Best Insulation For Attic Over Garage

Many garages have an attic above them.

Best insulation for attic over garage.

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. If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer. This is a wide open drafty space that homeowners typically use for storage. When you re insulating a garage wall that is attached to your home you need to install the insulation backwards.

But what many may not know is an uninsulated attic drains energy and money. On the same hand if there is a bedroom above the garage and not an attic the same concept applies. Insulating an attached garage may help lower heating and cooling costs since it provides a buffer space between the home s interior and the outdoors. The paper side of fiberglass insulation is typically installed facing the living spaces in your home.

The insulation will keep the naturally hot or cold air in the garage and the artificially warmed or cooled air in the room above it. Adding insulation to a garage will help moderate temperature extremes particularly if the garage space is attached to a house. A garage attic also should be insulated is if there is an air conditioned room above the garage. However if your attic gets very hot in the summer insulating the ceiling may reduce some of the heat transferred from the attic to the garage space via conduction through the ceiling materials.

You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling. Fiberglass insulation designed for walls usually comes with a vapor retarder known as kraft facing. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. Affix rigid foam insulation to the attic side of the hatch or door.

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. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists. Building codes differ by jurisdiction so be sure to check your.