How To Add Extra Insulation To The Attic

To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below.

How to add extra insulation to the attic.

You can do it yourself for about 500. The vapor retarder on top of or between layers of insulation can trap moisture. Expect to pay an additional 85 per hour for this service. 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.

Add the right kind of insulation. Before you call a contractor however it s important to understand the options and costs involved. Whether you live in a warm weather state as i do or in a cooler northern climate it s hard to stay comfortable and keep your energy bills in check if you don t have adequate insulation in the attic. To determine whether you should add insulation.

Attic hatch or door. Faced insulation should not be placed on top of existing insulation in the attic. Inspecting and evaluating your insulation. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

Affix rigid foam insulation to the attic side of the hatch or door. The cost and effort to add more insulation is minimal. How to add extra insulation to an attic. If your rigid metal ductwork has any insulation it may already have enough.

According to the u s. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. If it s uninsulated you should insulated it to at least r 4 to r 8 for dfw. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.

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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft.

Multiply the number of inches of insulation by the r value per inch. You can add loose fill on top of fiberglass batts or blankets and vice. Consider adding more insulation as ductwork is farther from the furnace. How much does attic insulation cost.