Showers may be built-in or prefabricated. ... Prefabricated showers are made from fiberglass-reinforced acrylic or fiberglass and come in a wide range of colors and styles. Some are made as single, one-piece units that are installed during construction; others as modular units consisting of a base and three walls.

How do showers work?

So here's how the shower valve works: you turn the trim, which pulls water from your water source. Cold water goes straight to the cold pipe, while hot water makes a stop in the water heater first. Water from both pipes meets at the shower valve, which mixes it together and sends it to the shower head or tub spout.

What materials are used to make a shower?