5/8 in x 4 ft x 10 ft American Gypsum FIREBLOC Type C Gypsum Board
5/8 in x 4 ft x 10 ft American Gypsum FIREBLOC Type X Gypsum Board
5/8 in x 4 ft x 12 ft American Gypsum FIREBLOC Type X Gypsum Board
5/8 in x 4 ft x 8 ft American Gypsum FIREBLOC Type X Gypsum Board
5/8 in x 4 ft x 9 ft American Gypsum FIREBLOC Type C Gypsum Board
5/8 in x 4 ft x 9 ft American Gypsum FIREBLOC Type X Gypsum Board