Putting Insulation In My Attic

According to home advisor insulating your attic can cost between 1700 to 2100.

Putting insulation in my attic. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. The higher the r value the better the thermal performance of the insulation. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. These insulation levels will keep heated air from migrating out in winter.

Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. 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. Blow in insulation until the hopper is empty.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Then pivot in place and do the same thing to the other side. Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation. Hi kate it s not necessary to insulate attic walls because it s an unheated space.

Add the right kind of insulation when adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. It makes much more sense and cents to insulate the attic floor which in effective is insulating the ceiling of the rooms below. 3 have a friend add material to the hopper. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

Square footage of your attic. Move across the attic until you ve hit your desired height at every point. Nothing unusual about that. The main factors that impact the cost are.

Contractor or insulation installer s fee. Earlier this year i got a question about a home that had spray foam insulation in the attic. Type and material of your insulation. 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. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.