The perils of painting a concrete porch that's never been painted .May 14, 2018 . But etching products work only if the concrete is clean and not already coated. . A one-pound box of powdered TSP is just $3.96 at Home Depot and . over previously sealed concrete, provided you clean the floor, scuff-sand.how to wash sand at home for concrete,how to wash sand at home for concrete,Concrete Sand – P&CG – Power & Construction Group, Inc.Concrete Sand and most mortar sands are washed sand products, meaning the dirt in them has been washed away, so anything that you need clean, graded.
how to wash sand at home for concrete