FIRM-FILL® CMD (Corrugated Metal Decking) Gypsum Concrete Floor Underlayment

Designed for use in multi-family, commercial and institutional buildings with light-gauge steel framing and a corrugated steel deck, FIRM-FILL® CMD is a lightweight, high-strength gypsum concrete floor underlayment. Installed at 1" above the top of the flutes, FIRM-FILL® CMD reduces deadloads and thickness, significantly lowering costs.

Multi-family, commercial projects, & industrial buildings.

• Lightweight solution for fast-track construction
• Ideal for multi-family and mid-rise commercial applications
• Economical solution to build higher, faster, and lighter
• Creates a smooth, flat, rock-solid surface for the installation of finished floor coverings
• UL listed for 1, 1-1/2, and 2-hour fire-resistance per UL G565, G568
• Quick drying; can be walked on in 90 minutes
• Expert application; installed only by trained, Licensed Applicators

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