Johns Manville 0.47 in x 36 in x 60 in GOBOARD; Polyisocyanurate Backer Board 49 inch Vanity Top 49 Width Measurement 5 in Length '304669309 49 Width Measurement 5 in Length Measurement 60 in Actual Thickness (Millimeters) 6 Thickness Measurement 6 mm Wear Layer Thickness (Mils) 20 Wear Layer (Mils) 20 Wear Layer Durability Commercial traffic (20 and above mils) Edge Type Beveled Textured Yes Floating Yes Installation Type Interlocking Luxury Vinyl Plank Yes Pieces per Carton 10 Square Footage Per Carton (Sq Eco friendly Fall height rating Tested and cleared up to 7 ft (ASTM) Frequently Asked Questions (FAQ): Series Name GOBOARD® Material Polyisocyanurate Common Measurement (W x L) 3 ft x 5 ft Common Thickness in Inches 1 2 in Actual Length (Inches) 60 Actual Width (Inches) 36 Actual Thickness (Inches) 0 9 Compliant Yes Warranty None CA Residents: Prop 65 Warning(s) No For Use with Bathroom Walls No For Use with Fireplace Exteriors No For Use with Garage Walls No For Use with Kitchen Counters No For Use with Pools No For Use with Shower Floors No For Use with Garage Floors No UNSPSC 30161500 Water Protection Waterproof For Use with Kitchen Backsplashes Yes For Use with Bathroom Floors No For Use with Shower Walls Yes For Use with Patios No For Use with Vinyl Floors No