If the garage walls are 9 feet high select panels that are 54 inches wide.
Sheetrock thickness for garage ceiling.
Fire resistant or retardant sheetrock is especially popular for garages.
These panels are easy to carry and hang.
As always check with your local building codes before starting your project.
Unless local building codes specify a thickness for ceiling drywall using panels that are one half inch thick on ceilings with 16 inch joist spacing is standard.
The thinnest panels which are one quarter inch thick are generally reserved for overlaying existing walls or ceilings because these thin panels have a tendency to wave and warp when installed alone.
Half inch drywall panels are the standard thickness for interior walls as well as ceilings.
Drywall panel size the most common drywall panel size measures 4 feet by 8 feet and if the garage walls are 8 foot high that s the optimal size.
Most residential building codes only specify the wall between your garage and your living space.
On that wall you d need a inch thick drywall was a fire barrier.
It makes a great choice for ceiling applications because it helps to prevent sagging over time.
Exterior facing walls can use inch drywall but inch drywall is still recommended.
The thickest of all the types of drywall 5 8 inch drywall is often fire resistant drywall.
Even easier are ultra light 1 2 inch panels which are 13 pounds lighter than conventional 1 2 inch drywall.
It is 13 pounds lighter than other varieties for the same size and thickness.
Since a variety of chemicals can be found in most garages having a sheetrock product that can resist extreme heat or flame is important.