Drywall is made of gypsum plaster pressed between two thick sheets of paper to create drywall. It is a panel used to build walls and ceilings. Sheetrock is the brand name for drywall produced by the US Gypsum company. Due to Sheetrock's popularity and widespread use, Drywall and Sheetrock are frequently used interchangeably. Despite both serving the same purpose, there are a few minor distinctions between the two that should be taken into account.
One of their differences is that there are numerous brands of drywall, and some of them have special qualities, like mold- or moisture-resistance, to best meet the demands of specific projects. However, unlike other brands of drywall, Sheetrock doesn't give out sulfur odors, which produce a bad smell, potentially be harmful to one's health, and even cause metals to rust.