Add Extra Insulation To Attic

Pull out a small amount of insulation if needed to help.

Add extra insulation to attic.

Turn off the power to the outlet. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Lay a walkway. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

Follow the manufacturer s on package recommendation for r value based on your geographic. Inspect the exterior walls by using an electrical outlet. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Check the depth using a tape measure.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. How do i add insulation to existing attic insulation. You can add loose fill on top of fiberglass batts or blankets and vice versa. Measure the length and width of the attic.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. How much does attic insulation cost. Measure how much insulation you already have.

Put on goggles and gloves to protect yourself while handling. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Add the right kind of insulation. To install it just lay it across the joists.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. Blown in attic and wall insulation is a more effective way to add insulation to older homes. To determine if you need more insulation measure what s in place with a ruler or tape. Plan to pull up the flooring and layer new insulation on top of the old.

But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. When you do the measuring make sure you have plenty of light to work by and work on a cool day. Rosie romero is an arizona home building and remodeling industry expert with 25 years of experience. If you already have six inches of insulation and you want to get to the recommended r 38 add an attic blanket it s also made of fiberglass but it has no paper backing.

Install fiberglass batts over existing batt insulation. How to add extra insulation to an attic 1. The chart included below shows you the approximate thickness of each type of insulation you should ideally have in the attic. Multiply length by width to determine the attic s area and the amount of.

Keep adding layers until you get to r 38.