Producing a high-end look at an affordable price, Dimensions Concrete Porcelain Wall and Floor Tile coordinates with many decor styles to create a modern aesthetic. These 12 in. x 24 in. rectangular tiles from Upscape Tile’s have an impervious water absorption rating, which makes them an excellent choice for showers in addition to countertops, walls and floors. Highly durable, marginally skid-resistant and easy to clean, Dimensions Concrete large-format tiles have a glazed, smooth finish with a low sheen and a light gray concrete appearance, infusing a contemporary vibe.