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| Symptom You See | Likely Cause | Urgency | Recommended Action |
|---|---|---|---|
| White mineral crust on grout or tile surface | Hard water calcium / efflorescence — cosmetic | Low | Deep clean with CLR or white vinegar; reseal grout within 30 days |
| Grout cracking, crumbling, or missing chunks | Normal FL hard water wear + humidity cycling | Medium | Regrout entire shower within 90 days before water penetrates |
| Caulk gap or pulling away at tub/shower base | Caulk shrinkage, mold, or substrate movement | Medium | Remove all old caulk; apply 100% silicone — do not use latex caulk in FL |
| Caulk gap at corner joints (wall-to-wall) | Building movement or caulk failure | Medium | Recaulk within 2 weeks; water enters corner gaps very quickly |
| Tiles sound hollow when tapped with coin | Water under tile / failed tile adhesive / pan leak | High | Call plumber for inspection within 30 days; avoid heavy use |
| Wet spot or discolored flooring adjacent to shower | Pan leak through curb or pan base | Very High | Stop using shower immediately; call plumber today |
| Mold on tile surface (wipes off easily) | Surface mold from humidity — not a pan issue | Low–Med | Clean with mold-specific cleaner; improve exhaust ventilation |
| Mold behind tile (visible after grout removal) | Water penetration through failed pan or grout | Very High | Full tile removal and professional mold assessment required |
| Stain, drip, or wet patch on ceiling below bathroom | Pan failure or supply line leak above | Emergency | Stop all shower use; call plumber immediately; do not run water |
| Efflorescence (white powder on grout lines) | Water actively migrating through the grout body | High | Inspect drain flange and pan for leaks; reseal grout urgently |
| Loose, rocking, or shifting floor tiles | Failed mortar bond from water damage below | High | Remove tiles; inspect pan liner; assume pan replacement needed |
| Drain area feels soft or spongy when stepped on | Saturated mortar bed / failed pan liner at drain | Very High | Stop use; call plumber; pan liner failure at drain confirmed |
| Repair Method | What It Fixes | What It Does NOT Fix | Typical FL Cost | FL Lifespan After Repair |
|---|---|---|---|---|
| Regrout only | Surface grout cracks, hard-water staining, efflorescence on grout lines, cosmetic gaps | Pan leaks, mold behind tiles, cracked or failed pan, hollow tiles, structural water damage | $200–600 | 3–6 years with annual sealing |
| Recaulk only | Corner/base caulk gaps, soft or moldy caulk joints, tub-wall transition | Grout failures, tile cracks, pan leaks, hidden mold, hollow tiles | $150–400 | 2–4 years in FL humidity |
| Partial tile removal + regrout | Limited cracked or hollow tiles in accessible area, visible surface mold, damaged grout in specific zone | Widespread pan failure, slab saturation, mold behind multiple walls, failed drain flange | $500–2,500 | 5–10 years if pan is intact |
| Shower pan liner replacement | Failed PVC or CPE liner, drain flange failure, curb leak — when pan structure is otherwise sound | Cracked mortar bed, embedded pipe leaks in slab, structural subfloor rot | $1,500–5,000 | 15–25 years (PVC liner) |
| Full demo + new pan + new tile | Everything — full waterproofing reset, new substrate, new fixtures, new aesthetic | (Addresses all conditions if done properly with flood test) | $4,000–18,000 | 20–30 years |
| Prefab shower unit replacement | Everything (simpler, faster option) — replaces entire unit including walls and pan | Custom aesthetic, steam option, large walk-in formats | $1,200–4,500 | 15–20 years |
| Pan Type | Material | FL Pros | FL Cons | Replacement Cost | Best FL Application |
|---|---|---|---|---|---|
| Pre-slope mortar bed + PVC liner | PVC or CPE liner on hand-packed mortar pre-slope | Fully customizable size/shape; proven 40+ yr track record; excellent drain seal | Liner can crack at folded corners; mortar bed can saturate if liner fails | $1,500–4,000 | Custom tile showers of any size — most common FL method |
| Prefab acrylic / fiberglass | Molded one-piece plastic unit | Easy replacement, mold-resistant surface, no grout maintenance | Very limited sizes, cannot customize appearance, shows scratches | $400–1,500 installed | Budget remodel, rental property, quick replacement |
| Foam board (Schluter Kerdi, USG Durock) | Waterproof foam substrate with integral waterproofing membrane | Excellent FL humidity resistance, lightweight, no separate liner needed | Higher material cost; requires specific thinset; less available in rural FL | $1,800–5,000 | Modern FL remodels; preferred method for large walk-ins |
| Cast iron (pre-1970 FL homes) | Cast iron with vitreous porcelain finish | Extremely durable, near-permanent if undamaged | Very heavy (often 200–400 lbs), expensive to replace, requires structural support | $2,000–6,000 | Original restoration in older FL homes (pre-1970) |
| Solid surface (Corian, Swanstone, Vikrell) | Acrylic or polyester solid panels and base | Seamless — no grout joints to seal; highly mold-resistant; repairable surface | Higher initial cost; limited aesthetic options; scratches require professional repair | $1,500–4,500 | Modern FL master bath; ideal for households with elderly or disabled users |
| Tile-direct on concrete slab | Tile set directly on concrete slab with waterproof membrane | FL-specific slab-on-grade method; eliminates separate pan | Waterproofing membrane is critical; leak risk if membrane fails or is omitted | Varies — part of full rebuild | New FL construction and slab-on-grade remodels |
Built for Florida homes - accounting for Florida's hard water, humidity, coastal corrosion, and county permitting.
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On this page, Florida shower leak estimates run about $5,000-$25,000, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.
Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.
In Florida, minor maintenance may be DIY, but anything beyond that generally calls for a licensed plumber, and many jobs require a permit and inspection. When a permit, gas work, or your main water or drain lines are involved, hire a Florida-licensed plumber.
It depends on the cause and your specific policy. Sudden, accidental damage is more often covered than gradual wear-and-tear or maintenance - confirm the details with your insurer.
Many common jobs are completed the same day, while larger projects can take longer. Your licensed plumber can confirm a timeline after assessing your home.
Planning estimate, not a quote — confirm with a licensed Florida plumber. Confidence is qualitative: ranges reflect this page’s Florida assumptions, not a guaranteed price.
Estimates on this page are Florida-specific and reflect Shower Leak for typical Florida homes.
From this page: On this page, Florida shower leak estimates run about $5,000-$25,000, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.
Your actual cost depends on your home's condition, layout, and local labor and permit rates.
From this page: Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.
Generally raises cost: harder access, older homes, added permits and inspections, premium fixtures or materials, and emergency or after-hours work.
Generally lowers cost: easy access, bundling several items in one visit, standard fixtures, and off-peak scheduling.
Curated Florida tools and resources related to this page.
Last reviewed: July 1, 2026 (US Eastern)
Reviewed by the FL Plumbing Tools editorial team.
Sources: Florida plumbing cost research and Florida Building Code / local authority-having-jurisdiction (AHJ) permit references.
Florida reference: Estimates and guidance reflect Florida labor rates, permitting, hard water, humidity, and coastal conditions.
Updates: Reviewed periodically and updated as Florida codes, permit fees, and market rates change.