Attic Insulation Over Do It

You can do it yourself for about 500.

Attic insulation over do it.

How much does attic insulation cost. A bag of cellulose runs about 11 50 and will cover 36 7 square feet at a. Blowing attic insulation isn t hard but it s dusty sweaty work. 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.

You can achieve better thermal performance in your attic by adding an additional layer of insulation. 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. 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. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

This method can be used in any climate though it historically has been most popular in colder climates. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. You can add loose fill on top of fiberglass batts or blankets and vice versa. Insulating an unfinished attic can be a simple diy project.

An unfinished attic is an attic that is not considered part of the living space. 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. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

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. Choose the right insulation.