Retaining Walls Services Sydney https://www.jandtsmithstonemasons.com.au/retaining-walls.php At J&T Smith Stonemasons, we have installed several sandstone retaining walls over the years and understand the process well. Our team will ensure that your property has a strong sandstone block retaining wall that can handle extreme weather conditions and always keeps your lawn protected. As a retaining wall needs to support itself, high-quality material must be utilized in creating it. Sandstones are the perfect choice for the job. This is because they contain properties that can resist pressure from behind the wall.