Quick answer: Sealed and polished concrete floors are durable, but they still need care. Daily dust mopping or sweeping removes grit that dulls the surface, regular auto-scrubbing with a neutral or concrete-specific cleaner keeps it clean without damaging the finish, periodic burnishing restores shine on polished floors, and sealed floors need resealing when the coating wears. Avoiding acidic and harsh cleaners is one of the most important rules.
Polished and sealed concrete has become popular in offices, retail, restaurants, lobbies and warehouses because it looks modern and lasts. It’s often sold as “low maintenance,” which is true compared with many floors. But “low maintenance” isn’t “no maintenance,” and skipping the basics leads to dull, stained floors well before their time.
Polished vs. Sealed Concrete: What’s the Difference?
- Polished concrete is mechanically ground and honed, often with a densifier that hardens the surface. The shine comes from the concrete itself. A guard or protective treatment may be applied on top.
- Sealed concrete has a coating, such as an acrylic, epoxy or polyurethane, applied on top. The coating provides the shine and protection, and it wears over time.
Knowing which you have matters, because the right maintenance products and frequency are different.
What Damages Concrete Floors
Grit
Sand and dirt act like sandpaper under foot traffic and carts, dulling polished floors and scratching coatings.
Acidic substances
Many common spills, including soft drinks, juice, vinegar-based products and some cleaners, can etch concrete, leaving dull spots.
Oils
Concrete is porous. Oil and grease can soak in and leave dark stains if not cleaned quickly.
Winter salt
Tracked-in de-icing salt leaves white residue and can damage both concrete and sealers if left to build up.
Wrong cleaners
Harsh, high-alkaline or acidic cleaners can strip guards and sealers or etch the surface. Residue-heavy products leave floors hazy and slippery.
A Practical Maintenance Routine
Daily
- Dust mop or sweep to remove grit
- Clean spills promptly, especially acidic liquids and oils
- Keep entrance matting clean and in place
Weekly or more in busy spaces
- Auto-scrub or damp mop with a neutral or concrete-specific cleaner
- Use soft pads that won’t scratch the surface
Periodic
- Polished concrete: burnish with appropriate pads to restore gloss
- Sealed concrete: inspect for wear in traffic lanes and plan resealing before the coating wears through
- Deep scrub to remove ground-in soil and salt residue, especially after winter
Signs Your Concrete Floor Needs More Than Cleaning
- Traffic lanes visibly duller than the rest of the floor
- Coatings peeling, flaking or worn through
- Stains that don’t come out with deep scrubbing
- Water soaking in rather than beading on sealed floors
These usually mean it’s time for re-honing, re-guarding or resealing by a specialist.
Frequently Asked Questions
Can I use regular floor cleaner on polished concrete?
Use a neutral pH or concrete-specific cleaner. Many general-purpose products are too harsh or leave residue.
How often should sealed concrete be resealed?
It depends on the type of sealer and traffic. High-traffic areas wear sooner. Regular inspection is the best guide.
Does polished concrete need wax?
Usually not. Some floors use a protective guard, but traditional wax isn’t generally recommended on polished concrete.
Is concrete slippery when wet?
Polished concrete can be slippery when wet or contaminated, like most smooth floors. Good matting, prompt spill cleanup and residue-free cleaning help.
Protect Your Floor Investment
EcoPlanet Property Services cleans and maintains sealed and polished concrete for commercial properties across Greater Vancouver using scrubbers and eco-friendly products suited to concrete. Request a free quote or call 604-565-5238.
