Since 1990
7221 Gray Burn Drive Suite A
Glen Burnie, Maryland 21061-2841
Copyright © 2003. All rights reserved.
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 (1-9/16" total), FIRM-FILL® CMD reduces deadloads and thickness, significantly lowering costs.
Features and Benefits
·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
·Quick drying; can be walked on in 90 minutes
Expert application; installed only by trained, Licensed Applicators
| Technical Data |
Properties |
ASTM |
| Weight |
Minimum 12.8 psf (62.47 kg/m2) at 1-9/16" (40mm) |
C-472 M |
| Thickness |
1-9/16" (40mm) |
|
| Compressive Strength |
Up to 3500 psi (24.1 MPa) |
C-472 M |
| Fire Hazard Classification |
Flamespread index 0; Fuel Contribution 0; Smoke Density 0 E-84 |
E-84 |
| Patty Size |
8" (203mm) plus or minus 1/2" (13mm) in diameter |
|
| Sand |
1/8" (3mm) or less washed plaster or masonry sand |
E-11 |
FIRM-FILL® CMD
