1 in. x 2 ft. x 12 ft. M-GLASS® M-BLOC® Gypsum Shaft Liner Panel | D1SLGM12-A

M-Glass Shaft Liner panels consist of a fire-resistant type X gypsum core that is encased in a moisture and mold resistant glass mat fabric.

• UL Classified (UL Type - M-Glass)
• Double beveled edge for ease of installation
• Contains no asbestos
• Made in the USA