Best Insulation For Attic Over Garage

It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.

Best insulation for attic over garage.

Attic hatch or door. A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening. Adding insulation to a garage will help moderate temperature extremes particularly if the garage space is attached to a house. 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.

The paper side of fiberglass insulation is typically installed facing the living spaces in your home. 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. 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. 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. If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer. 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. This is a wide open drafty space that homeowners typically use for storage.

A garage attic also should be insulated is if there is an air conditioned room above the garage. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling. Affix rigid foam insulation to the attic side of the hatch or door. Many garages have an attic above them.

Building codes differ by jurisdiction so be sure to check your. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. 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. But what many may not know is an uninsulated attic drains energy and money.