Best Insulation For Attic Over Garage

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Best insulation for attic over garage.

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. This is a wide open drafty space that homeowners typically use for storage. Fiberglass insulation designed for walls usually comes with a vapor retarder known as kraft facing. Building codes differ by jurisdiction so be sure to check your.

Attic hatch or door. The paper side of fiberglass insulation is typically installed facing the living spaces in your home. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.

Adding insulation to a garage will help moderate temperature extremes particularly if the garage space is attached to a house. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling. If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer. 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.

Affix rigid foam insulation to the attic side of the hatch or door. Many garages have an attic above them. On the same hand if there is a bedroom above the garage and not an attic the same concept applies. Insulating the area in the attic over a garage might keep the temperature a little more stable in the garage but it does little to reduce the amount of energy needed to heat and cool your house so it s not a good investment of your energy dollars.

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. A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening. 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. A garage attic also should be insulated is if there is an air conditioned room above the garage.