A dimpled membrane for the basement floor is a durable waterproofing solution designed to protect against moisture infiltration and promote effective drainage. Made from high-density polyethylene (HDPE), the dimpled design creates an air gap that allows water to flow beneath the floor surface, preventing dampness and mold. Ideal for new builds and basement renovations, this membrane e... https://www.greentekplast.com/dimple-sheet.html