How To Add Extra Insulation To The Attic

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.

How to add extra insulation to the attic. You can add loose fill on top of fiberglass batts or blankets and vice versa. Use cardboard or rigid foam baffles to keep soffit vents open. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Turn off the power to the outlet.

Then pivot in place and do the same thing to the other side. You should be able to see if there is insulation in the wall. Check the depth using a tape measure. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

How to add extra insulation to an attic. Move across the attic until you ve hit your desired height at every point. How do i add insulation to existing attic insulation. Blow in insulation until the hopper is empty.

Measure how much insulation you already have. Put on goggles and gloves to protect yourself while handling. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. It needs to be unfaced.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Cost effective way to save energy with this old house general contractor tom silva. It s safer to build a small enclosure with hardware cloth or plywood to keep loose insulation away from lights and exhaust fans. Install fiberglass batts over existing batt insulation.

Remove the outlet cover and shine a flashlight into the crack around the outlet box. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Pull out a small amount of insulation if needed to help. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.

Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Fill all cracks between the living area and the attic with caulk or expanding foam. Inspect the exterior walls by using an electrical outlet. A tightly sealed house is just as important as insulation.