Attic Insulation Over Do It

A bag of cellulose runs about 11 50 and will cover 36 7 square feet at a.

Attic insulation over do it.

In addition to walls and attics insulation should be installed in ceilings with unheated spaces basement walls floors above vented crawl spaces cathedral ceilings floors over unheated garages or porches knee walls and in between interior walls especially bathrooms as well as ceilings and floors. 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. You can achieve better thermal performance in your attic by adding an additional layer of insulation.

You can add loose fill on top of fiberglass batts or blankets and vice versa. This method can be used in any climate though it historically has been most popular in colder climates. A garage attic also should be insulated is if there is an air conditioned room above the garage. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

Cellulose insulation has an average thermal value of r 3 7 so you d need just over five inches to equal an r 19 batt. An unfinished attic is an attic that is not considered part of the living space. You can do it yourself for about 500. The insulation will keep the naturally hot or cold air in the garage and the artificially warmed or cooled air in the room above it.

Laying foil over on top of insulation on the attic floor this is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor. Insulating an unfinished attic can be a simple diy project. 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. They are the easiest to insulate because the insulation is installed between the framing members or joints of the floor according to the university of tennessee extension.

Blowing attic insulation isn t hard but it s dusty sweaty work. How much does attic insulation cost.