You'll find that there are more thickness options than size options, especially if you opt for Sheetrock. 1/4-inch drywall: The thinnest of all drywall options, this is most commonly used as a ...

All prominent drywall manufacturers, including USG Sheetrock, produce 4-foot-wide by 8-foot-long, 1/2- and 5/8-inch drywall ...