Proper Way To Insulate Attic Ceiling

The higher the r value the better the thermal performance of the insulation.

Proper way to insulate attic ceiling.

To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. Insulation level are specified by r value. Illustration by ian worpole. If you don t have an attic however there is.

This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Before insulating seal any air leaks and make roof and other necessary repairs. How to put insulation in a ceiling before drywall.

When tom insulates a cathedral ceiling or a finished attic he also turns to foam. With a finished attic insulation must help keep the attic areas comfortable. Insulate and air seal any knee walls vertical walls with attic space directly behind them in your home as well. For diy attic insulation you ve got two choices.

See below for a shopping list and tools. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts. If it is located in a conditioned part of the house also remember to insulate and air seal your attic access. Sprayed against the underside of the roof deck it seals against air movement eliminating the need for a vapor barrier or ventilation.

A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling. Your home needs at least some type of insulation to keep the interior temperature of your home regulated regardless of the specific climate you live in. If you have an attic there are quick ways to insulate the ceiling from above after drywalling it. Both can be added to uninsulated attics or layered over existing material.

How to insulate a finished attic. Typical ceiling insulation involves spreading either loose fill or batt the term commonly used for blanket insulation within the attic or airspace of a home. Loose fill or batt the common term for blanket insulation. But its open cell structure still allows moisture to escape.