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. The panels feature a double beveled edge for ease of installation, with the ends being square-cut and finished smooth. M-Glass Shaft Liner panels are available: 1" thick x 2' wide, and in a variety of lengths.
M-Glass Shaft Liner panels are UL Classified (UL Type - M-Glass) and used in conjunction with other American Gypsum products and metal framing members for Shaftwall and Area Separation Wall systems. Lightweight non-load bearing gypsum Shaftwall systems have replaced traditional masonry for interior vertical enclosures including stairwells, elevator enclosures and mechanical chases.
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