HydraStone Specifications w 9.65” x 4.72” (full piece) w 4.72” x 4.72” (half piece) w 3.125” Thickness w 85 sq. ft. per pallet w 47.20”W x 36.96”D per pallet drop w 28 Full Stones & 7 Half Stones w Modified Herringbone Pattern w Mechanically Installed w 6.29% void spacing w 8,000 psi per ASTM standards w ADA Complian