Retainer WallsConstructed out of either treated pine or more commonly chop rock. Depending on height, size, etc. sometimes a french drain is needed to prevent back pressure. A very common application is along ditches, bayous, and around ends of culverts. Retaining Wall Gallery Belgard Diamond Pro Retainer wall Belgard Diamond Pro Retainer wall Stone wall and terracing Oklahoma chop rock bulkhead Oklahoma chop rock bulkhead/retainer wall Oklahoma chop rock bulkhead/retainer wall Paver wall block with cap Oklahoma chop rock culvert bulkheads.
