Top dressing is the process of spreading sand or soil over the lawn to improve levels, create a smoother surface for mowing, and assist slightly with drainage. So, should you use sand How to top dress your lawn using 70 30 Sand Soil Mix The Relentless Gardener The right sand for top dressing!! , Its really unhelpful that a lot of garden supply places seem to have different names for the same product which is why I always recommend going and checking it High Quality Top Dressing Sands CORRIDOR SANDS