Acid Stained Driveway & Walkway Acid stained driveway and walkway. The colors are Kemiko Vintage umber stain. The accent color is Westcoats Water-Based Mahogany Stain. Boarders stained using Proline charcoal. Sealed with ChemMasters traz-25. PrevNext ← Chiseled Concrete Countertop Metallic Epoxy Showroom Floor →