Attic Additional Insulation

It needs to be unfaced.

Attic additional insulation.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Square footage of your attic. The vapor retarder on top of or between layers of insulation can trap moisture. Builders usually insulate the attic during construction but sometimes additional insulation is required to increase energy efficiency.

Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. 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. 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.

In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. You can achieve better thermal performance in your attic by adding an additional layer of insulation. Inspect the exterior walls by using an electrical outlet.

Choose from two types. 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. Contractor or insulation installer s fee. Spray foam attic insulation spray foam offers the best attic insulation performance available.

Insulation that is wet compressed or scattered loses its. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

According to home advisor insulating your attic can cost between 1700 to 2100. The main factors that impact the cost are. Type and material of your insulation. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

You can add loose fill on top of fiberglass batts or blankets and vice versa. 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. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.