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Schluter Bathroom Remodeling: The Austin Owner’s Guide
Schluter bathroom remodeling in Austin typically runs $9,000 to $28,000 installed, depending on shower size, waterproofing scope, and whether we’re doing a full tear-out or a targeted repair. Most Schluter system failures we see involve water getting behind the membrane at a seam, a drain assembly that’s shifted, or tile delaminating from the KERDI board because the modified thinset was incompatible with the membrane. In Austin’s hard-water and high-humidity climate, these issues show up faster than in drier regions, and they rarely fix themselves.

We stock Schluter KERDI, DITRA, and KERDI-BOARD components on our trucks, along with the trim pieces, inside and outside corners, pipe seals, and drain kits that tend to fail first. If you’ve spotted cracked grout, a soft spot in the shower floor, or water staining on the ceiling below a second-floor bathroom, that’s usually the moment an Austin homeowner calls us. We’ll walk the job, identify exactly which Schluter component failed, and put a written price in your hand before anything gets torn out.
Which Schluter Models This Applies To

Schluter’s bathroom line breaks down into three main systems, and the failure point differs for each. The KERDI shower system uses a bonded waterproof membrane over a sloped mortar bed or KERDI-SHOWER tray, with a KERDI-DRAIN assembly at the center or offset. The KERDI-BOARD system uses waterproof foam panels as the wall substrate, which is the layer behind your tile, sealed at every seam and fastener with KERDI-BAND. The DITRA system handles underlayment under floor tile, and it’s what we’re checking when an Austin bathroom floor shows cracked tiles near the vanity or toilet flange.
A compatibility gotcha worth knowing: KERDI membrane must be installed with unmodified thinset, while KERDI-BOARD fasteners require KERDI-FIX or a polyurethane sealant at every penetration. When a previous installer used modified thinset against the membrane or skipped the banding at a curb-to-wall transition, the waterproofing fails from day one, it just takes a year or two for the damage to show. We’re an independent Austin contractor, not affiliated with Schluter, but every technician who touches these systems has installed them from the tray up and knows the spec sheet cold.
Styles & brands we work with







Signs Your Schluter Bathroom Remodeling Is Failing
- Grout cracking along the shower floor perimeter. This usually means the mortar bed or foam tray beneath the tile is flexing, and the movement is telegraphing through the tile. With Schluter systems, this often traces back to a transition seam between the tray and the wall board that wasn’t properly banded.
- Water staining on the ceiling below a second-floor bathroom. In Austin, we see this most often after the first sustained rainy season or a long hot spell that makes framing lumber shift. Water is finding a path through the membrane at a seam, drain, or curb corner, and it’s been doing it quietly for months.
- A musty, earthy smell in the bathroom that cleaning doesn’t touch. Trapped moisture inside the wall cavity or under the floor tile feeds mold, and the smell is the first sign you’ll notice before baseboards start swelling or paint starts bubbling along the bottom edge of the wall.
- Loose or hollow-sounding tiles in the shower or bathroom floor. Tap a few tiles with a knuckle. A sharp, solid sound is good. A hollow thud means the bond has broken between tile, thinset, and substrate, and on a Schluter system that’s almost always a waterproofing failure below the surface.
- Water pooling instead of draining at the KERDI-DRAIN grate. Schluter drains have an integrated bonding flange and adjustable grate assembly, and when the drain body shifts or the membrane seal at the flange tears, water backs up and soaks into the surrounding mortar bed instead of moving down the pipe.
See the difference
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After
Before
After
Before
AfterReplacement Cost & What’s Included
A full Schluter bathroom remodel in Austin runs $9,000 to $28,000 installed. The range breaks down roughly like this:
- Shower-only remediation (new waterproofing, drain reseal, retile): $4,500 to $12,000
- Full bathroom remodel with Schluter waterproofing: $9,000 to $28,000
- Floor-only repair with DITRA underlayment and new tile: $3,000 to $8,500
What drives the number up: shower square footage, whether the foam tray needs replacing or we can salvage the existing slope, tile selection (large-format porcelain runs more in labor than standard 4×4), and whether there’s hidden framing damage behind the failed waterproofing. Every quote includes the Schluter components, thinset, grout, tile, demolition, disposal, and a written warranty on the work. The price we give you before we start is the price on the invoice. We don’t do upgrade surprises at the door.

DIY or Call Us?
There are a few things an Austin homeowner can safely check before calling: look for visible cracks in the grout, check that the drain grate isn’t clogged with hair and soap buildup, and feel for soft or spongy spots in the shower floor. None of that requires tools or carries risk.
What we don’t recommend is pulling tile to “see what’s going on” underneath. Once you break the tile surface on a Schluter system, you’ve compromised the waterproofing layer, and a minor leak becomes an open hole through the floor. Schluter repairs are not a weekend project; the membrane, banding, and drain integration have to be done precisely or you recreate the same failure in six months. If the tile is already loose and the grout is cracking, call us at (325) 225-5429. We’ll tell you what we’re looking at and what it costs to fix it right.
FAQs

A properly installed Schluter KERDI or KERDI-BOARD system should last 20 to 30 years in Austin’s climate. The membrane itself carries a Schluter warranty, but the real-world lifespan depends on the quality of the installation, particularly at the seams, corners, and drain connection, which is where most Austin failures we see originate. Call (325) 225-5429 if your system is showing signs of failure; we’ll give you an honest assessment for free.
Yes, in many cases a failed Schluter bathroom can be repaired without a full gut job, but it depends on where the water went. If the leak is isolated to a drain seal or a single curb corner and the framing is dry, we can do a targeted repair. If the waterproofing failed across multiple seams or mold has set into the studs, a full tear-out is the only honest fix. Call (325) 225-5429 and we’ll tell you which situation you’re in.
A shower-only Schluter remediation typically takes 5 to 8 working days. A full bathroom remodel with demolition, waterproofing, tile, and fixtures runs 2 to 4 weeks depending on scope. We give you a written schedule with your written estimate, and we show up in the window we give you. Call (325) 225-5429 to get your timeline started.
Yes, our Austin trucks carry KERDI membrane, KERDI-BAND, inside and outside corners, pipe seals, mixing valves, and KERDI-DRAIN components as standard stock, along with the unmodified thinset these systems require. That means most Schluter repairs don’t wait on a parts order. Call (325) 225-5429 and we’ll bring what’s needed on the first visit.
Tell me what you need, I’ll tell you what it costs, and we’ll go from there. If your Schluter bathroom is showing signs of failure, don’t wait for water to find the room below it. Call Penhallow Remodeling Austin at (325) 225-5429 to schedule your free estimate. Every project gets a written price before work starts, and every job carries our 365-Day Done Right Promise: if it’s not done right, we make it right.
Written by Trevor Nash, Owner, Penhallow Remodeling Austin at Penhallow Remodeling Austin, serving Austin and nearby areas.


