Turn retaining walls or flat concrete walls into natural looking rock faces. Our concrete artificial rock work is perfect for retaining walls, privacy walls, fencing or facade renovations. It can be applied over new or old concrete, plywood, foam or drywall and most construction/masonry type boards. Wavestone rock is built using Glass Fiber Reinforced Concrete or Shotcrete. It can be applied as thin as ¾” with no limit to max thickness.