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Polished Concrete

Concrete Polishing in Marietta

A slab that is ground, densified, and sealed to a specified sheen, durable, clean, and finished to last.

  • Written Estimate
  • Surface-Prep Checklist
  • Documented Handover
A modern minimalist living space featuring a grey upholstered armchair and a small coffee table on a concrete floor, with a textured grey concrete wall and a wooden panel.

What Goes Wrong

Where concrete polishing fails, and how the right process avoids it

Skipped Grit Steps

Jumping grit levels leaves a visible scratch pattern in the slab that no sealer can hide.

Full Grit Sequence

Each pass runs in order from coarse to fine, removing the previous scratch pattern before moving up.

No Densifier Applied

Skipping the densifier leaves the concrete porous, so the sealer sits on a soft surface and wears fast.

Mid-Sequence Densifying

A chemical densifier is worked in mid-sequence to harden the matrix before the final sealer goes down.

Unassessed Slab Damage

Starting to grind without checking cracks and pits means repairs happen late, disrupting the grit sequence.

Condition Check First

The installer inspects hardness, cracks, stains, and moisture before any grinding begins, then repairs first.

Missed Edge Work

Perimeter zones the floor machine cannot reach are left rough, making the finish look patchy near walls.

Handheld Edge Grinding

A handheld grinder works the perimeter to the same grit level, keeping the finish consistent to the wall.

Scope of Work

What concrete polishing covers

From a basic grind-and-seal to a high-sheen finish, the scope depends on slab condition and the finish level you specify.

  • Garage Slab Polishing

    Ground and sealed to handle vehicle traffic and oil exposure.

  • Basement Floor Polishing

    Moisture-checked and sealed for below-grade conditions.

  • Commercial Floor Polishing

    High-sheen finish rated for heavy foot traffic.

  • Aggregate Exposure Finish

    Coarser grind to reveal the stone in the slab.

Grind, Densify & Seal

How concrete polishing works and whether your slab is a good candidate

Polishing refines the slab itself rather than covering it, existing cracks, stains, or patches may still show, and the assessment stage is where that gets confirmed.

The installer starts with a slab condition check. Marietta garages and basements vary widely in concrete hardness, crack history, and surface contamination, and those factors determine which grit to start at and how much aggregate will be exposed at the finished level. Cracks and pits are repaired before grinding begins so the diamond pads are working on a consistent surface.

Diamond abrasive pads progress through a coarse-to-fine grit sequence, typically starting at 30 or 50 mesh and finishing at 400, 800, or higher depending on the specified sheen. Each pass removes the scratch pattern left by the previous grit. Edge work with a handheld grinder covers perimeter zones the floor machine cannot reach, keeping the finish consistent to the wall.

A chemical densifier is applied mid-sequence to harden the concrete matrix and reduce porosity. This step improves abrasion resistance and makes the final sealer or stain guard more effective. Once the target finish level is reached, the installer performs a moisture check and applies the sealer. You receive a written record of the grit progression and materials used.

Request Your Estimate

Why Choose Us

Why choose us for concrete polishing in Marietta

Every job is backed by written documentation at each stage, from the first estimate to the final handover.

  1. Itemized Written Estimate

    You receive a written estimate listing materials, grit progression, and cure times before any work is scheduled.

  2. Surface-Prep Checklist Included

    Every estimate includes a checklist covering grinding, degreasing, and crack repair so nothing is left unconfirmed.

  3. Documented Handover

    A curing inspection is completed at the end of the job, and a written record of materials used is handed to you.

  4. Vetted Local Installers

    We connect you with vetted independent local partners who work on Cobb County slabs regularly.

  5. No Work Booked Without Agreement

    Nothing is scheduled until you have reviewed and agreed to the written estimate, no surprises on scope or cost.

A stylish and spacious hallway featuring grey painted walls with white marble wainscoting, white doors with ornate frames, and a patterned terrazzo floor.
A tradesperson in yellow safety boots stands in wet, self-levelling screed, with a hose pouring more material and a levelling tool visible.

How It Works

From enquiry to finished floor in three steps

Request Your Estimate

  1. 01

    Submit Your Details

    Tell us about the slab, size, condition, and finish level, and we’ll match you with a vetted local installer in Marietta.

  2. 02

    Receive a Written Estimate

    The installer assesses the slab and provides an itemized written estimate covering materials, grit sequence, and cure times.

  3. 03

    Grinding, Sealing & Handover

    The installer completes the full grit progression, applies the sealer, and hands over a written record of all materials used.

Pricing Estimates

Typical Concrete Polishing Prices

JobTypical cost
Basic polish$3-$6 per sq ft
Standard polished concrete$6-$9 per sq ft
High-gloss polish$9-$15 per sq ft
These prices are estimates and often vary with the condition, size and scope of each job. Message or call us for a free, no-obligation quote.
See all prices

Common Questions

Questions about polished concrete floors

  • How long does a polished concrete floor last?

    A correctly densified and sealed polished floor typically lasts decades with routine damp mopping. The densifier hardens the surface at a chemical level, so there is no topcoat to peel or reapply. Longevity depends on the grit sequence used and whether the densifier step was completed properly.

  • Can an existing slab be polished, or does it need to be new concrete?

    Existing slabs can be polished as long as they are structurally sound. Cracks and spalling are repaired at the coarse-grit stage. Very soft or heavily contaminated concrete may need additional prep passes, which the installer will note in the written estimate after assessing the slab.

  • What happens if the densifier step is skipped?

    Without densification, the surface stays porous and begins shedding fine dust within months of use. The floor will also scratch more easily and absorb stains faster. Skipping this step is the most common reason polished concrete floors underperform, it cannot be corrected without re-grinding.

  • Does Marietta’s humidity affect the polishing process?

    High humidity slows the densifier’s reaction time and can affect how the penetrating sealer cures. The installer accounts for Cobb County’s seasonal conditions when scheduling and will not apply sealer if surface moisture readings are outside the acceptable range.

  • How do I maintain a polished concrete floor?

    Routine damp mopping with a pH-neutral cleaner is all that is needed. No wax, no topcoat reapplication. Avoid acidic cleaners, vinegar or citrus-based products will etch the surface over time. The penetrating sealer applied at the end of the job handles everyday staining without a surface film.

  • What sheen level should I choose for a home floor?

    Satin finish is the most common residential choice, it shows the concrete’s character without the upkeep demands of a high-gloss surface. High-gloss suits showrooms and open-plan areas with low foot traffic. The sheen level is written into the estimate before work starts, so there are no surprises.

More questions about Concrete Polishing?

Get an Itemized Estimate for Your Floor

Tell us about the slab and we’ll arrange a local installer to assess it and quote materials, grit progression, and cure times in writing.

Request Your Estimate