17050 Ontario Ashlar - Linear Cut Ashlar Block GrayLastic™Elastomeric Urethane - Up to 100 uses.Mold-bonded to 0.75" plywood. Add 1.125" to liner thickness. Max Depth: 1.50"Stone Size: 13-33" W 9-19" HGrout Width: 0.75" Part Size:90"W x 60" H Click here for cut-sheet