Renovating a bathroom is a balancing act

It's not just about picking tiles that look good together. You're coordinating waterproofing with hardware, floor transitions with door operation, and trying to hit a budget without cutting corners that will cost you later.

I'm a general contractor handling renovation orders for about eight years now. I've personally made (and documented) a handful of significant mistakes, totaling roughly $3,400 in wasted budget between materials and labor. That's not counting the embarrassment of explaining to a client why their new shower niche is now a shelf for a different shower niche.

Back in September 2022, I had a bathroom project that should have been straightforward. Master bath refresh: new Mannington waterproof flooring, a glass shower enclosure, and swapping a swing door for a pocket door to gain floor space. Simple, right? Turned out I learned the hard way that the order of operations matters way more than I assumed.

TL;DR: Don't install anything near the shower until the niche is framed in. And pre-fit your pocket door hardware before you cut the flooring to fit the track. I learned both of these the expensive way.

The shower niche fiasco

On that project, the homeowner wanted a tile niche in the shower wall — you know, the built-in shelf for shampoo bottles. They picked a model from a local supplier. I'd ordered and installed them before, no big deal.

I assumed that as long as the rough-in opening matched the dimensions on the box, we were good. Didn't verify the actual waterproofing flange depth against the stud cavity depth. Turned out the flange on this particular niche was a half-inch deeper than the one I usually install.

We'd already laid the Mannington waterproof flooring (their Adura Max LVT — pretty stuff, and honestly, the waterproof claim held up fine). The problem was, the niche flange didn't sit flush with the tile backer board. It stuck out. That meant the tile couldn't lie flat around the edges. We had to rip out the backer board on one side, sister in an extra 2x4 to build out the wall, then re-tile and re-grout that entire section.

That mistake cost roughly $320 in extra materials, 6 hours of labor I couldn't bill for, and a 3-day delay because we had to wait for the new backer board to dry-in before tiling. The client was understanding (thankfully), but I was furious at myself.

What most people don't realize is that niche flange depth isn't standardized. Some are designed for 2x4 stud walls (about 3.5 inches deep), others assume a 2x6 wall. Always, always check the exact product specs against your wall assembly before you start tiling or waterproofing. I now keep a simple checklist: measure stud depth, measure flange depth, subtract for backer board and tile thickness. If it doesn't fit, build out the wall first.

The pocket door hardware nightmare

Pocket door hardware was on the list too. The homeowner wanted a smooth, quiet sliding system. I ordered a decent mid-range kit — nothing fancy, but not the cheapest big-box option either.

People assume installing pocket door hardware is straightforward: frame the opening, hang the track, install the door. The reality is the floor track (or bottom guide) has to be dead-level with the finished floor surface. If the floor isn't perfectly flat — and it rarely is — the door binds or scrapes.

I'd already installed the Mannington sheet vinyl floor. It went down beautifully, looked great. But when I went to install the bottom track for the pocket door, I found a slight dip in the floor right where the track needed to sit. It was maybe 1/16 of an inch. No big deal, I thought. I'll just shim it.

Here's something vendors won't tell you: many pocket door bottom tracks are designed to be embedded into the floor, not shimmed up from it. Shimming can break the plastic track guides or create a trip hazard. I learned this after installing the track, hanging the door, and finding that it scraped loudly every time it passed over the dip. The track itself was slightly warped from the shim pressure.

Had to pull up a section of the vinyl floor (which Mannington claims can be replaced in sections — it can, but it's not always seamless) to fix the subfloor flatness issue beneath it. Then reinstall the track on a perfectly flat surface. That error cost about $150 for the wasted track kit and another $200 in labor. Plus, I had to eat the cost of the extra vinyl material because the cut piece wasn't quite salvageable.

Now, on any project with pocket doors, I do the hardware install right after the subfloor is prepped but before the finished floor goes down. Install the track on the bare subfloor, check for flatness, and fix any dips first. Then lay the flooring around the track. It's an extra step but saves a world of pain.

So, what's the approach?

There's no single right way to sequence a bathroom reno — it depends on your specific products and layout. But here's the general framework I use now:

Scenario A: You're using prefab niche + non-standard pocket door hardware

If you have a niche with a deep flange and a pocket door with a floor track, take the time to dry-fit the niche frame and the track over your subfloor before installing any flooring or backer board. Check flange depth against stud depth. Check floor flatness. This can save a ton of hassle.

Scenario B: You're using custom-built niche + linear floor drain

In this case, the niche is built from the same tile as the shower walls, so flange depth isn't an issue. But the linear drain can affect the subfloor slope. Install the drain body first. Level it. Then build the niche. The floor drain's position dictates the tile layout more than the niche does.

Scenario C: You're using wall-mounted fixtures + standard swing door (no pocket door)

If you avoid pocket doors entirely, the floor track issue goes away. But wall-mounted faucets or handheld sprayers require in-wall mounting blocks. Install those blocks before any tiling. Know exactly where the shower head and controls will be. The niche placement is less critical here, but still think about bottle height relative to the seat or curb.

How to figure out your scenario

Walk through the room with a tape measure and a level. Ask yourself:

• Is my shower niche prefab or custom-built? Prefab means check flange depth. Custom-built means focus on drain location.
• Do I have a pocket door? If yes, do I know the exact floor track requirements? If no, ignore that part.
• Where are the wall-mounted fixtures? Those blocks need to be roughed in before anything else.
• What's my waterproofing plan? Liquid membrane? Sheet membrane? That affects how you seal around the niche flange.

The answer isn't always obvious. But by breaking it down into these three scenarios, you can avoid the kind of cascading screw-ups I made.

And seriously — don't install anything near the shower until you've dry-fit the niche. And pre-fit the pocket door track on the subfloor, not the finished floor. I promise you, those two mistakes alone can cost you more than the entire flooring budget.