Garage Attic Insulation

Insulating the attic above the garage will help keep temperatures in the garage a bit more stable but it won t have any appreciable effect on energy bills.

Garage attic insulation.

Insulating the garage attic if you re lucky enough to have a ceiling and attic access to your garage adding a basic level of insulation up there is a good idea. If the joists are 10 inches deep the cavity can take high density r 30 insulation which is 8 1 2 inches thick more than enough for floor insulation. Measure the height and width between the framing in the ceiling and pre cut the pieces you ll need. It is an excellent reflector of all long wave radiant heat that strikes it reflecting up to 95 of all radiant heat.

Although it won t cut down on the noise insulating the attic of your garage will make it possible to heat or cool the space with a small space heater or window air conditioner. The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the outdoors or unheated spaces such as an unfinished. The main factors that impact the cost are. Contractor or insulation installer s fee.

Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling. This will help while you re up on the ladder. When you should insulate the garage if your home s hvac system does extend into the garage then the attic above it should be insulated as it would for any other room of the house.

If the garage is open to the rafters the boards that support the roof use r 38 insulation between the rafters at the roof if they are 10 inches deep. The higher the r value the better the thermal performance of the insulation. Just remember to use thicker r 40 insulation. If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer.

According to home advisor insulating your attic can cost between 1700 to 2100. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system. Insulating the ceiling of your garage involves the same process as insulating the walls. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.

Type and material of your insulation. Square footage of your attic.