Over the years, Outback Sleepers Australia has expanded its service to the greater Adelaide Metropolitan, regions in South Australia and as well as in Melbourne & Sydney. During this time, we’ve partnered with various trusted distributors across the region to make buying our retaining wall sleepers easy & convenient. Want to know which distributor is nearest you; check out our stock list search tool here. If you need help in assembling and installing your Adelaide retaining walls, just ask us and we can recommend a skilled team of professionals to install your retaining wall for you.