PLASTERBOARDS
Scrabble letter values: P3L1A1S1T1E1R1B3O1A1R1D2S1 = 18
Definition
PLASTERBOARDS is the plural of PLASTERBOARD.
noun PLASTERBOARD: wallboard with a gypsum plaster core bonded to layers of paper or fiberboard.
Synonyms of PLASTERBOARD: gypsum_board