How Do I Add Insulation To My Attic

How to install attic insulation over existing insulation you can install fiberglass batts yourself right over existing insulation but follow these precautions.

How do i add insulation to my attic.

I had a similiar issue with my house in new england lack of insulation basically i laid unfaced batts over the existing insulation to increase the r value. Add the right kind of insulation. The first step is to make sure you ve sealed your attic bypasses. Before adding insulation evaluate the condition of the attic which may require the assistance of an architect or builder.

Measure how much insulation you already have. Multiply length by width to determine. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Fortunately adding insulation to an attic is a task well within the ability of a competent do it yourselfer.

Measure the length and width of the attic. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. You can add loose fill on top of fiberglass batts or blankets and vice versa. Wear a long sleeve shirt gloves eye protection and a dust mask.

Do you need to add insulation. How do i add insulation to existing attic insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. The answer depends on where you live the heating and cooling costs in your area your existing insulation levels local codes and more.

Check the depth using a tape measure. Then visit www eere energy gov and do a search for zip code insulation program use the insulation calculator to plug in your zip code lifestyle factors building design energy costs and budget to get a detailed recommendation. 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.

Make sure your vents still have access to the outside air do not cover them with the newer insulation. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.