Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
IKO Bathroom Remodeling: The Miami Owner’s Guide
IKO bathroom remodeling in Miami typically means one of two things: you’re dealing with a failed IKO waterproofing membrane or backer board behind tile, or you’re replacing tired IKO shingle underlayment that’s let moisture into a bathroom-adjacent wall. A full IKO-spec bathroom remodel in Miami runs $10,620 to $33,040, with most showers and tub surrounds landing between $5,310 and $14,160. The failure pattern we see most often shows up as grout that won’t stop darkening, a musty smell that returns days after cleaning, or tiles that have started to shift where the wall meets the tub. That’s not a cleaning problem. That’s a waterproofing failure underneath.
Which IKO Models This Applies To
IKO makes roofing and waterproofing products, not finished bathroom fixtures, so the parts we’re matching are membranes, underlayments, and flashing systems that sit behind your tile. The most common IKO products we encounter in Miami bathrooms are IKO’s self-adhered waterproofing membranes and their eave and valley protection underlayments repurposed as shower pan liners in older builds. Here’s the compatibility gotcha: IKO’s roofing membranes are not rated for continuous submersion the way a true shower pan liner is. We’ve torn out more than one Miami shower where a previous contractor used roofing felt or a roofing-grade IKO product behind tile, and the result is always the same: the membrane breaks down at the seams, water gets into the subfloor, and what started as a $300 grout fix becomes a $12,000 bathroom rebuild. When we spec IKO-compatible bathroom work, we use the right product for the application: IKO’s AquaBarrier or an equivalent self-adhered membrane rated for wet-area use, paired with a proper Schluter strip (the metal trim that seals the edge where tile meets flooring) at every transition. We also work with KraftMaid for cabinetry, and Cambria or Silestone for surfaces when a full remodel is called for. Mason Remodeling Co Miami is an independent contractor, not an IKO affiliate, so we stock both OEM IKO materials and quality aftermarket membranes that meet or exceed the same spec.
Styles & brands we work with
Signs Your IKO Bathroom Remodeling Is Failing
- Grout darkening at the tub line within 24 hours of use. Water is wicking behind the tile because the membrane seam has separated. The grout isn’t failing; the waterproof layer behind it is.
- A persistent musty smell you can’t source. Moisture is trapped in the wall cavity or subfloor. By the time you smell it, mold has usually been growing for weeks.
- Tiles that flex or sound hollow when tapped. The thinset has lost its bond to a moisture-swollen backer board. This is a structural sign, not a cosmetic one.
- Water stains on the ceiling below a second-floor bathroom. The shower pan or tub surround has been leaking long enough to saturate the subfloor and travel downward.
- Baseboards near the shower that warp or peel at the bottom edge. Capillary action is pulling water out from under the tile and into the drywall. This is the earliest visible warning sign in most Miami homes.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Here’s what IKO-specific bathroom remodeling costs in Miami, installed:
- Full bathroom remodel with wet-area waterproofing (IKO membrane or equivalent): $10,620 to $33,040
- Small bathroom remodel (shower surround, pan, tile, fixture swap): $5,900 to $14,160
- Walk-in shower installation with new membrane, tile, and glass: $5,310 to $14,160
- Tub-to-shower conversion with waterproofing and tile: $4,130 to $11,800
- Shower replacement (pan, membrane, tile only): $3,540 to $10,030
- Bathroom vanity installation (KraftMaid or similar, including Cambria or Silestone top): $945 to $3,540
The biggest cost driver in Miami isn’t the tile or the fixtures; it’s what’s behind the wall. If the framing or subfloor has been compromised by the leak, we’re repairing structure before we’re laying tile. Every quote from Mason Remodeling Co Miami includes a written price before work starts, a line-item breakdown of parts and labor, and our 365-Day Done Right Promise: if something isn’t right within a year of completion, we make it right at no cost to you. No change orders, no surprise invoices. Isaac Pruett writes the number, and the number stands.
DIY or Call Us?
Here’s the honest split. You can safely check the visible signs: run your hand along the grout lines for crumbling, look for water staining at the tub lip, tap tiles for hollow sounds. What you should not do is pull up a single tile to “see what’s under there.” Once you break the tile surface, you’ve compromised whatever waterproofing remains, and you’re now committed to a full repair whether you planned for it or not. Waterproofing failures in Miami don’t get better with caulk, and they don’t patch from the surface. If you suspect the membrane has failed, call us at (850) 780-8123. We’ll tell you over the phone what to look for, and if we come out, you get a written quote before any work begins. And if the tile is already loose? Stop using the shower. Every shower you take is feeding water into the wall cavity.
FAQs
A properly installed wet-area membrane should last 20 to 30 years in Miami, but the tile and grout on top of it will typically need attention every 8 to 12 years due to humidity, hard water, and thermal expansion. If your membrane has failed early, it’s almost always an installation error at the seams or at the drain collar, not a product defect. Call (850) 780-8123 and we’ll inspect it and tell you exactly what you’re looking at.
In most cases, no. Once water has gotten behind tile, the only lasting fix is to remove the tile, replace the failed membrane section correctly, and re-tile the affected area. Patching from the surface doesn’t work because you can’t reach the seam where the water is getting through. We’ll give you a straight answer on repair versus replacement before you spend a dollar with us.
A tub-to-shower conversion or shower replacement typically takes 5 to 7 working days. A full bathroom remodel with new waterproofing, tile, vanity, and fixtures usually runs 2 to 3 weeks from demo to final grout. We’ll put the schedule in writing alongside the price, and Isaac Pruett finishes within the schedule he quotes.
Yes. We keep standard IKO waterproofing membranes, drain collars, and transition flashing on our trucks for common Miami bathroom configurations. For larger or less common IKO product sizes, we source from local Miami suppliers within 24 to 48 hours, and you’ll know the part cost before we order it. Call (850) 780-8123 and tell us what you’re working with; we’ll tell you what we have and what it costs.
If your bathroom is showing signs of waterproofing failure, don’t wait for the ceiling to stain. Call Mason Remodeling Co Miami at (850) 780-8123 for a free estimate. A live person answers, every time. We’ll tell you what you need done, what it costs, and when it’s finished, and we’ll mean it.
Written by Isaac Pruett, Owner, Mason Remodeling Co Miami at Mason Remodeling Co Miami, serving Miami and nearby areas.
