subject: Facts about Frameless Showers [print this page] You can either install the walk in shower on the floor of the wet room or can have it installed on a shower tray. If you plan to install the shower in a wet room, make sure you contact a professional because while installing there are different factors to be taken into consideration such as tanking, sloping, etc.When narrowing down on the walk in shower idea or installing bathroom walk in showers, make sure you consider the type of flooring and drainage.