Insulating A Finished Attic Ceiling

The plywood will create a smooth strong ceiling without having to apply drywall tape and mud to the ceiling.

Insulating a finished attic ceiling. For diy attic insulation you ve got two choices. Use screws to attach sheets of birch plywood to the angled ceiling over the insulation making sure to drive the screws into the ceiling joists. 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. The truth is insulating a finished basement ceiling makes a lot of sense but not for the reasons you might expect.

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. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists. If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. Insulating a finished attic there are two basic ways to insulate a finished attic.

The attic floor which is the ceiling of the living space below often already is insulated. Loose fill or batt the common term for blanket insulation. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.

If it is and you plan to provide heating and cooling to the finished attic space you need to remove. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Since parts of a finished attic are usually very close to the roof insulation often blocks proper ventilation that is needed under a roof structure. In this case the area behind the knee wall will be uncomfortably hot or cold.

Both can be added to uninsulated attics or layered over existing material. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.