Cascade Walnut Rigid Core – Carbon Gray A6108 Back to Armstrong Essentials BrandArmstrongCollectionEssentials Design and ColorCascade Walnut, Carbon Gray Square Footage18.8 sq ft / cartonPlank Size5.67” X 47.76″ Total Product Thickness5 mmTotal Wear Layer12 milWarranty30 year residential, 7 year commercialInstallationLocking InstallationGradeAny GradeProduct Highlights100% waterproof product and attached underlayment