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. Multiply length by width to determine the attic s area and the amount of. Lay a walkway.

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Measure the length and width of the attic.

How to put extra insulation in attic.

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. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Measure how much insulation you already have.

How to add extra insulation to an attic 1. Cost effective way to save energy with this old house general contractor tom silva. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Install fiberglass batts over existing batt insulation.

Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Check the depth using a tape measure. How do i add insulation to existing attic insulation. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

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. It needs to be unfaced. Install or repair vent chutes. Follow the manufacturer s on package recommendation for r value based on your geographic.

See below for a shopping list and tools subscribe to this old house. Put on goggles and gloves to protect yourself while handling. You can add loose fill on top of fiberglass batts or blankets and vice versa. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any.

Wear a long sleeve shirt gloves eye protection and a dust mask. Position the new vent chute so the. Find a pre screened local home insulation contractor. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

Pull the existing insulation away from the roof. Blown in insulation in the attic seal attic bypasses. Level uneven spots with a rake.

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