Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes.
Insulation over garage attic.
If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer.
Danny lipford in an uninsulated attic over a 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.
It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.
You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.
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 since it s not usual to heat or cool a garage insulating.
A garage attic also should be insulated is if there is an air conditioned room above the garage.