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Tile Floor Urine Removal

Tile Floor Urine Removal

Urine smell in your tile or grout? You may not have to tear it out. We treat ceramic, porcelain, natural stone, and pavers in place when the floor can be saved.

Serving California since 1989

Tile floor being treated for urine odor by P.O.R.S.

Tile Looks Waterproof. The Floor Underneath Isn’t.

Tile gets a reputation as the easy floor for pets. It’s hard, it wipes clean, and urine sits on top — or so it seems.

The tile itself may shed urine. The grout doesn’t. Grout is porous, and every grout line is a path down to the mortar bed and the slab or subfloor underneath. Natural stone and pavers are porous through the body of the material. Over months and years of accidents, urine soaks into the grout, into porous tile and stone, and in severe cases into what’s below.

That’s why a tile floor can look spotless and still smell — and why mopping, steam cleaning, and grout cleaners bring it back instead of getting rid of it.

Signs the Urine Is in the Tile or Grout

  • The floor smells like ammonia even right after mopping
  • The odor is strongest along grout lines or in specific areas
  • Grout is darkened or discolored in the affected areas
  • Steam cleaning or mopping makes the smell worse for a while
  • Stone or pavers are stained or blotchy where pets spent time
  • The smell gets stronger on warm or humid days
  • You’ve tried several products and none of them held

Can the Floor Be Saved? It Depends on Two Things

Most people assume urine in a tile floor means tearing it out. Often it doesn’t. What we recommend depends on:

1. What the floor is made of

  • Ceramic, porcelain, and natural stone → soak treatment
  • Porous or unsealed natural stone → soak or Odor Encapsulator, decided case by case after inspection
  • Clay pavers and concrete pavers → Odor Encapsulator, or soak treatment where the flooring is staying and isn’t being sealed

2. What the tile is installed over

  • Tile on a concrete slab → can usually be treated in place
  • Tile on a raised foundation or a second floor (wood subfloor underneath) → as a rule, we don’t soak-treat these floors; they’re usually evaluated for removal and subfloor treatment

The inspection tells us both — and which path fits your floor.

Not sure whether your tile can be saved?

The pet odor inspection determines it — before anyone recommends tearing anything out.

The Soak Treatment — Ceramic, Porcelain, and Natural Stone

For ceramic, porcelain, and natural stone installed over a concrete slab, our soak treatment is the option that lets you keep the floor.

How it works

We drench the tile floor with a powerful oxidizer that penetrates down into the grout and treats the urine where it has soaked in. Then we let it dwell. Standard treatment is 24 hours. Severe and extreme cases get 48 or 72 hours — that dwell time is what lets it reach the contamination rather than just the surface.

Then we clean and rinse

Once the soak is complete, the tile and grout are thoroughly cleaned and rinsed. Grout sealing is available as an additional service afterward if the grout needs it.

Why we soak-treat over concrete

As a rule, the soak treatment is used on tile installed over a concrete slab. We generally don’t use it on raised foundations or second floors, where there’s a wood subfloor under the tile — those floors are usually handled differently. See “When the Tile Has to Come Out” below.

About the guarantee

The soak treatment is very effective, but it isn’t covered by our 5-Year Odor-Free Guarantee. It’s the option for keeping your existing floor — and you’ll know that trade-off before we start.

Tile floor being soak-treated to remove urine odor from grout
The soak reaches into the grout, where the urine has actually gone.

Porous and Unsealed Natural Stone

Porous or unsealed natural stone absorbs urine into the body of the stone, not just the grout. For these floors there’s no single rule — we decide case by case after the inspection.

Depending on the stone, its condition, and how deep the contamination goes, we’ll recommend either the soak treatment or sealing with our Odor Encapsulator. If the stone is sealed with the encapsulator, it carries our 5-Year Odor-Free Guarantee; if it’s soak-treated, it doesn’t. You’ll know which we recommend, and why, before any work begins.

Porous tile that has absorbed urine into the body of the material
Porous tile and stone absorb urine through the body of the material, not just the grout.

Odor Encapsulator — Clay and Concrete Pavers

Clay pavers — including Spanish and Mexican pavers — and concrete pavers are among the most urine-absorbent floors in any home. The urine goes into the body of the paver, not just the grout.

For pavers, we clean and prepare the surface, then seal with our Odor Encapsulator. It gets the odor source contained while preserving the pavers themselves.

Paver floors treated with the Odor Encapsulator carry our 5-Year Odor-Free Guarantee. It applies to qualifying surfaces properly prepared and treated with the Odor Encapsulator System, and doesn’t cover new pet accidents, untreated areas, or work performed by others.

Clay pavers sealed with the Odor Encapsulator
Clay pavers cleaned, prepared, and sealed — the pavers themselves are preserved.

When the Tile Has to Come Out

Some floors can’t be saved in place.

Tile over a wood subfloor

On raised foundations and second floors, the tile sits on wood. When urine has soaked through the grout into that subfloor, the tile usually needs to come up so the subfloor can be treated directly. As a rule, we don’t soak-treat these floors.

Severe damage over concrete

Even on a slab, when tile or stone is severely damaged and urine has penetrated through to the concrete underneath, we recommend removing the flooring. At that point the odor source isn’t the tile — it’s the slab, and it has to be treated directly.

Signs it’s gone that far:

  • Odor that persists after grout-level treatment
  • Heavy, long-term contamination concentrated in one area
  • Tile installed over a wood subfloor with a strong, persistent odor

Once the tile is up, the concrete or subfloor underneath gets the same treatment as any other structural surface — prepared, dried, and sealed. See our concrete urine odor removal and subfloor odor sealing pages.

Why Cleaning Products Don’t Reach It

Most people have tried several products on a tile floor before they call.

Mopping, steam cleaning, grout cleaners, and enzyme products all work on the surface — and on a fresh accident, that’s often all you need. Once urine has soaked into grout and porous tile, they’re working on the wrong layer. Steam and heavy mopping can also push moisture back into the grout and reactivate what’s there, which is why the smell often seems worse right after cleaning.

Right tools for surface cleaning. The contamination is below the surface.

Brick, Patios, and Fireplaces

We also seal brick patios, porches, and fireplace brick (excluding the firebox), which protects the surface while keeping its appearance.

Can You Stay Home During Treatment?

Often, yes. If the room being treated can be isolated and sealed off with a containment barrier, you can remain in the home. The treated area needs to stay clear during the process. We’ll give you specific guidance based on which treatment your floor needs.

What to Expect

  • Inspection. We identify the tile type, what it’s installed over, how far the urine has gone, and which treatment fits.
  • Itemized estimate. You get a line-by-line estimate by email before any work begins.
  • Treatment. Soak, Odor Encapsulator, or removal and substrate treatment — whichever the inspection calls for.
  • Cleaning and rinsing after a soak treatment.
  • Optional grout sealing if the grout needs it.

Why P.O.R.S.

  • Structural odor remediation — not surface cleaning
  • Serving California since 1989
  • We treat tile in place whenever the floor can be saved
  • Treatment matched to the tile type and what’s underneath it
  • Forensic UV black light inspection before any recommendation
  • Proprietary Odor Encapsulator System for clay and concrete pavers

Questions We Get

Do I have to tear out my tile to get rid of the urine smell?

Often, no. Ceramic, porcelain, and natural stone over a concrete slab can usually be treated in place with our soak treatment, and clay and concrete pavers with the Odor Encapsulator. Removal is usually recommended when urine has reached the subfloor or concrete underneath, or when contaminated tile is over a wood subfloor.

How long does the soak treatment take?

24 hours is standard. Severe and extreme cases get 48 or 72 hours.

Can you soak-treat tile on a second floor?

As a rule, no. The soak treatment is generally used on tile over a concrete slab. Tile on raised foundations or second floors sits on a wood subfloor, so those floors are usually evaluated for removal and subfloor treatment instead. The inspection determines what’s right for your floor.

What happens to the grout?

The soak treatment reaches into the grout, and the tile and grout are cleaned and rinsed afterward. Grout sealing is available as an additional service.

Is the soak treatment guaranteed?

No. It’s very effective and lets you keep your existing floor, but it isn’t covered by our 5-Year Odor-Free Guarantee. Pavers treated with the Odor Encapsulator are covered.

Do you treat clay pavers?

Yes — Spanish, Mexican, and other clay pavers, as well as concrete pavers. They’re cleaned, prepared, and sealed with our Odor Encapsulator. Clay flooring that’s staying in place and isn’t being sealed can be soak-treated instead.

What about porous or unsealed natural stone?

We decide case by case after the inspection. Depending on the stone and how deep the contamination goes, it may get the soak treatment or be sealed with the Odor Encapsulator.

Can I stay in my home?

If the treated room can be isolated with a containment barrier, yes. The treated area needs to stay clear during the process.

Get an Odor Inspection

Before you tear out a tile floor, find out whether it can be saved. The inspection identifies your tile type, what it’s installed over, how far the urine has gone, and which treatment fits.

Serving California since 1989

  • GROUT URINE ODOR REMOVER

  • HUMAN URINE ODOR REMOVER

  • SPANISH TILE URINE ODOR REMOVER

  • CLAY TILE URINE ODOR REMOVER

  • STONE TILE URINE ODOR REMOVER

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