DCHP-2

gyproc Gyproc, gyprock, < gyp(sum) + rock DCHP-2 (October 2016)

• n. & adj. — proprietary, Construction

  drywall; wallboard.

  Type: 5. Frequency — Gyproc is a proprietary name for wall panels made of gypsum plaster between two layers of paper. The term has been generalized in Canada and New Zealand, among other locations (see Chart 1). It is, however, rare in the US, where drywall is the preferred term. See Image 1 for installed and plastered gyproc boards.
  See also Gage-5, s.v. "gypsum board", COD-2, s.v. "gyproc", which marks it "Cdn & Austral."