If you're tired of paying fifty bucks for a plastic accordion that cracks after one season in the sun, it's probably time to tackle an rv sewer hose support diy project that actually lasts. Let's be honest, we've all been at that one campsite where the sewer hookup is uphill, or the ground is so uneven that your "stinky slinky" looks like a roller coaster. Without a solid support, gravity is working against you, and that's a battle you never want to lose when you're dumping your tanks.
Why bother building your own?
Most of the stuff you buy at the big RV supply stores is, frankly, a bit flimsy. They're made of lightweight plastic because they need to be portable, but that also means they're prone to blowing over in a stiff breeze or snapping if you accidentally step on them while reaching for the utility hookups. When you go the DIY route, you can make something that's way more rugged and fits your specific trailer setup perfectly.
Plus, it's just cheaper. You can head to any big-box home improvement store and find everything you need for under twenty dollars. Most of us have some scrap wood or leftover PVC laying around anyway, so why not put it to use? It's a fun Saturday morning project that saves you money for more important things—like gas or better snacks for the road.
The classic vinyl gutter hack
The most popular way to handle an rv sewer hose support diy is using a vinyl rain gutter. It sounds a little "redneck engineering," but it works incredibly well. Vinyl gutters are lightweight, they don't rust, and they're already shaped perfectly to cradle a standard 3-inch or 4-inch sewer hose.
To start, you'll want to grab a 10-foot section of vinyl gutter. You can usually find these in white or brown. I prefer the white because it doesn't get quite as hot in the sun, though it does show more dirt. You'll also want a hacksaw or a miter saw to cut it down to manageable lengths.
I usually recommend cutting the gutter into two 5-foot sections or maybe a 6-foot and a 4-foot piece. This gives you flexibility depending on how far you are from the dump hole. If you leave it as one 10-foot piece, it's a total pain to store and might be too long for many sites.
Smoothing the edges
Once you've cut your gutter, use some sandpaper to smooth out the edges. You don't want any sharp plastic burrs snagging your sewer hose. Those hoses are tougher than they look, but a tiny pinhole leak is enough to ruin your entire camping trip. A quick pass with some 120-grit sandpaper makes a huge difference.
Setting the slope
The trick with the gutter method is getting the height right. Some people just lay the gutter directly on the ground, which works if the ground is sloped toward the drain. But if it's flat, you need to create your own "fall." You can use some scrap 2x4 blocks to prop up the end near the RV.
If you want to get fancy, you can drill a couple of holes in the sides of the gutter and use some bungee cords to strap the hose down. This prevents the hose from "jumping" out of the gutter if there's a sudden rush of water when you open the black tank valve.
The PVC pipe "split" method
If you want something even more heavy-duty than a rain gutter, you can go with a large diameter PVC pipe. A 4-inch PVC pipe is sturdy enough to survive being run over by a truck (don't ask me how I know).
The process here is a bit more involved. You'll need to rip the PVC pipe down the middle lengthwise. This is easiest to do with a table saw, but you can do it with a circular saw if you're careful and have a way to secure the pipe. Once you've split it, you have two perfect U-shaped channels.
The great thing about the PVC method is that you can actually nest them. Since they're semi-circles, one can sit inside the other when you're traveling. It saves a ton of space in your pass-through storage or your bumper.
Dealing with uneven terrain
One of the biggest headaches at a campground is when you have to run your hose over a curb, a pile of rocks, or through a ditch. This is where a rigid DIY support really shines.
You can make "legs" for your gutter or PVC pipe using threaded rods or even just longer pieces of scrap wood. Some DIYers like to use those orange leveling blocks (the ones that look like giant Legos) to create a graduated staircase for their support. It's not the most elegant solution, but it's incredibly stable.
If you find yourself in a spot where the sewer inlet is actually higher than your RV outlet, you're in for a rough time. No support in the world can make water run uphill. In those cases, you'll have to do the "manual lift" method where you walk the hose to empty it, but having a rigid DIY support makes that process a lot less messy since the hose stays straight and doesn't have "bellies" full of waste.
Keeping it all together during travel
The biggest downside to an rv sewer hose support diy project is usually storage. Unlike the collapsible plastic ones you buy at the store, gutters and PVC pipes don't shrink down.
A clever trick many full-timers use is mounting a 5-inch square vinyl fence post sleeve under the frame of their RV. These fence posts are the perfect size to slide a vinyl gutter or a split PVC pipe inside. You can drill a few holes, bolt the post to your frame, and use a couple of pins or caps to keep everything secure. This keeps the "dirty" stuff outside of your main storage compartments and utilizes space that was otherwise just sitting there.
Safety and cleanliness tips
Let's talk about the gross part for a second. Even if you have the best support in the world, things can get messy. When you're building your support, try to avoid using materials that are porous. Untreated wood is okay for blocks, but I wouldn't use it for the actual cradle where the hose sits. Wood soaks up liquids (and smells), and you really don't want that sitting in your storage bay for two weeks in the summer heat.
Stick to plastics like PVC or vinyl. They're easy to spray down with a hose and a little bit of bleach or disinfectant. Every time you break down camp, give your DIY support a quick rinse before you tuck it away. Your nose will thank you later.
Is the DIY route right for you?
At the end of the day, an rv sewer hose support diy isn't just about saving a few bucks. It's about having gear that actually works for the way you camp. If you're a weekend warrior who only stays at perfectly paved RV resorts, a cheap store-bought support might be fine.
But if you like boondocking, staying at older state parks, or just want something that won't fall apart when the wind picks up, building your own is the way to go. It's a simple project, it's cheap, and it solves one of the most annoying parts of RV life. Plus, there's a certain pride that comes with looking at your setup and knowing you built it yourself rather than just clicking "buy now" on an app.
Grab some gutters, a saw, and a bit of sandpaper, and you'll have a setup that'll outlast your current rig. Just remember: keep it sloped, keep it clean, and always double-check your connections before you pull that handle!