NATIONALCONCRETE POLISHING

Service area · FL

Concrete polishing and epoxy floors in Miami

One point of contact for your floor in Miami. We work nationwide, with in-house crews in South Florida.

  • Since 2013
  • In-house crews in South Florida
  • Written price after a visit
  • Night and weekend work

Miami

Three Miami floors, and what happens first on yours

In Miami-Dade our own in-house crews do the work, driving down from our office at 2200 NW 32nd St in Pompano Beach. Downtown Miami is about 39 miles from there, about 51 minutes in free-flowing traffic. The Miami floors we can show are a 20,000 sq ft coating in a technical school's automotive bays, a 13,000 sq ft gallery floor polished to 800 grit, and a retail store with a decorative overlay.

On any Miami job the first step is the same. We test the slab for moisture and look at what is bonded to it now, because those two things decide which system can go down. A commercial quote carries a written handback date once the project conditions are defined.

The entrance of the retail store in Miami, its decorative overlay with glass chip aggregate running from the threshold into the sales floor

Our work

Work in Miami

  • Technical school automotive bays in Miami after installation: finished quartz floor under the vehicle lifts

    Miami, FL

    Technical school automotive bays

    A quartz traffic coat for floors where cars stand on lifts, laid across four buildings and finished in July 2026.

    Area
    about 20,000 sq ft
    System
    quartz traffic coat: primer, pigmented base, decorative quartz sand broadcast, high-traffic urethane top coat
    Prep
    diamond grind and clean
    Schedule
    finished July 2026; four buildings, five automotive spaces plus study rooms and a cafe
  • A warm polished floor with a grid of small grey patches across it, running away under gallery track lighting toward a lit doorway

    Miami, FL

    Art gallery

    About 13,000 sq ft of polished concrete, taken to 800 grit.

    Area
    about 13,000 sq ft
    System
    polished concrete, 800 grit
  • A pale terrazzo-look floor with fine glass aggregate running across a store during trading hours, past rolling racks and a seating bench

    Miami, FL

    Retail store

    A decorative overlay with glass chip aggregate in a Miami store, a pale terrazzo-look floor.

    System
    decorative overlay with glass chip aggregate

See all our projects

Polished concrete in Miami

No single sequence fits every slab, and the starting grit depends on the slab. A typical 800-grit job runs 30, 70 and 120 metal, then 50, 100 and 200 resin, a densifier, 400 and 800 resin, then a guard and a high-speed burnish. Metal-bond diamonds cut first and resin-bond diamonds refine.

The Miami gallery floor went to 800 grit, our common finish. 1,500 and 3,000 grit are upgrades when a project calls for them. A bare polished floor can be used the same day after the final clean. With a guard or sealer on it, allow about 24 hours.

Coatings

Epoxy, quartz and decorative floors in Miami

The technical school job covered about 20,000 sq ft across four buildings and five automotive spaces, plus study rooms and a cafe. We diamond ground and cleaned the slab, then built the system in layers: primer, a separate pigmented base, a broadcast of decorative quartz sand and a high-traffic urethane top coat. It was finished in July 2026.

The retail store got a different system: a decorative overlay with glass chip aggregate, which reads as a pale terrazzo-look floor.

Return to service depends on the system. An epoxy floor takes foot traffic in about 10 to 24 hours and wheels in 24 to 72 hours, and full cure takes about 7 days. For vehicles, forklifts, chemicals or washdown we use the longer manufacturer window. On a commercial job, the date you get the floor back goes into the written scope before we start.

What a Miami floor costs

For commercial floors, our published ranges per square foot are $6 to $12 for polished concrete, $8 to $14 for decorative flake, $10 to $18 for decorative quartz and $12 to $20 for metallic epoxy. On large commercial floors, prices start at $4 for polished concrete, $5 for decorative flake, $12 for decorative quartz and metallic epoxy and $20 for urethane cement.

In Miami the moisture reading is one of the first things that moves a price. The ground here is low, as described below, so a damp slab is a real possibility, and moisture treatment can add cost and time. Old adhesive or coating, repairs, dye, edge work and small areas add to a polishing price.

For homes and garages, we measure the area, check the prep and the system you choose, and send one written price after we see the floor.

What is different here

  1. Low ground under the slab

    The U.S. Geological Survey describes the Miami-Dade area as low-lying, with land surface averaging approximately 1.5 meters (about 5 feet) above mean sea level, and the aquifer beneath it as prone to saltwater intrusion because of the coast and that low topography. A slab on ground that low is closer to the aquifer than one on higher ground, so moisture from below is a normal thing to check in Miami. So a moisture test comes before our price on a Miami coating job. The test itself is explained on our South Florida page.

  2. Humid mornings all year

    The Florida Climate Center's relative humidity normals for Miami show morning averages of 78 to 86 percent in every month, 82 percent for the year, with afternoons at 55 to 66 percent. Air that humid has a dew point close to its own temperature. What that means for a coating is explained on our South Florida page.

Where we work

Our in-house crews cover Miami-Dade and Broward counties routinely, and Palm Beach County too. Downtown Miami is about 51 minutes from the Pompano Beach office in free-flowing traffic. Aventura, in the north of the county, is about 35 minutes away and Homestead, in the south, about 89, also in free-flowing traffic.

The rest of South Florida has its own pages: South Florida covers the three counties together, and Fort Lauderdale and Pompano Beach cover Broward.

Common questions

Yes. The ground in Miami is low, so we test the slab before we price a coating. A wet slab can need moisture treatment, which adds cost and time.

Yes, when the project calls for it. 800 grit is our common finish, and 1,500 and 3,000 grit are upgrades. The Miami gallery floor was taken to 800 grit.

In South Florida, our own in-house crews do the work. Projects in other markets depend on scope and location, and on what it takes to mobilize a crew. Either way, the estimator who priced your job stays on as your contact until closeout.

About 20,000 sq ft across four buildings and five automotive spaces, plus study rooms and a cafe. We diamond ground and cleaned the slab and laid a quartz traffic coat with a high-traffic urethane top coat. It was finished in July 2026.

It is dealt with in the prep, before the new system goes on. What has to come off, and what that does to the price and the schedule, is written into the scope.

Something we did not answer?Call +1 844-876-5474

Send us the Miami address

Send the address and the approximate square footage. We visit, test the slab for moisture and send one written price. We call back within one business day.

Step 1 of 2: About the floor

  1. Step 1: About the floor
  2. Step 2: How to reach you
About the floor

We will tell you straight away how your area is covered.

The visit and the written price are free. No mailing list.

We call back within one business day.

How to reach you

The visit and the written price are free. No mailing list.

We call back within one business day.