Create a smooth finish after installing Adbri Masonry’s Natural Impressions Duostone Retaining Wall with this specially matched retaining wall cap. Featuring a brick-like design, the Duostone block system adds a modern touch to any backyard or patio. Available in shades of Ash and Graphite, these retaining wall caps feature a smoothed down look to give your backyard a more contemporary edge. They are easy to install and versatile enough to use as garden edging as well.