overcoating

/ˌoʊvərˈkoʊtɪŋ/
noun
  1. An extra layer or covering applied to a surface for protection or decoration.
    • The artist added a final overcoating of varnish to the painting.
    • The car's paint job included a clear overcoating to protect it from scratches.
    • They applied a waterproof overcoating to the wooden deck.
verb
  1. Present participle of overcoat: to apply an extra layer or covering to something.
    • The workers are overcoating the metal beams with rust-resistant paint.
    • She is overcoating the cake with a thin layer of fondant.
    • The technician is overcoating the circuit board to prevent moisture damage.