It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.
Insulation over garage attic.
A garage attic also should be insulated is if there is an air conditioned room above the garage.
Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes.
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.
The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the outdoors or unheated spaces such as an unfinished.
You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.
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.
A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening.