Sandstone Retaining Walls, Sandstone ... - Gosford Quarries
Sandstone ballast are rougher, quarry-cut blocks in random sized squarish block shapes commonly utilised as borders, edging or the construction of retaining walls. Solid Ballast regularly features in Civil and residential projects. Sandstone ballast walling is often referred to as "ruble walling" or "dry-stacked walling".