Putting Insulation In My Attic

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.

Putting insulation in my attic.

It makes much more sense and cents to insulate the attic floor which in effective is insulating the ceiling of the rooms below. The higher the r value the better the thermal performance of the insulation. These insulation levels will keep heated air from migrating out in winter. 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. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Then pivot in place and do the same thing to the other side. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. Typically houses in warm weather states should have an r 38 insulation in the attic whereas houses in cold climates should have r 49. You can achieve better thermal performance in your attic by adding an additional layer of insulation. Contractor or insulation installer s fee.

Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Square footage of your attic. The main factors that impact the cost are. 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.

Type and material of your insulation. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. 3 have a friend add material to the hopper. Nothing unusual about that.

Earlier this year i got a question about a home that had spray foam insulation in the attic. 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. The idea is to keep the temperature inside the attic as close as possible to the outside air temperature. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. According to home advisor insulating your attic can cost between 1700 to 2100.