USG develops innovative building and manufacturing solutions, enabling global customers to efficiently and affordably create sustainable and accessible spaces. USG's range of durable Drywall ...

The two short sides (usually 4 feet) are not wrapped. Sheetrock is drywall. USG (United States Gypsum), the manufacturer of ...

So USG sales representative D.L. Hunter suggested a re-brand to Sheetrock. One hundred years later, that term has become so ubiquitous that many people use "sheetrock" to mean any kind of drywall.