From durable and affordable to sleek and luxurious, choosing the best material for a shower tray can be a complex decision. Not long ago, builders had only a couple of reliable options, such as tiled-in concrete bases and enamel-coated cast-iron shower pans. Given the potential for water damage, it doesn't always pay to buy the cheapest shower tray. Whether you have an alcove shower or a corner shower, standard dimensions for shower pans can limit your choices. With so many choices on the market, here's a look at the best shower tray materials to consider for your bathroom.