The answer to 'when to replace shower' is that you should typically replace your shower every 15-20 years, or sooner if you notice significant wear and tear. Over time, the materials and components in a shower can become damaged or outdated, leading to leaks, mold, and other issues. Signs it's time to replace your shower include cracked tiles or grout, poor water pressure, difficulty cleaning, and visible signs of aging or discoloration.
Replacing your shower is an investment, but it can improve the look, function, and safety of your bathroom. When it's time, you'll want to work with a professional plumber to ensure the new shower is properly installed and up to code. They can also help you choose the right materials and design to meet your needs and budget.