How do I tile a shower?

If you are asking how do you put tiles on fiberglass shower walls, sorry, but the answer is No, it can not be done.

Emily, this relies the tile you want to acheive. If you are not fussy, you avoid ceramics and grout and just go for: The Look. The Look is achieved by Vinyl tile, cut in 9 or 16 pieces to place these on Sheet Masonite or 2ply Wood, then Spray or coat on some FlexSeal Clear as a Waterproofing Agent. You Glue and Screw that to the wall like a Piece of Paneling when done.

https://www.familyhandyman.com/tiling/tile-installation/how-to-tile-a-shower/view-all/

After watching a professional put new tile in my bathtub/ shower, my advice is to call a professional! It is truly a craft and involves cutting a lot of tiles, fitting it around all the fixtures and soap window.

I had him take the time to the ceiling and used no "bull-noses" along the sides which saved the money for the extra height.

I do a lot of home improvements myself but I now know not to try this type and size project. I was truly in awe seeing how perfect each tile was placed. I