Base for shower, ready for the installation is also called prefab shower pan. The majority of prefab shower pans are square, rectangular or neo-angle constructions from acrylic and fiberglass. Steel and cast iron bases are used as well, but rarely. Although these bases support heavy weight of people the same way, acrylic and fiberglass units do it, some homeowners find them old-fashioned. Acrylic preformed shower pan has the longer lifespan and better durability than the base for shower from fiberglass.
Acrylic stuff is molded into various shapes including non-standard: the material is plastic while the process of manufacturing, but later it becomes firm. Molding fiberglass bases, manufactures add resin to this material. Bases for showers made from cheaper fiberglass save money for the buyer, but these pans get scratches and absorb dirt easily.
Acrylic bases owners pay for these products much more, but get resistant to scratches pans. Cracks in prefab shower pans for tile are got rare. The installation of all bases foresees installing a supporting layer for these units. It adds pans firmness and makes their lifespan longer. Some homeowners, saving money, avoid buying prefab pans and make bases from concrete and tiles. The choice of the pan type depends on the home-master skills and the family budget.