While some ceilings in the southwestern part of the united states require a minimum of r 19 insulation most attics or ceiling areas require a minimum of r 38 in the ceiling.
Garage ceiling insulation requirements.
Staple the insulation all the way down the side of the stud.
How to insulate a garage ceiling.
Insulating the ceiling of your garage involves the same process as insulating the walls.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Cover the insulation with drywall.
You can buy insulation kits for standard metal garage doors or you can cut pieces of rigid foam insulation to fit each door panel section.
Additions to existing buildings should conform to code as they relate to new construction without requiring the unaltered portion of the existing building or building system.
This is a fire hazard.
This will allow you to add the needed insulation.
Don t insulate your garage walls and ceiling without insulating the big garage door too.
To get more insulation in the garage install a ceiling and provide access to the space between the ceiling and the roof.
Screw and glue drywall to the stud.
While federal and in some cases state guidelines for insulation levels are merely recommendations the local building code is the true authority over insulation requirements.
In most communities building codes require the construction of a fire rated barrier between the garage and any living space.
If you have an unfinished garage ceiling and a room above the garage you may want to consider adding insulation to your garage ceiling in order to reduce the amount of energy that is lost between the room and the garage ceiling the garage ceiling tends to lose quite a bit of heat over the winter months because of the constant opening and closing of your garage doors when you let your car in.
Additions building additions that include an attached garage are subject to the air sealing and insulation requirements listed in the iecc irc.
How to install a firewall ceiling in a garage.