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.
Insulation over garage attic.
Danny lipford in an uninsulated attic over a garage.
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.
But since it s not usual to heat or cool a garage insulating.
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.
Installing insulation in the attic above an attached garage will help stabilize the temperature in that specific area of your home.
A garage attic also should be insulated is if there is an air conditioned room above the garage.
A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening.