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“Really an excellent limestone tile cleaning service. The technicians filled and matched some hairline cracks so you would not see them unless you knew where to look. They repaired and replaced grout as necessary and resealed the shower stall.”
— John Binford, verified residential client
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Project: Travertine shower restoration in a Potomac, MD master bathroom — re-honing, hole-filling, and full grout/sealer overhaul on a 110 sf travertine shower (walls, floor, bench) that had developed soap scum, hard water staining, hole degradation, and grout discoloration over 12 years. 4-day project; surface returned to near-new appearance with new sealer protection.
The project at a glance
- Location: Potomac, Maryland
- Stone: Travertine (cream/beige with linear veining), honed finish, filled when installed
- Surface: 110 sf total — 78 sf walls, 22 sf floor, 10 sf bench
- Age of installation: 12 years
- Damage: Hard water scale on walls, soap scum buildup throughout, opened/expanded holes (40+ visible), discolored and crumbling grout, sealer fully degraded, light mildew at lower walls
- Project span: 4 days
- Crew: 2 technicians
The damage we found
Travertine showers are notorious for high maintenance demands and this 12-year-old installation showed every common failure mode:
- Hard water scale: Mineral deposits had built up especially on the walls in line with the shower head. The original honed travertine surface was nearly invisible behind the white-grey scale layer.
- Soap scum buildup: A waxy translucent film coated the lower walls, the bench, and the floor — accumulated soap, body wash, and shampoo residue. Daily wiping had not addressed this for years.
- Opened/expanded holes: Travertine is naturally pitted, and during installation those holes are typically filled with epoxy color-matched to the stone. Over 12 years of water exposure, many fillers had degraded, exposing the original holes — and water had entered, which sometimes erodes the hole walls and makes them larger.
- Grout failure: The original grout had darkened in some places, cracked in others, and was actively crumbling at the floor-to-wall transition and in the shower seat corners.
- Sealer fully gone: Water absorbed into the stone immediately on contact rather than beading. This had been the case for years, accelerating all the other damage.
- Light mildew at lower walls: Black/grey spots in the lower 12 inches of the walls — accumulated soap residue providing a substrate for mildew growth in the wet zone.
The restoration process
- Site protection (Day 1). Bathroom door masked with plastic walls, glass shower enclosure removed (shower hardware retained for re-install), surrounding tile floors and adjacent vanity protected. Bathroom HVAC sealed.
- Initial deep cleaning. Alkaline stone cleaner applied across all surfaces, agitated with non-abrasive nylon pads, dwell time 20 minutes, then high-pressure rinse. Removed bulk soap scum, mildew, and surface dirt. Already a dramatic visual improvement.
- Acid-based scale removal. Hard water scale required a specialized acidic cleaner — used carefully on travertine since travertine is acid-sensitive. Applied in controlled small areas with immediate neutralizing rinse. Multiple passes on the heaviest scale areas.
- Grout removal and replacement (Day 2). All failed grout removed mechanically. New stone-safe grout installed in matching color, with mold-inhibiting additives. Grout requires 24 hours to cure before next steps.
- Hole filling (Day 3). 40+ open and expanded holes were re-filled with color-matched epoxy filler. For travertine, we mix three to four pigments per area to match the natural variation. Each filler shaped to slightly proud, then sanded flush after curing.
- Diamond honing. The entire shower surface — walls, floor, bench — was honed at 200, 400, and 800 grit to flatten the new fills, remove residual scale shadows, and refresh the original honed finish. Honed finish (not polished) is the standard for travertine showers.
- Sealing (Day 4). Premium impregnating sealer applied across all surfaces in two coats. Travertine is highly absorbent and requires generous sealer application. Cured 24 hours before water exposure.
- Glass shower enclosure re-installation. Original glass and hardware re-installed. New silicone caulk applied at all glass-to-stone joints with mold-inhibiting silicone.
- Care kit and education. Homeowner received pH-neutral daily cleaner, squeegee for daily use, and a written care guide.
The outcome
By end of Day 4:
- Hard water scale fully removed; original travertine color and finish restored
- All soap scum eliminated; surface clean and uniform
- 40+ holes refilled and shaped to match surrounding stone
- New grout throughout; no more crumbling or discoloration
- Mildew eliminated; surface sealed against future growth
- Premium sealer in place — water beads on all surfaces
- Glass enclosure cleaned and re-installed with fresh caulk
The homeowner described it as “looking better than the day we moved in.” She has us back annually for a maintenance clean and sealer refresh — the right cadence for travertine showers in regular use.
Why this project matters for similar travertine shower installations
Three takeaways for homeowners with travertine showers:
- Travertine showers need annual maintenance to avoid this kind of cumulative damage. A 12-year-old shower without intervention develops every problem at once. With annual professional maintenance ($400-700/year), the same shower stays in like-new condition indefinitely.
- Hole filling is a normal part of travertine ownership. The original installation fills are usually durable but not permanent. Plan to refresh them every 8-12 years — this is the single biggest visible change.
- Travertine showers are not the right choice for everyone. If you don’t want to commit to annual maintenance and quality sealer, consider porcelain that mimics travertine — much lower maintenance and visually similar.
Cost range for similar projects
- Travertine shower restoration (60-150 sf): $2,800–$5,500
- Annual maintenance program (clean + sealer refresh): $400–$700/year
- Hole-filling refresh (only): $400–$900 depending on hole count
This particular project (110 sf with extensive hole filling and grout replacement) came in at the upper-middle of the typical range.
Warranty
All Rose Restoration work is backed by our 1-year written workmanship warranty.
Related services
- Travertine shower restoration — full travertine shower service guide
- Stone restoration in Potomac, MD — Rose’s Potomac service area
- Marble shower restoration — for marble showers
- Granite shower restoration — for granite showers
- Travertine restoration — for travertine floors and other surfaces
Frequently asked questions
How often should I have my travertine shower professionally maintained?
Annual maintenance is the right cadence — a thorough clean and sealer refresh prevents the cumulative damage that develops over years of unaddressed wear. Without annual maintenance, plan for a major restoration every 8-12 years.
Can I prevent hard water scale on my own?
Daily squeegee use prevents the worst scale buildup. Weekly use of a stone-safe cleaner removes any developing scale before it cements. With these two practices, scale becomes a non-issue.
Why are the holes opening up?
Travertine is naturally pitted. The original installation fills those holes with epoxy. Over years of water exposure and soap residue, the fillers degrade and water can erode the hole walls. Re-filling is normal maintenance.
Will the new grout match the original grout color?
Yes — we color-match new grout to the original (or to your preference if you want a slightly different shade). The new grout will look brighter and more uniform than the old grout simply because it’s new and undamaged.
Why don’t you just replace the travertine?
For 90% of travertine showers, restoration is dramatically less expensive than replacement and produces equivalent visual results. Replacement (tearing out and re-installing) typically runs $15,000-30,000+ for a master shower — versus $3,000-6,000 for restoration.
Is travertine a bad choice for showers?
Not bad — but high-maintenance. If you commit to annual care, travertine showers stay beautiful indefinitely. If you don’t, problems compound. Modern porcelain that mimics travertine is a lower-maintenance alternative for new construction.
Schedule a free travertine shower assessment
For travertine shower restoration in Potomac, Bethesda, McLean, Great Falls, or anywhere across DC, MD, and VA: call 703-327-7676 or request a free in-home assessment. Senior technicians respond within 2 business hours. Most travertine shower restoration projects are quoted between $2,500 and $6,000.