Peeling, chipping, or lifting coatings need more than a fresh topcoat. We strip the failed system to bare concrete, assess and repair the slab underneath, then rebuild the coating with the mechanical prep and full-system install that should have happened the first time. The result holds because it bonds properly.
The coating itself is rarely the culprit. In nearly every case, the slab was sealed, dusty, or moisture-laden when the original coating went down. A coating cannot bond to a surface it cannot wet, so it peels at the tires within months or a season.
Stripping the failed coating back to bare concrete is the first step. Once exposed, we check the slab for cracks, pitting, and moisture. Epoxy and polyaspartic coatings both require a mechanically profiled surface to bond. Without that prep, even the best product fails.
The rebuild uses the right sequence: mechanical prep, moisture test, primer, body coat, topcoat, and proper cure time. Polished concrete is another option if you want no coating at all. Metallic epoxy offers a showroom look if aesthetics matter. The key is doing it correctly the second time.
Recent work
The repair sequence
How Garage Floor Repair Gets Done Right
Inspect and diagnose
We examine the peeling or chipped coating, identify the failure mode (poor prep, moisture, slab damage), and determine what must be removed versus what can remain.
Strip the failed coating
Mechanical grinding or shot-blasting removes the failed coating and any loose material, exposing the concrete slab so we can assess its condition.
Repair the slab
Cracks are routed and filled, spalled areas are patched with repair mortars, and moisture is tested to ensure the slab is ready for a new coating system.
Install the new system
Primer, body coat, and topcoat go on in sequence at the right temperature and humidity, with proper cure time between coats so the coating bonds and performs as designed.
Avoid the same failure
Coating Over Peeling Concrete Doesn't Work
Applying a new coat over a peeling coating is a temporary fix that fails faster than the original. The new coating lifts wherever the old one is lifting because there is no bond to the slab underneath.
Real repair means stripping back to bare concrete, assessing the slab, and rebuilding the system properly. Sometimes the original coating choice was correct but installed wrong. Other times, polyaspartic is a better choice for a busy garage, or polished concrete if you want to eliminate coatings altogether. Epoxy remains the standard when cost and durability matter equally. The difference is that this time, the prep is done right.
Common questions about why coatings fail, what repair involves, and how to prevent the same problem.
Almost always because the slab was not mechanically prepped before the coating went on. Coatings rolled over a sealed or dusty slab cannot bond, and they peel at the tires within a season. The fix is to strip back and prep properly the second time.
No, and no honest installer would. A coat over a peeling coating just delays failure; the new coat lifts wherever the old one is lifting. Real repair strips back to bare concrete first, then rebuilds the system properly.
Depends on why the first one failed and how you use the garage. Often the original choice was right, just installed wrong. Sometimes a different system, polyaspartic or polished, is the better fit for the use.
Yes. Cracks are routed and filled, spalled and pitted areas are patched with repair mortars matched to the coating that will go over, and the surface is profiled fresh so the new system bonds to sound substrate.
Usually a few days from strip-back through new install, depending on coating type and cure windows. Polyaspartic rebuilds finish in about a day; epoxy takes longer to fully cure for vehicles.
Homeowner reviews
What Oshawa Homeowners Say About Their Garage Floor Repairs
Previous epoxy peeled by the door within months. They ground it all back, prepped right, and re-installed the same brand of product. Two years later still solid where the original lasted one season.
S. T.
Oshawa
★★★★★
Switched from a basic epoxy to polyaspartic during the repair because we cannot afford the downtime again. Done in a day this time, has held up perfectly.
C. L.
Durham
★★★★★
Honest assessment that the failure was prep, not product. Repair was thorough, the new floor bonds to the slab like it should have the first time.
L. A.
Mississauga
★★★★★
Stripped the failed metallic coating and went polished instead. No more coatings to worry about, the slab itself is the finish now.
N. O.
Toronto
From the blog
Concrete Guides & Articles
Practical reading on planning, finishes and caring for concrete in Oshawa.
Tell us what is happening with your coating, peeling, chipping, or lifting, and we will visit, diagnose the failure, and send a written repair plan and quote within one business day.
