Drywall (aka plasterboard, wallboard or Sheetrock) is a boon to the do-it-yourself weekend handyperson. This useful substance, composed of two heavy sheets of paper sandwiching a layer of gypsum ...

Before the introduction of gypsum wallboard, interior walls were finished with plaster. Wallboard is essentially a flat sheet of plaster sandwiched between sheets of special paper. Unlike plaster, ...