Ultimate Guide to Polished Concrete Floors: Benefits, Installation, Maintenance, & More

Polished Concrete

 

For years, homeowners and businesses stuck to traditional options like tiles, carpets, or timber. But there’s a new star in the flooring world, polished concrete. Once seen as a rough, industrial material. Polished concrete has transformed into a modern favourite for homes, cafes, offices, and even high-end boutiques.

If you’re considering polished concrete floors. You probably have questions. Are they slippery? Do they crack? How much do they cost? And why is everyone suddenly obsessed with them? In this guide, we’ll walk through every detail you need to know.

What Is a Polished Concrete Floor?

Polished concrete is a concrete slab that’s been ground, polished, and sealed to create a smooth, reflective surface.

The process begins with raw concrete. A mix of cement, water, and aggregates like sand or gravel. After the slab is poured and cured (a 28-day waiting game). Professionals use diamond-encrusted grinders to strip away layers. Revealing the natural beauty of the aggregates beneath. Finally, a chemical densifier is applied to harden the surface and lock in that signature shine.

What sets polished concrete floors apart is their adaptability.

  • Rustic: Exposed aggregates for a textured, organic vibe.
  • Minimalist: A high-gloss finish for a sleek, modern look.
  • Industrial: Matte finishes that celebrate raw, unpolished edges.

Polished concrete floors aren’t just pretty. They’re tough. They resist scratches, stains, and heavy foot traffic. Making them ideal for everything from busy cafes to family homes.

Fun Fact: Polished concrete’s rise began in the 1990s when Tunisian workers accidentally polished a hardened slab instead of wet concrete. The mistake created a stunning finish, sparking a global trend. Today, it’s a go-to choice for designers and homeowners. Who wants a modern, minimalist look.

How Long Will Your Polished Concrete Floor Last?

One of the biggest selling points of polished concrete floors is their longevity. When installed correctly. These floors can last 30 years or more. To put that in perspective. Carpets typically need replacing every 5–10 years, and even hardwood floors require refinishing every decade.

But durability isn’t just about time. It’s about lifestyle.

  • Residential Use: In homes, a well-maintained floor can stay pristine for decades.
  • High-Traffic Areas: Heavy footfall in commercial spaces requires re-polishing.
  • High-Traffic Areas Maintenance In commercial spaces like retail stores or warehouses, occasional re-polishing might be needed after 10–15 years.
  • Installation Quality: Hiring experienced Polished Concrete Specialists ensures no cracks or unevenness.

With proper care, polished concrete floors can last 30+ years. Compare this to carpets (5–10 years) or vinyl (10–15 years). It’s clear why concrete is a long-term investment. The secret lies in proper installation and care. Hiring Polished Concrete Specialists ensures the slab is poured evenly.

Are Polished Concrete Floors Cold?

Polished concrete floors can feel cold, especially in winter. But this is a common characteristic of many hard flooring materials like tile or stone. While they do not provide the same warmth as carpet or wood.  Polished concrete has a high thermal mass. Which allows it to absorb and slowly release heat. This means that if exposed to sunlight during the day, they can retain warmth and release it at night.

To ease the cold sensation, homeowners use area rugs or install underfloor heating systems. Which can help maintain a comfortable temperature in colder months.  Polished concrete does not inherently make a room colder and can be effectively warmed with proper heating solutions.

Are Polished Concrete Floors Slippery?

This is a common concern, especially for homes with kids or seniors. The truth? Polished concrete can be slippery when wet. But only if it’s overly smooth. High-gloss finishes reduce friction. Water, oil, or spills amplify slipperiness.

Most installers add a slight texture during polishing to improve grip. For outdoor areas (like pool decks), a coarser finish is used to prevent slips.

Pro Tip: Ask your installer about anti-slip additives for bathrooms or entryways. A matte finish or exposed aggregate (tiny stones visible on the surface) also boosts safety.

  • Anti-Slip Additives: Mix silica sand or Aluminium oxide into the sealant.
  • Outdoor Safety: Use a honed finish (semi-smooth) for patios or pool areas.
  • Texture Matters: Go for a “salt and pepper” finish (lightly polished) or exposed aggregates for grip.

The NSCA recommends a slip-resistant rating of ≥P4 for commercial spaces. Most Polished Concrete Floors Australia installers meet this standard.

Is Outdoor Polished Concrete Different from Indoor Polished Concrete?

Yes, outdoor polished concrete is typically finished with a more textured surface to prevent slipping. This is especially important around areas like pools or patios. For outdoor settings, finishes, like honed concrete or grind and seal are preferred to provide a more durable and slip-resistant surface.

Are Polished Concrete Floors High Maintenance? Spoiler: No!

One of the major benefits of polished concrete floors is that they are low maintenance. Forget waxing, steaming, or refinishing. There’s no grout to scrub, no carpets to shampoo. Polished concrete is among the easiest flooring options to maintain.

How to Clean Polished Concrete Floors?

Cleaning polished concrete floors is simple. Here’s how you can keep them looking great.

  • Daily: Sweep to remove dirt and grit.
  • Weekly: Mop with water and a pH-neutral cleaner.
  • Every 2–3 years: Reseal to keep the floor protected and shiny.

Compare that to carpet, which costs 200–200–500 annually for professional cleaning. It’s easy to see why polished concrete is a budget-friendly choice.

Do Polished Concrete Floors Scratch Easily?

Polished concrete floors are highly durable and resistant to scratches. However, they are not impervious to damage. Here are a few things that could cause scratches:

  • Dragging metal furniture without felt pads.
  • Sharp impacts, such as dropping heavy objects.

In the case of minor scratches, professional concrete polishing can buff them out and restore the shine.

What Shouldn’t You Put on a Polished Concrete Floor?

While polished concrete floors are durable, they’re not invincible. Here’s what to avoid:

  • Harsh Chemicals: Bleach, ammonia, or acidic cleaners (like vinegar) can eat away at the sealant. Stick to pH-neutral solutions.
  • Rubber Mats: These trap moisture, leading to discolouration. Use breathable rugs or felt pads instead.
  • Dragging Heavy Furniture: Always lift, don’t slide chairs & tables to prevent scratches.

A Quick Pro Tip: Wipe spills immediately. Coffee, wine, or oil can seep into unsealed concrete. Leaving stubborn stains.

Can You Pour Concrete Over Old Concrete?

Yes, you can pour concrete over old concrete. But it’s not always the best choice. While it seems like an easy solution to fix worn, cracked, or faded floors. There are several important issues to consider before going down this path.

  • Bonding Issues: If the existing concrete isn’t properly prepared. The new layer of concrete will not bond well. This can lead to cracks developing more easily over time.
  • Cost: Pouring new concrete over the old slab can be more expensive. Especially when you consider the additional labour and materials required.
  • Height Difference: Adding a new layer of concrete will raise the floor level. Which can create uneven surfaces between rooms. This could cause logistical problems with doors, transitions, or even flooring in adjacent areas.

A better option is to grind and seal your old concrete floors. This process removes the worn top layer and leaves you with a fresh, smooth surface at a lower cost.

Another option is concrete screeding. Where the surface is ground back, and a screed is applied to give the floor a smooth, refreshed finish.

Both of these solutions are much more affordable than pouring new concrete.

Can You DIY Polish Concrete? (Spoiler: It’s Risky)

Sure, you could rent a grinder and try it yourself. But here’s why professionals are worth every penny:

  • Skill: Uneven grinding ruins the slab.
  • Tools: Industrial diamond grinders cost $5,000+ to rent.
  • Time: A small room takes 5–7 days for an amateur vs. 2–3 days for a pro.

Leave it to the experts. One wrong move could cost you the entire floor.

Can You Polish an Existing Concrete Slab? Yes!

Got an old, dingy garage or basement floor? Grinding and sealing it can breathe new life into the space for 30–50% less than a new pour. The process is as follows:

  1. Grind: Remove 2–3mm of the surface to eliminate stains or cracks.
  2. Polish: Refine the finish to your desired shine.
  3. Seal: Protect against future damage.

Pro Tip: Ensure the slab is structurally strong. Major cracks or moisture issues need fixing first.

Does Polished Concrete Need Sealing?

Sealing isn’t optional. It’s a must. The sealant:

  • Blocks stains from spills like coffee or wine.
  • Prevents moisture damage (critical in humid areas).
  • Enhances the floor’s natural shine.

Reseal Every 2–3 Years: High-traffic areas may need yearly touch-ups.

Can You Walk on Polished Concrete Right Away?

The short answer is yes. Once the concrete is polished and sealed. You can usually walk on it after 24 to 48 hours. However, it’s recommended to wait for 7 days before moving heavy furniture. To allow the sealant to fully harden.

Do Polished Concrete Floors Crack?

All concrete cracks over time. It tends to expand and contract with temperature changes, moisture levels, and weight. Over time, it causes stress on the surface, leading to cracks. It’s important to note that cracking is a normal characteristic of concrete. Not necessarily a sign of poor quality. But proper installation minimizes damage.

Here’s how cracking is controlled:

  • Control Joints: Grooves are cut into the slab to guide cracks in specific areas.
  • Hairline Cracks: Small cracks that appear naturally and can add character to the floor.
  • DIY Risks: Pouring concrete yourself can lead to excessive cracking, so it’s best to hire a professional.

By hiring polished concrete specialists, you can avoid excessive cracking and ensure your floor remains strong and attractive for years.

Warning: DIY pours often crack excessively. Always hire Polished Concrete Specialists for structural integrity.

How Much Do Polished Concrete Floors Cost in Australia?

Cost is a big consideration for anyone thinking about installing polished concrete floors. Here’s a breakdown of the costs in Australia.

Type of Installation Cost per m²
New Installation $50–$150
Overlay (on existing slab) $60–$120
Concrete per m³ $100–$150

Cost Comparison of Flooring Options in Australia

Flooring Type Cost per Square Meter (AUD)
Polished Concrete $50 – $100
Epoxy Flooring $60 – $120
Tiles (Basic) $30 – $50
Tiles (Mid-range) $70 – $150
Granite Flooring $100 – $250

Infinity Flooring: Polished Concrete Specialists in Perth

Are you ready to upgrade your space with the beauty and durability of polished concrete floors? Trust Infinity Flooring, Perth’s local Polished Concrete Specialists, to bring your vision to life. From consultation to flawless installation. We’re here to guide you every step of the way.

Contact us today for a free quote and discover why we’re the go-to experts for polished concrete floors Perth and beyond.

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