Discover how Thelen’s Double Diamond Bunker Sand rivals national brands like ProAngle in performance and consistency—delivering elite drainage, structure, and playability trusted by premier courses such as Erin Hills and top facilities across the Midwest.

Topdressing is one of the most effective ways to keep turf healthy, smooth, and resilient. By applying a thin layer of sand across greens or fields, turf managers improve drainage, reduce thatch, and create consistent playing surfaces that perform season after season. Learn how this essential maintenance practice supports stronger turf and better playability across golf courses and sports fields in the Midwest.