Is your patio looking a little old and tired? Give it a new life with concrete stain! Staining concrete is a fast, simple way to transform a dull gray patio into a lively, colorful surface that makes your outdoor space more inviting. Concrete stain is very easy to apply; simply wet the concrete and spray on the stain. You can mix different colors and enhance the color depth by applying addition coats of stain. Water-based concrete stain will coat the concrete, so it’s always a good idea to ...