UDECX 1 in. Shim Black (12-Pack)

The UDECX Patio Decking 11.4 in. x 11.4 in. Black 1 in. Shim is an UDECX patio deck accessory. The shim adds 1 in. of height to an UDECX pier. If the ground is not level, shims are used to level the system. The Shim is placed under the Pier during assembly.