Retaining walls Hunter Regions are often built to prevent slippage or erosion of soil, even to provide a level surface for construction. Concrete sleeper retaining walls is a popular alternative to timber sleeper walls. Concrete sleepers Hunter Regions are strong and durable and will never be eaten by termites or develop dry rot. Concrete Crib walls are gravity retaining walls built f... https://www.centralcoastretainingwalls.com.au/retaining-wall-hunter-regions.php