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Mighty Buildings Bathroom Remodeling: The Fort Lauderdale Owner’s Guide
A Mighty Buildings bathroom remodel in Fort Lauderdale typically runs $9,000 – $28,000, depending on scope, materials, and what’s behind the walls when we open them up. The work usually takes two to four weeks, and we schedule it around your actual availability, not the other way around. Most Mighty Buildings owners call us after discovering a failed wall panel, a leaking shower surround, or water damage where the prefabricated panels meet the floor. If that sounds familiar, you’re not alone; South Florida humidity is relentless on modular components, and we’ve seen how it plays out.

We’re an independent remodeling contractor in Fort Lauderdale. We aren’t affiliated with Mighty Buildings, but we’ve worked on enough of their structures to know what fails, what holds up, and what a proper bathroom renovation inside one of their builds actually requires.
Which Mighty Buildings Models This Applies To

Mighty Buildings bathrooms come in a few standard configurations, and the model matters less than the panel system it was built with. Most Fort Lauderdale installations we see use fiberglass-reinforced polymer (FRP) or composite wall panels with an integrated shower base, a wall-hung vanity, and a sealed floor assembly. The critical compatibility point isn’t the model name on the original order; it’s the wall thickness and stud spacing behind the panel. Mighty Buildings panels are typically installed over a 16-inch or 24-inch on-center steel frame, and that spacing dictates what we can mount, what tile backer we use, and how the new shower glass anchors.
When you open the bathroom, check the tag on the underside of the vanity or the back of the shower surround. If the tag is gone, measure the distance between wall studs through an existing fixture mounting hole; that tells us more than any model number. For Mighty Buildings bathrooms specifically, we recommend genuine OEM panels only when the rest of the bathroom stays intact. Once you’re replacing the shower surround, the floor, or moving a wall, a quality aftermarket equivalent such as Wedi or Kerdi board actually gives you better moisture performance in Fort Lauderdale’s humidity, and we can spec it to fit the existing frame.
Styles & brands we work with







Signs Your Mighty Buildings Bathroom Remodeling Is Failing
- Soft spots at the panel seams. The factory sealant between Mighty Buildings panels breaks down after years of shower steam and Florida heat. Water gets behind the panel, the substrate wicks it up, and the seam feels spongy when you press it. That’s not a cosmetic issue; it’s the start of mold behind the wall.
- Shower surround pulling away from the wall. Composite panels expand and contract at a different rate than the steel studs behind them. Over five or six Fort Lauderdale summers, the adhesive shears, and the panel starts to bow. If you can slide a business card behind the surround, the moisture barrier is already compromised.
- Musty smell that never clears. That’s water sitting where it shouldn’t be. In a prefabricated bathroom, there’s no place for it to dry out once it’s behind a panel. It’s usually the floor-to-wall joint or the shower curb, and it doesn’t go away on its own.
- Grout or caulk cracking at the floor line. The original Mighty Buildings bathroom often has a flexible sealant at the floor-to-wall transition. When it fails, water runs down the wall and under the flooring. By the time you see the crack, the subfloor has already started to swell.
- Vanity or wall fixtures pulling loose. The original install may have used anchors that weren’t rated for the panel thickness. Once a towel bar or the sink starts to sag, the panel around it is compromised, and you need a proper backer plate or a replacement section before anything can be re-mounted.
See the difference
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AfterReplacement Cost & What’s Included

A full Mighty Buildings bathroom remodel in Fort Lauderdale runs $9,000 – $28,000 installed. Here’s what drives that range:
- Shower-only refresh: $3,500 – $10,000 if we’re replacing the surround, pan, valve, and glass while leaving the rest of the bathroom alone.
- Mid-range remodel: $9,000 – $18,000 covers a new shower, a Kohler or Moen vanity, new flooring, new lighting, and fresh paint or wall panels.
- Full gut renovation: $18,000 – $28,000 gets you new waterproofing throughout, a custom tile shower, a Cambria or Silestone countertop on the vanity, new plumbing, and a fully rebuilt floor assembly.
Every quote we give includes the parts, the labor, the waterproofing, the haul-away, and the cleanup. You get a written number before work starts, and that number doesn’t change unless we find something like rotted framing behind the panels and you approve a change order in writing first. Every remodel carries our 365-Day Done Right Promise in writing. If something we installed fails within a year, we come back and fix it. No invoice, no argument.
DIY or Call Us?
You can safely check a few things yourself: look for visible cracks at the panel seams, press along the shower surround for soft spots, and check whether the floor feels solid at the threshold. That tells us what we’re dealing with before we arrive.
What you shouldn’t do is pull panels off the walls, especially around the shower area. Once you break the factory seal on a Mighty Buildings bathroom, the waterproofing is gone, and you can’t recreate it with off-the-shelf caulk from a home center. We’ve also seen owners attempt to re-anchor a wall-hung vanity into composite panels that had already started to delaminate; the screws sheared, and the vanity came off in someone’s hands. If the panel is wet, it’s done. Call (754) 551-2922 and we’ll come look at it before you open anything up.
FAQs

A properly waterproofed bathroom remodel in Fort Lauderdale lasts 15 to 25 years before materials start to look dated or seals need redoing. The original prefabricated panels usually start failing at the seams within 7 to 10 years in our humidity, which is why a proper substrate matters more than the finish material. Call (754) 551-2922 if you want us to assess what’s happening behind your panels.
Yes, if the damage is confined to one wall section or the shower surround, we can replace just that component. The decision comes down to whether the waterproofing behind the panel is still intact. If water has already reached the studs, a patch job won’t hold, and we’ll tell you that honestly before quoting anything.
A shower surround replacement takes two to four days. A full bathroom remodel takes two to four weeks depending on how much framing needs to be replaced. You’ll get a defined arrival window and a written schedule before we start, and we stick to it.
We don’t stock OEM Mighty Buildings panels because they’re model-specific and often backordered. What we do stock is a range of quality aftermarket wall systems such as Wedi and Kerdi board that outperform the originals in Florida’s humidity, plus Kohler and Moen fixtures and Cambria and Silestone slabs for vanities. We can also source OEM parts (along with KraftMaid and other brands we regularly install) if that’s what the job calls for. Call (754) 551-2922 to find out what’s available for your specific bathroom.
Written by Trevor Nash, Owner, Penhallow Remodeling Fort Lauderdale at Penhallow Remodeling Fort Lauderdale, serving Fort Lauderdale and nearby areas.


