Air sealing as well as fibreglass insulation your garage will also avoid dangerous gases from entering your home.
How to insulate garage ceiling with room above.
Overall okay for a few hundred bucks as well as a weekend break of your residential insulation.
Adding floor insulation to the room over the garage is another option.
How to insulate garage ceiling with room above.
To insulate the floor of the room above the garage seal the space between the floor of the room and the ceiling of the garage and the top plate and the header joist with insulation.
The options you have for the room in general are fiberglass batts blown in cellulose blown in cellulose injection foam and spray foam.
If you don t know whether your garage ceiling has batts or spray foam or whether it has insulation of any kind you can remove a sheet of plywood or cut a small hole in the drywall and look inside.
This can be done through blown in insulation and unfaced or faced batt insulation.
Add insulation to the room s floors.
Spray 3 inches or more of foam against the bottom of the subfloor and fill the rest of the space with the old fiberglass and replace the old gwb ceiling.
The best way to insulate the finished room over the garage is going to be just like any other room in your house insulate the exterior walls the ceiling or attic and the floor.