty sweaty work. To determine whether you should add insulation. How much does attic insulation cost.

Pull down stair or ladder. Before you call a contractor however it s important to understand the options and costs involved. According to the u s. 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. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. You can do it yourself for about 500. You can add loose fill on top of fiberglass batts or blankets and vice.

To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below. Faced insulation should not be placed on top of existing insulation in the attic. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Consider adding more insulation as ductwork is farther from the furnace.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Adding insulation to an unfinished attic is one of the most effective ways to save money on your energy bills. Blown in insulation overview. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

Add the right kind of insulation. 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. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. The cost and effort to add more insulation is minimal.