Glass tile can cost as much as or more than other durable tile types. When choosing the right tile for you, knowing the advantages and disadvantages of each can help you make an informed decision. The pros and cons of glass tile include:

Pros

• Light-reflecting to add brightness

• Waterproof and mold-resistant

• Made from recyclable materials 

Cons

• High cost compared to similar and more durable materials

• Usually requires professional installation

• More easily scratched compared to materials like ceramic and porcelain

Updating your backsplash without removing the tile is possible in a couple of different ways. First, you can remove the old grout and replace it with new grout to give your backsplash a fresh look. You can also change the grout color, which can have a surprisingly large impact on the final appearance of the backsplash. Finally, you can paint the original tile to totally change the look of the backsplash without removing it.

Yes, you can tile over existing shower tiles, but it's better to remove the old tiles first for the best results. Tiling over existing tiles requires a clean, level surface and proper adhesion. If the old tiles are in good condition, you can roughen the surface to improve adhesion. However, removing the old tiles ensures a smoother, longer-lasting finish and prevents potential issues down the line.

Most professional shower tile installations take between six and eight hours, depending on the size and complexity. Most projects get completed in a single workday. DIY-ing the project takes around three to four days or roughly 16 hours. However, this will vary based on the skill level of the person completing the work.