bathroom
First step: The most important thing to consider when planning an outdoor shower is the location. You want it to be somewhere that gets direct sun, not only because it makes the act of showering more pleasant, but because it’ll keep the shower walls and floor drier — and that’s critical to preventing rot and scum. For that same reason, don’t place the shower under a roof overhang or tree (which could also cause debris to accumulate on the shower floor). The other big consideration is privacy. Locate the shower away from probing eyes or add an enclosure that assures privacy (but maintains air circulation). If your house is two stories or is flanked by windows that could look down onto the shower, consider a louvered roof that prevents views in but still allows views out.
The shower needs to drain into either the home’s graywater system or a French drain, consisting of a large pit filled with several feet of gravel that filters the water as it returns to the soil. (Expect to replace the gravel every five or six years.) Needless to say, you want to direct the drainage away from the foundation and basement, and if you plan to use soap in the shower, away from plants as well. If possible, situate the shower to take advantage of the site’s attributes, such as views or rock outcrops. “If there are natural amenities as part of the site, that’s all the more fun you can have with it,”
Q