how to maintain tiles

Good maintenance for lasting tiling

A practical guide to cleaning, grout care, and preventative habits that keep your tiling looking like new – for decades.
June 7, 2025 – Dakom Tiling – 6 min read

Good tiles are a long-term investment – but only if you look after them. The difference between tiles that last 10 years and tiles that last 50 often comes down to simple, consistent maintenance habits.

Whether you have ceramic floors in the kitchen, porcelain in the bathroom, or natural stone on a feature wall, the same principles apply: clean regularly, protect the grout, and avoid the products that do more harm than good. Here’s everything you need to know.

1. Regular Cleaning – The Foundation of Tile Longevity

Consistent, gentle cleaning prevents the buildup of grime, soap scum, and mineral deposits that are far harder to remove once they’ve set. The good news: you don’t need aggressive chemicals – just the right technique done regularly. For a comprehensive NZ-specific guide covering hard water deposits, grout haze, and tile-specific tips, see Tile Warehouse NZ’s cleaning and maintenance guide.

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Sweep or Vacuum First
Remove loose dirt and debris before mopping. Grit left on the surface acts like sandpaper underfoot, gradually dulling and scratching even hard-wearing porcelain.
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Mop with pH-Neutral Cleaner
Use a damp – not soaking wet – microfibre mop with a pH-neutral tile cleaner. Excess water pushes moisture into grout lines and can cause staining or debonding over time.
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Dry After Mopping
Buff glazed tiles dry with a clean cloth after mopping to prevent water spots and streaking, particularly on polished porcelain and glass tiles where marks show easily.
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How Often?
High-traffic floors: sweep daily, mop weekly. Bathroom tiles: wipe down after use to prevent soap scum, deep clean fortnightly. Natural stone: clean more frequently as it’s more porous.
Pro Tip

Always test a new cleaner on a small, hidden area first – especially on natural stone, which reacts badly to acidic or alkaline products. When in doubt, plain warm water and a microfibre cloth are the safest option for any tile type.

2. Grout Care – The Most Overlooked Part of Tile Maintenance

Grout is porous, which makes it a magnet for dirt, mould, and staining. It’s also the first thing people notice when tiles look tired – even if the tiles themselves are in perfect condition. Looking after your grout is just as important as cleaning the tiles.

Regular Grout Cleaning

Use a stiff grout brush (or an old toothbrush for tight spaces) with a dedicated grout cleaner or a paste of baking soda and water. Scrub along the grout lines, leave for a few minutes, then rinse clean. For mould or mildew, a diluted white vinegar solution works well – but avoid vinegar on natural stone tiles or marble grout, as it will etch the surface. ABI Bathrooms NZ has a step-by-step guide to grout cleaning including natural stone warnings.

Sealing Your Grout

Unsealed grout absorbs everything – spills, cleaning products, moisture. A quality penetrating grout sealer applied after installation creates a protective barrier that repels staining and slows moisture absorption. Reseal grout in wet areas every 1-2 years and in dry areas every 3-5 years, or whenever water stops beading on the surface. For product guidance and DIY sealing instructions, Bunnings NZ offers clear step-by-step advice.

Regrouting When Needed

Cracked, crumbling, or deeply discoloured grout can’t always be saved by cleaning. When grout begins to fail, regrout promptly – deteriorating grout allows moisture behind the tiles, which leads to debonding, mould in the substrate, and far more costly repairs. A professional tiler can regrout efficiently without disturbing the tiles themselves.

Keep in Mind

“Dirty grout is the most common reason homeowners think their tiles need replacing – when in fact a thorough clean and reseal can make a 10-year-old floor look brand new. Don’t write off your tiles before you’ve tried proper grout restoration.”

3. Preventative Habits – Small Actions That Make a Big Difference

The most effective tile maintenance happens before damage occurs. These simple preventative measures protect your investment on a daily basis.

  • Address spills immediately – blot (don’t wipe) spills as soon as they happen. Wiping spreads the liquid; blotting lifts it. This is especially important on natural stone and unglazed tiles, which absorb liquids rapidly.
  • Use doormats at all entrances – most dirt and grit that damages tile surfaces is tracked in from outside. A good-quality doormat catches the bulk of it before it reaches your floors.
  • Fit furniture pads – use felt glides or rubber pads under all furniture legs. Dragging chairs or tables across tiles is one of the most common causes of surface scratches and chipped edges.
  • Squeegee shower walls after use – a 30-second squeegee after each shower dramatically reduces soap scum and hard water deposits on bathroom tiles, cutting down deep-cleaning frequency significantly.
  • Ventilate wet areas well – good airflow in bathrooms and kitchens reduces the humidity that feeds mould growth in grout. Use exhaust fans during and after showering or cooking.
  • Re-seal natural stone annually – marble, limestone, travertine and slate are all porous. A fresh penetrating sealer once a year maintains their stain resistance and preserves their appearance.

4. What to Avoid – Products and Habits That Damage Tiles

Many of the most commonly used household cleaners are actually harmful to tiles and grout. Knowing what not to use is just as important as knowing what to use.

Important Warning

Damage caused by the wrong cleaning products is often irreversible – etched stone, bleached grout, and stripped sealers cannot simply be undone. When trying a new product, always read the label and check it’s rated safe for your specific tile type.

  • Bleach and ammonia-based cleaners – these strip grout sealers, discolour coloured grout, and can dull the surface of glazed tiles over time. They’re not suitable for routine tile cleaning.
  • Acidic cleaners (vinegar, lemon juice, descalers) – acids etch natural stone permanently and dissolve calcium-based grout. Never use acidic products on marble, limestone, travertine, or terracotta.
  • Abrasive scrubbers and steel wool – scouring pads scratch glazed tile surfaces and polished porcelain, leaving micro-abrasions that trap dirt and dull the finish.
  • Excessive water when mopping – flooding tiles forces water under grout lines and into the substrate, leading to mould, efflorescence, and eventually tile debonding – particularly on timber subfloors.
  • Oil-based soaps on natural stone – products like Murphy’s Oil Soap leave a film on porous stone that attracts dirt and can be very difficult to remove.
  • Steam cleaners on epoxy grout – high-pressure steam can soften and lift epoxy grout joints. Check manufacturer guidance before using steam on any grout type.

5. By Tile Type – Specific Maintenance for Different Materials

Not all tiles are maintained the same way. Here’s a quick reference by material type. For a deeper look at how the five main tile types used in New Zealand homes each require different care, Inspire Tiling NZ covers each material in practical detail.

Tile Type
Cleaning Method
Sealing Required?
Avoid
Ceramic
pH-neutral cleaner, damp mop
Grout only
Abrasive pads
Porcelain
pH-neutral cleaner, microfibre mop, buff dry
Grout only
Excess water, acidic cleaners
Marble
Stone-safe cleaner only, dry immediately
Yes – annually
Vinegar, lemon, bleach
Slate / Granite
Stone cleaner, rinse well, dry
Yes – every 1-2 years
Acidic products, oily soaps
Terracotta
Warm water, specialised terracotta cleaner
Yes – frequently
Any acid, excess water

6. When to Call a Professional – Signs Your Tiles Need Expert Attention

Some tile problems go beyond what regular maintenance can fix. Recognising these early saves significant repair costs:

  • Hollow or loose tiles – a tile that sounds hollow when tapped has lost its adhesive bond. This won’t fix itself and will eventually crack under foot traffic. A professional can re-bond or replace individual tiles without disturbing the surrounding area.
  • Cracked or missing grout – particularly in wet areas, failed grout allows moisture behind the tiles. This leads to mould in the substrate and, over time, complete tile failure. Regrout as soon as cracks appear.
  • Efflorescence (white salt deposits) – a white powdery residue appearing on tile surfaces or grout indicates moisture moving through the substrate. This needs a professional assessment to identify and address the moisture source.
  • Persistent mould despite cleaning – if mould keeps returning after cleaning, it’s likely established in the substrate behind the tiles, not just on the surface. This requires professional remediation.
  • Chipped or cracked tiles – beyond being unsightly, cracked tiles in wet areas allow water infiltration. Individual tiles can often be replaced by a skilled tiler without a full floor rip-out.

For any of these issues in the Auckland area, the team at Dakom Tiling can assess and advise – with the expertise of a TANZ-registered professional. For specialist deep cleaning, recolouring, and grout sealing services across New Zealand, GroutPro NZ is a dedicated tile and grout restoration service worth contacting.

Real Questions Homeowners Ask About Tile Care

Almost certainly, it can be saved, and this is one of the most common concerns homeowners raise online. Regular mopping rarely cleans grout – it mostly cleans the tile surface and pushes dirty water into the grout lines, making things worse over time. Grout is porous and absorbs dirt, moisture, and cleaning product residue, so surface mopping doesn’t touch what’s embedded deeper. The fix is a proper deep clean using a dedicated grout brush and a pH-neutral grout cleaner, left to dwell for 10-15 minutes before scrubbing. For stubborn staining, a paste of baking soda, hydrogen peroxide, and a small amount of dish soap applied to the lines and left for 15 minutes works well on ceramic and porcelain. Once clean and dry, sealing the grout is essential – without a sealer, it will re-stain almost immediately. In most cases a thorough clean and reseal makes a 10-year-old floor look completely renewed, without any regrout or replacement needed.

Vinegar is widely recommended online and works well in specific situations – but it is genuinely harmful in others, and this distinction is important. On ceramic and porcelain tiles, a diluted vinegar solution is effective against soap scum, hard water deposits, and light staining. However, vinegar is acidic, and acid permanently etches natural stone. Never use vinegar on marble, limestone, travertine, or terracotta – even a diluted solution will dull the surface and over time cause visible damage that cannot be reversed. Vinegar also degrades cement-based grout if used regularly, gradually dissolving the surface and making the joints more porous and harder to keep clean. The safest routine cleaner for any tile type is a pH-neutral tile cleaner – it’s effective, won’t damage any surface, and is what professional tilers recommend for regular maintenance.

Based on real homeowner experience, the answer for heavily soiled grout is usually yes – and the results often surprise people. DIY cleaning with brushes and household products can maintain grout well if done consistently, but once staining has built up over the years, most household methods can’t extract what’s embedded deep in the pores. Professional cleaning uses high-temperature extraction equipment that physically lifts dirt out of grout rather than just treating the surface. The most common feedback is that people wish they’d done it sooner, and that the difference is most noticeable in grout that’s been neglected for several years. After a professional clean, applying a good grout sealer yourself maintains the result for considerably longer. For heavily used bathrooms or kitchens, a professional clean every few years combined with regular DIY maintenance in between is the most practical approach.

If mould keeps returning shortly after cleaning, the problem is almost certainly moisture rather than cleaning technique. Mould needs sustained humidity to grow, so the real solution is reducing how long surfaces stay wet rather than cleaning more aggressively. The most effective habits are squeegeeing shower walls for 30 seconds after every use, leaving the shower door or curtain open afterwards, and running the exhaust fan during and for at least 15 minutes after showering. If mould returns within days of cleaning despite good ventilation habits, it may be established in the substrate behind the tiles – not just on the surface – which requires professional assessment. Using bleach to kill mould looks effective initially, but strips grout sealers and makes the surface more porous, which actually speeds up the next mould growth. The better approach is a mould-specific cleaner, thorough drying, and resealing the grout once clean and dry.

This is one of the most common questions on home improvement forums, and the good news is that replacement is usually the last resort rather than the first. The clearest signs that you genuinely need to replace tiles are: cracking through the tile body itself (not just surface chips), tiles that sound hollow when tapped (meaning the adhesive bond has failed beneath), or persistent water damage to the substrate beneath caused by long-term waterproofing failure. Discoloured, stained, or cracked grout on its own almost never means the tiles need replacing – regrouting is a fraction of the cost, and a skilled tiler can do it without disturbing the surrounding tiles. Similarly, tiles that look dated or dull are often candidates for a professional deep clean and reseal rather than replacement. The rule of thumb: if the tile itself is intact and the substrate is sound, clean, or regrout first. Only replace when the tile or the waterproofing beneath it has actually failed.