Attic Additional Insulation

The main factors that impact the cost are.

Attic additional insulation. 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. Check the attic walls and floors adjacent to an unheated space like a garage or basement. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Spray foam attic insulation spray foam offers the best attic insulation performance available.

Inspect the exterior walls by using an electrical outlet. These insulation levels will keep heated air from migrating out in winter. It needs to be unfaced. According to home advisor insulating your attic can cost between 1700 to 2100.

The vapor retarder on top of or between layers of insulation can trap moisture. Choose from two types. Contractor or insulation installer s fee. Type and material of your insulation.

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. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Closed cell and open cell aka 2 pound and pound respectively.

Square footage of your attic. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. 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. 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. 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.