A bathroom backsplash is an important part of your bathroom. Tile is moisture resistant and protects the walls and the foundation of the home from damage due to steam, dripping water, or a flooded bathtub. The backsplash protects the wall behind the counter top in the bathroom sink area. Decorative tile borders can be designed to complement the tile work in the rest of the bathroom. Often, homeowners will choose a different, but coordinating tile pattern in smaller pieces, for added interest and detail.