Joint compound, also known as drywall mud or plaster, is used is to fill in all the gaps and cracks in your walls. It is a mix of gypsum powder and water that turns into this smooth, paste-like ...

Joint compound (also known as “drywall mud ... When making minor repairs to plaster or Sheetrock gaps that are less than ¼-inch deep or wide, spackle is a good option because it ...