A tile shower is one of a few different types of finishes to enclose a shower with. Although an inexpensive option of completing the finish, floor , walls etc. with tile, but a fake alternative is Marlite or another way of saying man made marble or granite. There are manufacture’s that take your custom order and fabricate material’s of your color/design selection of choice. Also available are kits with this concept in mind that will install in most of the average tub /shower enclosure’s in the common house holds. Cultured products can be very appealing to the eye as well as the wallet. 
The advantage of these options are full pieces attached to the walls without consecutive grouting per a tile shower and all the subsequent squares of tile, piece by piece, installation process. Full back and side wall with seams only at the corners. Cutting the labor and materials used to 1/3-rd of a tile approach. When executed properly and installed correctly this type of alternative should be considered on any budget. If a diy tile shower becomes the proverbial light bulb, we think it’s paramount to bring choices to fruition!