Attic Additional Insulation

Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

Attic additional insulation.

Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Inspect the exterior walls by using an electrical outlet. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. 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 easy to see what type of insulation you have and to measure its depth or thickness inches. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. These insulation levels will keep heated air from migrating out in winter. Spray foam attic insulation spray foam offers the best attic insulation performance available.

Builders usually insulate the attic during construction but sometimes additional insulation is required to increase energy efficiency. Insulation that is wet compressed or scattered loses its. It needs to be unfaced. Type and material of your insulation.

According to home advisor insulating your attic can cost between 1700 to 2100. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Check the attic walls and floors adjacent to an unheated space like a garage or basement. You can add loose fill on top of fiberglass batts or blankets and vice versa.

Contractor or insulation installer s fee. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. You can achieve better thermal performance in your attic by adding an additional layer of insulation. The vapor retarder on top of or between layers of insulation can trap moisture.

Closed cell and open cell aka 2 pound and pound respectively. If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job. Square footage of your attic. Compared with the average cost of insulating 1 343.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. In fact experts at remodeling magazine have found that buyers are willing to shell out an extra 1 446 for a home with an insulated attic. Choose from two types.