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Concrete resurfacing vs full replacement

Not every worn concrete slab needs to be torn out. Resurfacing applies a new topping over existing concrete to fix surface wear, minor cracking, and discoloration, while replacement means removing the old slab and pouring new. Which one applies depends on what's happening underneath the surface, not just how the concrete looks.

A contractor evaluating a driveway, walkway, or patio for this will check the slab's thickness, whether cracks go all the way through, whether sections have settled or heaved unevenly, and the condition of the base material underneath. Surface flaking, minor hairline cracks, and faded color are usually resurfacing candidates. Cracks that have shifted out of plane, large gaps, or repeated frost heave point toward replacement.

  • Resurfacing: cosmetic wear, shallow cracking, spalled or pitted surface, still structurally sound
  • Replacement: cracks through the slab, uneven settling, drainage running the wrong direction, base failure

Buyers should expect the contractor to explain which category their concrete falls into and why, rather than defaulting to the more expensive option.

What it costs

Resurfacing is generally less involved than a full replacement since it skips demolition, removal, and disposal of old concrete, but it only works when the existing slab and base are sound. Full replacement costs scale with square footage and with how much base preparation is needed underneath, and adding a decorative finish (stamped or exposed aggregate, for instance) adds to either option.

Top 3 by our score

Ranked from our published scoring of public Google reviews for concrete & flatwork.

  1. 1. Sunun Masonry LLC
    5.0★ · 125 reviews
    92
  2. 90
  3. 3. Joe Carvalho masonry llc
    5.0★ · 86 reviews
    90

See the full ranking → · Browse all providers

FAQ

Can a cracked driveway be resurfaced instead of replaced?
Sometimes. If the cracks are shallow and the slab itself is stable, resurfacing can restore the surface. If cracks run through the slab or sections have shifted, resurfacing won't hold and replacement is the better route.
How long does resurfaced concrete last compared to a new pour?
A resurfaced overlay generally has a shorter lifespan than a full new slab because it depends on the condition of what's underneath it. A contractor can give you a better sense once they've assessed your specific slab.
What usually forces a full concrete replacement instead of a patch?
Frost heave, a failing base layer, cracks that have shifted out of alignment, or drainage problems built into the original pour are the common reasons a patch or resurfacing job won't hold long term.