This product has to be installed indoor with LTC GREY mortar adhesive. This product can be installed outside with MASON BOND mortar adhesive. Joints must be done with KING 1-1-6 mortar.
Height 2 to 8" Length 6 to 18" Thickness 1 to 2" Weight 13 lbs/sq Sf/Crate Random Qty/Crate Random