Retaining Walls

There are a number of different types of retaining walls, such as concrete, interlocking, wooden, steel, stone, vinyl, and insulated concrete form. The retaining walls hold back soil or rock from a building in order to prevent erosion, downward sloping movement, or to support a vertical grade. They are also use as a decorative feature in landscaping, to section off a garden, play area, or barbeque pit.