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 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. Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. Level uneven spots with a rake. See below for a shopping list and tools subscribe to this old house.
Measure how much insulation you already have. How to add extra insulation to an attic 1. How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any.
It needs to be unfaced. Find a pre screened local home insulation contractor. Multiply length by width to determine the attic s area and the amount of. How do i add insulation to existing attic insulation.
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. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Lay a walkway.
Position the new vent chute so the. Wear a long sleeve shirt gloves eye protection and a dust mask. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Measure the length and width of the attic.
Blown in insulation in the attic seal attic bypasses. Cost effective way to save energy with this old house general contractor tom silva. You can add loose fill on top of fiberglass batts or blankets and vice versa. Pull the existing insulation away from the roof.
Install or repair vent chutes. 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. 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.