Crossword clues for the word: MASONITE The word MASONITE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for MASONITE Showing 1 to 9 of 9 results Clue(s) Brand of fiberboard Composite board material Construction board Construction board material Fiberboard brand Hardboard Hardboard brand Movers' hardboard Pressed material used for countertops