How To Put Extra Insulation In Attic

When you re ready to install new insulation check that your platforms are insulated and if they re not fill them from the top with blown in insulation or remove the boards and lay batting underneath.

How to put extra insulation in attic.

Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Put on goggles and gloves to protect yourself while handling. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered.

Pull the existing insulation away from the roof. Position the new vent chute so the. How do i add insulation to existing attic insulation. You can add loose fill on top of fiberglass batts or blankets and vice versa.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Install fiberglass batts over existing batt insulation. With a helper to load the blower with insulation as needed start at the perimeter of the attic and work toward the attic access door.

Measure how much insulation you already have. Cost effective way to save energy with this old house general contractor tom silva. Lay a walkway. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

Find a pre screened local home insulation contractor. Level uneven spots with a rake. How to add extra insulation to an attic 1. See below for a shopping list and tools subscribe to this old house.

Blown in insulation in the attic seal attic bypasses. Measure the length and width of the attic. It needs to be unfaced. Follow the manufacturer s on package recommendation for r value based on your geographic.

If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing. How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions. Wear a long sleeve shirt gloves eye protection and a dust mask.