>   add the perfect finishing touch to your keystone wall project with keystone Capstones. Keystone Capstone are peaked column caps that have the natural beauty and durability of cut stone, without the heaviness or high cost. keystone Capstones deliver the same ridges, clefting and authentic textures of granite, limestone or flagstone. The 24"*24"keystone Capstone cap fits over the 20:*20" keystone Country Manor Column, masking the top of wall joints and leaving a clean finished look.Keystone Capstones can also be utilized with other columns of a comparable size. COLORS     INSTALLATION     Make sure the column top is dry and free of dust or other debris. Take this opportunity to confirm that the column is square and level. Turn the Keystone CapStone upside down and apply comparable construction adhesive to the square recessed area on the underside of the cap. Apply the adhesive in a 1/4 inch bead, making sure that the bead will make good contact with each unit in the top course of the column. Holding the Keystone CapStone upright, place the cap on the column. Twist the cap back and forth slightly to insure a good adhesive bond. Measure for square and center on the column. Check for visible adhesive. Follow the directions on the adhesive packaging for clean up and drying time