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Unilock Bathroom Remodeling: The Austin Owner’s Guide
Unilock bathroom remodeling in Austin typically runs $9,000 to $28,000 installed, depending on whether you’re replacing a failing surface, rebuilding a shower pan, or gutting the whole bathroom and starting over. The most common issue we see starts small: hairline cracks in the paver-style tile, a “soft” spot underfoot near the shower curb, or loose pavers in a Unilock floor system that was never meant for constant interior moisture. Left alone for six months in Austin humidity, those small signs turn into full replacement jobs.
Most Austin homeowners discover their Unilock bathroom problem by accident, honestly. You notice the floor feels a little “springy” by the tub. You see a stain working through the grout line that keeps coming back. Then you pull up a loose paver and find the substrate (the mortar bed underneath) has crumbled into sand. That’s when the real question isn’t “can someone fix this?” but “who in Austin actually knows Unilock products and will give me a real number before demo day?” That’s where we come in.
Which Unilock Models This Applies To
Unilock makes a wide product line: exterior pavers, retaining walls, and some interior-grade stone materials. In bathroom applications, we mostly see Unilock’s Brussels Block, Courtstone, and occasionally Town Hall pavers used as decorative floor material or shower surrounds. Each has different dimensions, and that matters more than people think. A Brussels Block paver is roughly 7.75 x 7.75 inches but can vary by a full quarter inch between production runs. Try to mix a new replacement paver with a five-year-old floor and you’ll see the seams don’t line up. We check the stamped lot code on the paver back before we order anything.
When it comes to OEM (original manufacturer) versus quality aftermarket equivalents, here’s the honest truth for Unilock bathrooms: Unilock doesn’t make bathroom-specific trim or sealing systems. Their product is the paver or wall block itself. Everything around it – the waterproofing membrane, the drain, the mortar bed, the grout – comes from third parties. So “OEM” only means matching the Unilock paver exactly. For everything else, we use products we know hold up better in Austin’s climate: Schluter or USG waterproofing membranes, LATICRETE or Mapei grout. The Unilock paver carries its own material warranty; our installation carries ours.
Styles & brands we work with
Signs Your Unilock Bathroom Remodeling Is Failing
- Pavers rock or shift slightly when you step on them. This usually means the mortar bed below is no longer bonded. Moisture got in through a hairline crack, saturated the mortar, and now the paver is floating. It won’t reseat on its own.
- Water stains appear in the same spot after every shower, even between cleanings. The moisture barrier has been compromised. The stain isn’t the problem; the path the water is taking behind the paver is.
- Grout lines crack repeatedly, especially along the shower floor or where the wall meets the floor. Movement joints weren’t installed properly, which is a code requirement in Texas for any floor over 15 square feet. Without them, the expansion and contraction pops the grout.
- A damp, musty smell lingers in the bathroom no matter how much you clean. That’s almost always water trapped behind the surface. In Austin’s humid stretches from May through September, it doesn’t dry out. Mold follows.
- The shower curb or the edge against the tub turns dark and crumbly. That means the underlying wood framing has been wet for a while. Replacing the surface alone won’t fix it – the framing has to come out.
See the difference
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After
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AfterReplacement Cost & What’s Included
For Unilock bathroom remodeling in Austin, here are the real numbers: a small bathroom refresh (replace a floor, re-grout, reseal) starts around $5,000. A full bathroom remodel with Unilock pavers, a new shower pan, new plumbing trim, and tile surfaces lands between $12,000 and $28,000. The range depends on three things: bathroom size (a 5×8 foot bath costs far less than a 12×15 foot primary bath), what condition the framing and subfloor are in once the old surface comes off, and whether you’re moving plumbing or keeping the same footprint. Moving a toilet or shower valve adds $1,500 to $4,000 per fixture because the slab or subfloor has to be cut and re-routed.
Every job includes the written price before work starts, all materials (Unilock pavers, waterproofing membrane, grout, drains, trim), the labor, the haul-away, and our 365-Day Done Right Promise in writing. If the grout cracks or a paver shifts inside a year, we come back and fix it. No service call fee, no second invoice.
DIY or Call Us?
You can safely do the investigative part yourself: lift the bath mat, look for cracks in the grout, feel for soft spots near the shower curb. You can even note the paver pattern and measure a few stones so you know what you’re showing us. What you shouldn’t do is pull up a Unilock paver and try to mortar a new one in. The waterproofing layer beneath it is the whole defense against rot and mold. Puncture that with a chisel or screwdriver and you’ve turned a $400 repair into a $9,000 rebuild. Trevor Nash has watched that happen more times than he’d like to count on the south side of Austin.
If this sounds like your bathroom, call (325) 225-5429. Tell us what’s loose, cracked, or wet. We’ll get you a written number, not a verbal range.
FAQs
A properly installed Unilock paver bathroom floor in Austin should last 15 to 25 years, with the grout needing re-sealing every 2 – 4 years depending on how hard your water is. The weak point isn’t the paver; it’s the membrane and mortar bed underneath. Do that part right and the surface outlives most homeowners’ patience for the color.
If the issue is isolated – a few loose pavers, a single grout line crack, a worn seal – we can usually repair it for $800 to $3,000. If there’s spongy flooring, a rotten shower curb, or water damage to the framing behind the surface, the affected area has to come out and be rebuilt. Half-measures on wet framing always fail again. Call (325) 225-5429 and we’ll tell you straight which category yours falls into.
A surface repair takes one to two days. A full bathroom remodel with Unilock pavers runs two to four weeks, with the first week being demolition and waterproofing prep, the second being paver and tile work, and the final stretch for grout, sealing, and plumbing trim. Austin’s summer heat doesn’t slow interior work much, but it does mean we set our caulk and grout cure times on interior climate, not the forecast.
We keep the most common repair materials on hand – compatible grout colors, sealers, waterproofing strips, and trim pieces – and we order Unilock pavers by lot number direct from our supplier before the job starts. Matching a five-year-old paver from memory is how you get a bathroom floor with a patch that looks like a bad toupee. We don’t guess once, and you don’t live with a patch that never matches.
Give us a call at (325) 225-5429. Tell me what you need, I’ll tell you what it costs, and we’ll go from there.
Written by Trevor Nash, Owner, Penhallow Remodeling Austin at Penhallow Remodeling Austin, serving Austin and nearby areas.
