SIENASTONE – UNILOCK
Often used as a heavy-duty retaining wall, this bold wall block is often used as a retaining wall. With a textured face that adds an extra rustic look to all areas. Designed for heavy duty retaining walls along with wall treads. Natural gravity walls built up to 10ft (3m), when proper engineering and grid reinforced walls can be built up to 40ft (12m). Coping and modified corner units available.
NOTE: Sierra and Nevada products are subject to special order.