Cross section of a wooden retaining wall. Wooden frame built from treated lumber, set on stone/gravel, and the back & bottom of frame is wrapped with weather proof material. Cheaper & lighter than stone wall
Lay perforated drainage tubing at base Water-soaked soil is the worst enemy of retaining walls because it exerts enormous pressure behind the wall. Adding good drainage behind block or stone walls is crucial for long-lasting, bulge-free walls.
Pressure-treated lumber laid on a bed of gravel gives you a fast, easy foundation that will last for decades, fill the wood foundation with gravel and lay cement pavers, just like for a paver patio. A paver floor allows water to drain through