Plasterboard or Gypsum Panels

This page is the CodyCross answer for the clue below from Cruise Ship, Group 646, Puzzle 3 (Underwater Adventures).

Question is: Plasterboard or Gypsum Panels

and the answer is: DRYWALL

Word Meaning:

DRYWALL — A building material comprising a sheet of gypsum sandwiched between two pieces of heavy paper, used mainly for interior walls and ceilings.

Definitions from Wiktionary.