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One thing that's kind of silly about most of our shower stall designs is their open-top design. While a few are sold with caps most are not. Having a cap on top of the shower allows for lower ambient temperatures in the bathroom while showering in (relative) comfort. This also has the benefit of reducing condensation on the ceiling and walls of the bathroom.

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Probably because moisture is a much bigger problem in homes than heat or cold. If the shower stall were closed on top, when the door was closed, the moisture would sit in the shower and not evaporate. That can lead to mold problems.

It's much easier to deal with moisture when it's largely restricted to the interior of the shower! Easy to wipe down the sides and then leave the door open to allow the remaining moisture to evaporate. Seems superior to having the water vapours condensing on ceilings and walls in the bathroom that likely can't be wiped down.

You can also just have a small shower room, with a separate door, it's about equivalent. You see this in many houses where the sink vs shower & toliet are two separate 'rooms' connected to each other.

Yeah I never got why this is the standard. Glad I’m not the only one

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