Amtico Xtra - Limestone 18 x 48 Limestone: 6.93 S/FT, covers 43.000 per S/FT, contains 1.000 per Box, measures 48.000 Inch long, 18.000 MM wide, 2.500 Inch thick, weighs 35.000 lbs, composed of Vinyl, has a Squares design, Smooth surface type, Beveled edge type, Square end type, has a 20 year warranty