Disappearing Shower

Disappearing Shower

If there’s one thing we can all agree on, it’s that showers are pretty fantastic. The ability to control an unlimited cascade of clean hot (usually) water to cleanse your body, for minimal cost and with basically no mess. What’s not to like? Most people make a habit of utilizing this modern luxury every day. For those of us that live in vans, however, the story is a little different. We revert back to sometime pre-1900’s (probably, I didn’t research the history of showering) where bathing was considered necessary, but still a luxury. Something to be enjoyed on the rare occasion when the facilities were available. And there’s nothing wrong with this. Having lived in a van for two years, including a four week hike and a five week stint on a sailboat where I showered a total of three times, I can confidently say that showering every day is overrated.

One can easily go three days, possibly even up to six, without showering, and notice minimal offensive odors or other detrimental symptoms. Especially if the tried and true hygiene methods of wet wipes, bandana sponge-baths, and old fashioned creek rinse offs are employed.

But when I started vanlife in my Sprinter, I was convinced that showers were quite important. And indeed, I still believe this, just to a lesser extent. I’m certain I could live without a shower in my van, but when it’s the middle of winter and you’ve been working up a sweat on the mountain for three days straight in the same clothes, being able to take a hot shower in the comfort of your van home is downright incredible.

Shower pan, during buildout when everything was so fresh and so clean

Since I was set on the 144” Sprinter, I spent a fair amount of time looking at other people’s designs to optimize space usage. I wanted to include all the amenities in my new home on wheels – bed, interior bike storage, kitchen, heat, toilet, shower, and plenty of gear storage. Items that do double duty, features that disappear when not in use, and space that can be used for multiple purposes are all key. Somewhere along the way I saw a shower that was built into the open space adjacent to the sliding door – aka front door – and I was sold. This is a space that stays open in virtually all layouts, so building a shower into it takes up basically zero real estate. I’ve seen similar concepts in a couple other vans, but can’t believe it isn’t utilized more often.

The main features that enable this open space to be used as a shower are a ceiling mounted track and curtain that pulls around 360 degrees, and a shallow pan recessed into the floor. I use a standard Moen mixing valve, and a low flow Oxygenics shower head, both mounted from the ceiling along the sliding door.

Ceiling mounted track and fixtures

The track I used is the RECMAR Bendable I Beam Track, which I was able to just bend by hand. It mounts to the ceiling on three sides, and sits lower under the shower fixtures on the fourth side along the sliding door. My shower measures 29″ x 36″, which is quite large. You could definitely get away with a much smaller pan, especially if you make the top (the track and curtain area) larger than the base. My track adds up to 130″ of length for the curtain to cover, which is larger than a standard curtain. To get around this, my curtain is actually three separate pieces sewn together. I use a velcro piece at the top to keep it closed while in use, although the seam between the two ends does tend to separate. Additional velcro or magnets attached to the two ends would be a good way to keep this seam together.

Velcro straps keep the curtain out of the way when not is use

To collect the water, I designed a welded sheet metal shower pan that sits flush with the rest of my finished floor. This pan is only about an inch deep, and sits on top of the factory metal floor. Inside this pan, I built up a false subfloor out of waterproof PVC trim material, and have my waterproof vinyl flooring adhered directly on top of this. There is a small gap between the false subfloor and edge of the pan. When I shower, I take some flat PVC pieces (cut to size from a sheet like this) and slot them into the gap so that they stand up and form a sort of shower curb about 6 inches high. The curb keeps the curtain and water contained inside the pan (mostly).

The bottom of the false subfloor, and the (constantly dirty) pan

PVC pieces inserted to form a curb

That entire false subfloor assembly stays in the pan all the time, and has drain holes which allow the water to pass through into the pan below. The PVC pieces conveniently have preformed grooves which run lengthwise. These allow the water to drain toward the low point of the pan, which is sloped toward the sliding door. As an alternative to this design, the false floor could just be totally removed when showering.

While I did make my pan with a slight slope toward the door, I’ve decided this isn’t really necessary. Whenever I’m going to shower, I make sure that I’m parked so that the sliding door / sump are slightly downhill (I have a small RV level mounted in the van for this purpose). Since I do this anyway, the pan could be made with a flat bottom, which would simplify installation.

The Sprinter and Transit (sorry Promaster folks) conveniently have an entry step which is lower than the rest of the floor. The pan overhangs down into this step, which is where the collected water drains. I have a flexible hose connected to the pan which drains into a small sump I made out of an old plastic kerosene container. The sump houses a Seaflow marine bilge pump, which pumps the used water through another flexible hose into my gray tank located on the other side of the van. I use an inline check valve in this hose to ensure water doesn’t drain back into the sump.

DIY sump located in the step area (the submersible bilge pump is inside this sump)

After spending way too much time making this sump assembly, I later found that there’s already a product that is basically made for this, and is even the right size to fit in the Sprinter’s step area (if you cut the tabs off)! Definitely just use that.

Hot water comes from my Webasto Dual Top EVO 6, which is a diesel-powered combined air and water heater. For more information on this setup, check out my Webasto Dual Top installation writeup. I have a fixed fresh tank and grey tank, which are both inside the heated area of the van so that the water can be used year round. A Flojet variable speed pump supplies about 40 psi of pressure, so the shower operates and feels basically the same as one in a house.

Fresh tank and water pump, during buildout

This isn’t my only shower, I have an outdoor handheld shower as well (based on this valve) which is accessible through the back doors. I’ve probably used the outside shower less than five times though. It’s just rare that I’m in a secluded enough spot for it to be practical (and who showers in a swimsuit?). Plus, you don’t really need to shower when you’re out in the middle of the woods.

Rear outdoor shower

Van shower FAQs

Q: How well does this setup work?

A: Pretty well, considering you’re showering in a van. There are a few downsides listed below, but overall I’m pretty happy with it.

Q: How much water do you use?

A: As little as I can manage, which I’d guess is about 5 gallons per shower. I’m almost always “off grid” so it’s important for me to conserve water. I take military showers where I only turn the water on briefly when I need it.

Q: Would you use this system again?

A: Yes, absolutely.

Q: How do I get a shower pan like that?

A: That’s the tricky part. If there’s enough interest I’ll have a batch of them made up. They’ll probably be a few hundred bucks each though. Email or DM me if you’re interested. Or if you can weld, you can probably make it yourself (and aren’t asking this question). I can also sell you the drawings and you can find a local fab shop to make one.

Q: How much water do you carry?

A: My fresh tank is 34 gallons, and my grey tank is 20 gallons. That lasts easily a week with one shower. This seems to be about the right ratio, as my grey tank usually fills up around the same time I run low on fresh water.

Q: Where do you fill up / dump your water?

A: Any place I can, and whenever it’s available. Truth be told, this is one of my biggest vanlife pains. There are usually dump stations around, but you often have to pay for them and they only have fresh water maybe a third of the time. I’ve filled up at friend’s houses, gas stations, parks, campgrounds, and basically anywhere I see a spigot and trust that it’s potable water.

Q: Why do you catch your grey water instead of draining directly outside?

A: I ask myself that question too. It’s really nice to be able to use my plumbing in a city though and not be indiscriminately dumping water all over the place. I generally only use biodegradable products, but still feel better draining my water at a dump station than directly on the ground. I’d make the same decision to catch the grey water if I did it again.

The downsides

  • It takes a few minutes to get set up to shower. But you’re in a van, so this probably isn’t a big deal.
  • When you get done showering, you have a bunch of wet stuff right in the middle of the van which needs to dry. I use an extra towel to dry the floor and plastic curb pieces, but have to let the curtain hang open for a while to dry.
  • Since there are gaps in the false floor, dirt tends to collect in the pan. I make a point of sweeping the pan out before I shower so this junk doesn’t get washed into the sump.
  • Sometimes the bilge pump is dry and won’t prime itself. This is actually really annoying, as I have to get out of the shower, open the cabinet where the exit hose runs, and squeeze it a few times to help it prime itself. Not sure what the fix is for this one, maybe a higher quality pump?
  • The sump sits down in the step area, where there isn’t much insulation or heat. In the winter, it can freeze, which makes the shower unusable. I thought about running a small heat duct to that area or maybe putting a 12V heating pad on it, but ended up just getting some RV antifreeze (for water lines) that I dump into the pan in the winter after showering. Seems to do the trick.

The takeaway

You definitely don’t need a shower in your van, but it’s a really nice luxury to have. If you’re trying to conserve space (you should be), this is a great way to do so. It’s a bit complicated, but so are a lot of aspects of building out a van. Let me know in the comments if you have additional questions and I’ll do my best to help out!

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