Putting Extra Insulation In Attic

These insulation levels will keep heated air from migrating out in winter.

Putting extra insulation in attic. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. Position the new vent chute so the. Measure the length and width of the attic.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Install or repair vent chutes. Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Add the right kind of insulation.

Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. How to add extra insulation to an attic 1. Lay a walkway. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

The structural elements are usually exposed in these areas which makes it. Pull the existing insulation away from the roof. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. The higher the r value the better the thermal performance of the insulation.

Multiply length by width to determine the attic s area and the amount of. Follow the manufacturer s on package recommendation for r value based on your geographic. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just.

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. Blown in insulation in the attic seal attic bypasses. 3 have a friend add material to the hopper.