Diy Concrete Sleeper Retaining Wall . Our retaining walls are solid, sturdy, aesthetically pleasing to look at, and designed to withstand the test of time. If you’re working on a diy project, it’s preferable to use concrete sleepers as they tend to last longer, and they are also easier to build with. retaining wall services Retaining wall, Backyard retaining walls from www.pinterest.com.mx The ridgi system comprises reinforced concrete sleepers and strong, long lasting 60uc hot dipped We also supply concrete sleepers for commercial and civil. Prepare a 50mm deep footing for your wall using a sand and cement mortar mix.