What is Foam Crown Molding Made of? By Posted November 17, 2017 In What is Foam Crown Molding Made of?2017-11-172018-01-16/wp-content/uploads/2017/10/crown-molding-logo-final-1000x300.pngCrown Molding Solutions/wp-content/uploads/2017/10/crown-molding-logo-final-1000x300.png200px200px 0 Our moldings are a high density foam with a flat back design. The flat back design makes the installation process much simpler.