How To Insulate Garage Ceiling Under Finished Bonus Room

The home we purchased three years ago has a finished bonus room over garage 22x25 that gets really hot during spring summer and fall.

How to insulate garage ceiling under finished bonus room. The options you have for the room in general are fiberglass batts blown in cellulose blown in cellulose injection foam and spray foam. I can see insulation around the bonus room in the attic. There is a 350 sq ft unfinished room over the 2 car garage and an adjacent large unfinished second floor attic area. Use fibreglass cellulose foam board or closed cell spray foam if it were my garage i d go with spray foam.

Spray foaming the exterior walls use traditional blown in insulation and wrap the exterior of the walls with foil backed foam board install traditional fiberglass batts. But if the garage is heated you should definitely insulate. Then cover it with drywall. Sealing the garage will give the insulation time to start working.

Fix these by stapling the layers into place around the perimeter of your new ceiling. Once you have finished the job lock the garage. Step five seal garage. Leave it for two or three days and it should feel noticeably warmer the next time you go in.

My initial assumption was that the heat was coming from the attic. An open stairwell leads from the first floor has a door at the first floor level to the room over the garage. It should either deal with all those issues or have its name changed. The name of this article though is how to insulate a room over a garage which implies insulating all the walls floor ceiling as well as dealing with issues specific to garages versus other kinds of cold spaces below finished rooms.

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. I m a computer guy by trade so am building skills challenged. Chris from renovation semi pros explains the insulation cosiderations for a converting an attic space over the garage to conditioned finished space. You have three basic options when insulating a bonus room.

This is due to uncond.