At FIRM Foundation Repair, our retaining walls are built to last. A concrete block retaining wall is a structure made out of concrete blocks that come in an assortment of block heights, depths, face styles, and colors to satisfy virtually any structural or aesthetic requirement. They are installed on a compressed gravel foundation and use steel anchors to assist in the engineering of the wall. This kind of wall is always installed with a drainage system behind the wall to ensure water does not collect behind the wall causing it to lean and fail.
Railroad ties are a more economical construction material for a retaining wall. This type of wall typically has about a 20 year lifespan and can be installed a couple of different ways.
Poured concrete retaining walls are built with a reinforced footing which must be poured first in proportion to its thickness and height. When lateral earth pressure is a concern, as it is in lower laying or
moisture rich areas, poured concrete walls do a great job controlling erosion. This type of wall must be built with a drainage system behind it to ensure water does not collect behind the wall causing it to lean and fail.