How To Add Extra Insulation To The Attic

You can do it yourself for about 500.

How to add extra insulation to the attic.

Inspecting and evaluating your insulation. Multiply the number of inches of insulation by the r value per inch. Blown in insulation overview. Before you call a contractor however it s important to understand the options and costs involved.

Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. Expect to pay an additional 85 per hour for this service. 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.

Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. The cost and effort to add more insulation is minimal. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

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. Add the right kind of insulation. Affix rigid foam insulation to the attic side of the hatch or door. Faced insulation should not be placed on top of existing insulation in the attic.

Adding insulation to an unfinished attic is one of the most effective ways to save money on your energy bills. According to the u s. Consider adding more insulation as ductwork is farther from the furnace. 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.

Blowing attic insulation isn t hard but it s dusty sweaty work. You can add loose fill on top of fiberglass batts or blankets and vice. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. If your rigid metal ductwork has any insulation it may already have enough.

The vapor retarder on top of or between layers of insulation can trap moisture. Attic hatch or door. Check the attic walls and floors adjacent to an unheated space like a garage or basement. Pull down stair or ladder.

Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass. To determine whether you should add insulation. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. If it s uninsulated you should insulated it to at least r 4 to r 8 for dfw.