Putting Extra Insulation In Attic

Install or repair vent chutes.

Putting extra insulation in attic.

Measure the length and width of the attic. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Multiply length by width to determine the attic s area and the amount of. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

The structural elements are usually exposed in these areas which makes it. 3 have a friend add material to the hopper. Position the new vent chute so the. The higher the r value the better the thermal performance of the insulation.

Blown in insulation in the attic seal attic bypasses. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. These insulation levels will keep heated air from migrating out in winter. Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Follow the manufacturer s on package recommendation for r value based on your geographic. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49.

Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation. Check the attic walls and floors adjacent to an unheated space like a garage or basement. Inspecting and evaluating your insulation. How to add extra insulation to an attic 1.

Lay a walkway. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. 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.