SPECIFICATIONS (20 x 20 Modular carpet): Construction Tufted, Textured Loop Pile Face Fiber 100% Type 6 Nylon Gauge 1/10 (39.4/10 cm.) Finished Face Weight 20 oz./sq.yd. (678.1 g./sq.m.) Finished Pile Height 0.17 in. (4.37 mm.) avg. Nominal Total Thickness (6.5 mm.) Standard Backing PVC-Free Specifications subject to normal manufacturing tolerances and may be changed without prior notice. Copies of actual test results available upon request.