Add Extra Insulation To Attic

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.

Add extra insulation to attic.

The chart included below shows you the approximate thickness of each type of insulation you should ideally have in the attic. Pull out a small amount of insulation if needed to help. Turn off the power to the outlet. To install it just lay it across the joists.

Measure how much insulation you already have. You can do it yourself for about 500. You can add loose fill on top of fiberglass batts or blankets and vice versa. Put on goggles and gloves to protect yourself while handling.

You should be able to see if there is insulation in the wall. 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. Follow the manufacturer s on package recommendation for r value based on your geographic.

Lay a walkway. When you do the measuring make sure you have plenty of light to work by and work on a cool day. 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. Inspect the exterior walls by using an electrical outlet.

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. How to add extra insulation to an attic 1. How much does attic insulation cost.

Remove the outlet cover and shine a flashlight into the crack around the outlet box. How do i add insulation to existing attic insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. To determine if you need more insulation measure what s in place with a ruler or tape.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Install fiberglass batts over existing batt insulation. Check the depth using a tape measure. Keep adding layers until you get to r 38.

Rosie romero is an arizona home building and remodeling industry expert with 25 years of experience. Multiply length by width to determine the attic s area and the amount of. Blown in attic and wall insulation is a more effective way to add insulation to older homes. Plan to pull up the flooring and layer new insulation on top of the old.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.