Putting Extra Insulation In Attic

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

Putting extra insulation in attic.

Thickness must not be used as the sole factor in determining the r value of loose fill insulation particularly for attic insulation. 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. Install or repair vent chutes.

Multiply length by width to determine the attic s area and the amount of. 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. Always cover the tops of the ceiling joists to make sure the insulation is deep enough to reach your target r value and. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any.

The higher the r value the better the thermal performance of the insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Measure the length and width of the attic.

3 have a friend add material to the hopper. Add the right kind of insulation. The structural elements are usually exposed in these areas which makes it. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Blown in insulation in the attic seal attic bypasses. Inspecting and evaluating your insulation. How to add extra insulation to an attic 1. These insulation levels will keep heated air from migrating out in winter.

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