Renovation Mistakes, Gensler Size, and a Leaky Shower Head: FAQ From Someone Who Learned the Hard Way

These are the questions people actually ask me before a remodel, after a leak shows up, and sometimes two hours into a project when everything has gone sideways. I've been on the design side for eight years, and I've made enough expensive mistakes to build a small library of 'don't do this' notes. Here are the ones that come up most often.

Is Gensler's company size a problem for residential work?

It's a fair worry. Gensler is a global firm — roughly 3,000-plus people across 50-plus offices, according to Gensler's own website (gensler.com, accessed 2025). That sounds like a firm that only does airport terminals and corporate towers. In practice, the size means there's a specialist for almost every building type, including housing and adaptive reuse. What matters is the team you actually work with. Ask who runs the project day to day and how often the senior people check in.

On the other hand, a big firm's process can feel heavy if you're used to a lone architect. There are reviews, coordination memos, more reviews. That's not a red flag; it's how they keep quality consistent. The way I see it, a big company is like a large tile supply: more options, but you still need someone who knows which piece fits your wall.

What's the Pearl House Gensler project about?

Most people searching that phrase mean Pearl House in London, an office-to-residential conversion Gensler worked on. The short version: they re-planned an old office building so the floor plates could work as apartments instead of cubicle farms. That meant redesigning everything from how natural light reaches deep floor plates to where the bathroom plumbing could realistically go.

Why does that matter to a homeowner? Because it's a reminder that function drives beauty. In 2025, the smartest projects aren't the ones with the fanciest finishes; they're the ones that respect the building's original structure. Pearl House wouldn't be impressive if it ignored the fact that it was built for desks, not beds. The same discipline applies when you're planning your own remodel — check the structure and plumbing before you pick paint colors.

What is Schluter trim, and can I skip it?

Schluter trim is the metal profile that covers the exposed edge of a tile — around a window, at a wall corner, or where the tile stops and the paint starts. It's a simple product, but it does a critical job. A cut tile edge is sharp, easily chipped, and can let moisture sneak into the layers behind the tile.

I skipped it once on a bathroom remodel to save a few hundred bucks. The tile looked fine on day one. Eighteen months later, the corner tile in the shower had chipped and water had stained the drywall. Replacing that tile and fixing the wall cost about four times what the trim would have cost. So no, don't skip it. If you're using a tile installer, ask which profile they recommend. If they say "it doesn't matter," that's a red flag.

How do I fix a leaking shower head?

Nine times out of ten, the problem is just a worn rubber washer or loose threaded connection. Here's the honest process: turn off the water supply to that shower, unscrew the shower head from the arm, replace the washer, wrap plumber's tape around the threads, and tighten it back. That fixes most drips. If it still leaks, the seat inside the valve might be corroded, or there's a ball joint that needs a new socket ring.

The mistake I've made before — and I still kick myself for this one — is touching the shower without shutting off the water supply first. I had replaced the washer, opened the valve, and got a face full of water because the old supply stop didn't actually hold. That "simple fix" cost a $600 weekend plumber call. Learn from me: kill the water first.

Why does a canister purge valve belong in an article about home design?

Honestly? Because it almost never does. That's why it's a perfect warning about project scope.

A client once came to me with a beautiful renovation plan, then told me they'd spent their entire emergency cash on a car repair — a canister purge valve replacement. The fuel vapor leak had failed an emissions test, and the repair shop said the part plus labor came to about $350. To balance the budget, she cut the waterproofing membrane from the quote. Within eight months, there was a water stain spreading under the corner window, exactly where the membrane should have been. The $350 car part ended up costing her a $4,100 wall and window repair.

The lesson isn't "cars are more important than homes." It's that small maintenance items don't disappear just because you're excited about a new design. If your budget can't absorb an unexpected repair, it's not a design budget yet. Handle the canister purge valve equivalent — structural, plumbing, or even gutter issues — before you spend a dollar on finishes.

What's the biggest mistake people make before starting a renovation in 2025?

Picking the look before checking what the building will allow. That's true whether you're renovating a studio flat or a former office block. What was best practice in 2020 may not apply in 2025 — energy codes, ventilation, and water standards have all shifted — but the fundamentals haven't changed: the building has to work as a home first, look pretty second.

The good news? The industry is evolving. Office-to-residential projects like Pearl House show that existing buildings can be transformed instead of demolished. Better materials, like Schluter trim and modern waterproofing, make those transformations last. The bad news is that none of it works if you skip the boring planning hits. Bottom line: verify structure, water, and access before you fall in love with a paint color.