The DaiHard Max Industrial Strength Epoxy Floor Coating Kit provides a gray gloss finish to interior concrete floors. According to the manufacturer, the one-coat coverage creates a high-performance surface that is resistant to chemicals and daily wear as well as stains, cracking, fading, peeling, blistering, and mold and mildew. The coating can be used to cover bare floors or smooth over previously coated ones. The low-VOC, waterproof kit covers 250 square feet and retails for under $130.