Putting Insulation In My Attic

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

Putting insulation in my attic.

Blow in insulation until the hopper is empty. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. You can achieve better thermal performance in your attic by adding an additional layer of 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.

3 have a friend add material to the hopper. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Earlier this year i got a question about a home that had spray foam insulation in the attic. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. Square footage of your attic. The main factors that impact the cost are. According to home advisor insulating your attic can cost between 1700 to 2100.

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. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. The idea is to keep the temperature inside the attic as close as possible to the outside air temperature. 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.

Hi kate it s not necessary to insulate attic walls because it s an unheated space. Type and material of your insulation. The higher the r value the better the thermal performance of the insulation. Contractor or insulation installer s fee.

Move across the attic until you ve hit your desired height at every point. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Then pivot in place and do the same thing to the other side. These insulation levels will keep heated air from migrating out in winter.