A stackable retaining wall is a landscaping element made from stackable objects, such as bricks, concrete blocks or stones. Stackable retaining walls reduce soil erosion and add visual interest to the landscape.Continue Reading
Interlocking concrete blocks are a popular choice for stackable retaining walls. They come in a variety of sizes, shapes and colors and have decorative front faces. The blocks don't require bonding with mortar, cement or adhesive.
Stackable retaining walls under 4 feet in height typically don't require building permits, according to Today's Homeowner. In addition to a permit, higher walls often require extra structural support and benefit from professional installation.Learn more about Building Materials