Not every floor needs stain—but sometimes stain is the best solution, not just a design choice. When Stain Is Necessary (Not Optional) There are cases where stain helps fix real problems, such as: Pet urine stains that have penetrated the wood Water damage or dark spots Sun fading that left uneven color In these cases, sanding alone may not make the floor look uniform. A stain helps blend discoloration and create a consistent look. When Stain Is a Design Choice Many homeowner