How to design the basement bathroom for reliable flushing

basement bathroom design ideas

Basement bathroom design ideas are just a bunch of, well, crap if you spend too much time designing what a bathroom looks like not enough time designing what it does.

How would you like to spend thousands on a basement bathroom remodel and then live knowing you’re one flushed baby wipe (or tampon or condom or other thing we flush but don’t often say out loud) away from an expensive—and did I mention 12 on the Richter Scale of disgusting—service call?

No pun intended, bathrooms are under a lot of pressure. They have to be everything from retreat to utilitarian in the same breath. And they have to meet the needs of when you ‘need to go’ without anyone noticing just how much work they really do. A tall order.

basement bathroom design ideas
Basement bathroom design ideas start with how the room does what it does. We used SaniFlo’s Sanicubic1 sewage ejector pump to be SURE it does what it does.

And the order gets taller when it comes to basement bathrooms where what you eject down into the toilet then needs to move where it doesn’t want to go—up.

Yes, I’ll explain.

Yummy.

This part of basement bathroom design starts with a sewage ejection pump. And you want one that’s not a service call waiting to happen. It needs to be more than that. it needs to be—on our projects—something on the order of a work of art like the Saniflo Sanicubic1 we installed. Yes, work of art. Here we go…

Space.

Most units I’ve used are large, requiring a huge pit dug in the basement floor. Then, they’re so big, a closet or room must be framed and finished around them. Since Theresa and I mostly improve old homes, our basement bathroom design ideas also have to make the best use of space known to humanity. Seriously, it’s like a camper or the International Space Station on one of our builds.

Operation.

Some ejector pumps are more like a sump pump—they sit in a huge basin, wait to fill up with yuck, then use a pump that grinds (or just ejects without grinding) and spits out fluids and solids into the soil line. These units are what we’ll call ‘cloggable’.

My own plumber says to me—while installing a cloggable unit a few years ago: Flush a baby wipe down here it’ll probably clog the unit. Getting it out is ‘the worst job in plumbing’. What?! That’s one overnight guest away from Soup d’Disgusting.

Put another way: The money you might save on the front end buying a cheaper unit will almost surely be spent on a hyper-rancid service call. His words, not mine. Do you really want to be teetering on the edge of that crap pile? Literally.

Design.

So how do our basement bathroom design ideas turn into reality? We make the best possible use of space from framing right through finish. It all starts with smart, sensible layout and using—even double-using—spaces.

In this basement bathroom, we max out the space—and the budget—for ejecting our poop and pee with a unit I’m falling in love with, that hits a balance point between the high-end grinders and low-end suckers in a small, powerful, affordable package: SaniFlo Sanicubic1.

Grinder.

First, it’s small. I installed it under the stairs. I dug a pit for it—and I’m glad I did—to serve two purposes: Water rolls downhill and I can use the space above the pit as storage without compromising the unit. And the unit itself is a single piece. No giant basin (essentially a trash can) and separate pump unit. It’s about as big as a case of beer.

Also, the Saniflo is a grinder-type pump. What does this mean? It chews up the solids that flow down the drain to make them liquid and the pump is powerful enough to move them 36-feet up and over 300 feet horizontally! So you can easily use this if you want to add a bathroom somewhere else, like a bonus room over a garage.

What’s so great about this grinder?

Unlike lower end units that I feel are a one backed-up toilet away from having to replace it, the Sanicubic1 can handle the occasional baby wipe, tampon, condom and all the other things we don’t often say out loud but do flush down the toilet—you know somebody’s going to send something down the drain sooner or later.

This beautiful little box has a commercial rating and performance without the commercial price tag, striking the balance we need to create with what everyone wants out of basement bathroom design ideas—a space that looks beautiful and works without a second thought.

Which means I can sleep at night without worrying.

http://myfixituplife.com/DIY/small-bathroom-makeover-mom/
We put our Saniflo in a pit beneath the floor. In an old house with a thin floor slab like we had on this job digging the hole is easier than you may think and it is super worth the work.
Basement bathroom design ideas
The pit for the Sanicubic1 easily fit under the basement stairs. Just a few train loads of dirt came out according to the conductor.
Saniflo Basement bathroom design dieas
We rough-fit the Saniflo Sanicubic 1 (see next photo) to line up with the in-floor plumbing. Install was easy.
Saniflo basement bathroom design ideas
While the Saniflo can be installed above the floor, whatever flows into it has to be above it. To maximize space and make the job easier, we put it in the floor, beneath the in-floor plumbing. The inspector approves.
Basement bathroom design ideas
Saniflo’s Sanicubic1 sewage ejection pump is a work of art. Yes, that’s right. Small, powerful, and unobtrusively tied in (the PVC pipes are vents that are easily hidden in a shower wall) to the design. Absolutely NOT the case with other pumps I’ve used.

About the Author

Mark Clement, MyFixitUpLife
Mark Clement, MyFixitUpLife Carpenter

Comments (2)

Good idea. You’re going to need access to the sewer main coming out of your house. So, where I’d start is figuring out the path between the new garage bathroom and the pipe that brings your home’s sewage to the municipal sewer.

I would like to install a compact sewage pump in the crawl space to serve the detached garage that has been switched to living space.

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