Which landscape retaining wall blocks are best? These solid landscape ... and whether or not a geogrid (soil reinforcement system) should be used. Joe Blakeborough (right) owns and operates ...

One of the easiest materials to use to build your retaining wall is ... a drainage system using coarse gravel and perforated drainage pipe, just behind the first layer of blocks.

These systems involve the insertion of small-diameter pins or ... or manufacturer to ensure proper design and installation. Certain segmental retaining wall blocks, especially those with a trapezoidal ...