Construction Textured Pattern Loop Pile Fiber 100% Zeftron Solure Nylon Contains Recycled Content. Treated with a Stain Protector and Soil Repellent. Dye Method Solution Dyed Yarn Ply 3 Ply Tufted Yarn Weight 28 Ounces Per Sq. Yd. (949 g/m) Machine Gauge 1/12" (4.72 Rows/cm) Stitches Per Inch 10 (3.94 Stitches/cm) Finished Pile Thickness .114 Inch Approx. (2.90 mm) Density Factor 8,842 Width 12' (3.66 m) Primary Backing 100% Synthetic Secondary Backing Power Lock® High Performance Backing Flammability Flooring Radiant Panel Test ASTM E-648 - Passes - Has an Average Critical Radiant Flux of Greater than .45 Watts per Square Centimeter. Class I. NBS Smoke Chamber (NFDA 258). Has a Maximum Specific Optical Density of 450 or less. CRI Indoor Air Quality Carpet Testing Program Passes - Certification No. 16654078