How To Put Extra Insulation In Attic

How to add extra insulation to an attic 1.

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. Lay a walkway. Measure how much insulation you already have. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used.

Follow the manufacturer s on package recommendation for r value based on your geographic. It needs to be unfaced. 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. If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.

You can add loose fill on top of fiberglass batts or blankets and vice versa. Position the new vent chute so the. 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. Level uneven spots with a rake.

Fill every joist space completely and evenly with the insulation leaving attic vents uncovered. See below for a shopping list and tools subscribe to this old house. Find a pre screened local home insulation contractor. Check the depth using a tape measure.

Multiply length by width to determine the attic s area and the amount of. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Install fiberglass batts over existing batt insulation.

Blown in insulation in the attic seal attic bypasses. How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions. Cost effective way to save energy with this old house general contractor tom silva. Measure the length and width of the attic.

Pull the existing insulation away from the roof. How do i add insulation to existing attic insulation. Wear a long sleeve shirt gloves eye protection and a dust mask.