Glass shower screens are much classier and stylish than shower curtains, and in most cases, you don't have to worry about them breaking. However, to be on the safe side, you should understand the basics of these doors and how to avoid breakage. Here are some tips to help you. 1. Always Use Tempered Glass If you are building your own shower screen or hiring a contractor to make one for you, make sure that you use glass that has been designed for use in a shower screen.