Peeling, chipping, or lifting coatings need more than a fresh topcoat. Laval Concrete removes the failed system entirely, assesses and repairs the concrete slab underneath, then installs a new coating with proper mechanical prep and full-system application. The result holds because the foundation is sound.
Coating Over Coating Fails Faster Than the Original
When a garage floor coating peels or chips, the instinct is to sand it lightly and roll on a new coat. This approach fails within months because the new material bonds to the old failing coating, not to the concrete slab. The second failure comes faster than the first.
Real garage floor repair in Laval starts with mechanical stripping. Grinding or shot-blasting removes the failed coating entirely, exposing the slab. From there, any cracks, spalls, or moisture issues are addressed with targeted repairs before the new system goes down.
The coating that follows is applied as a complete system: primer, body coat, topcoat, in the right sequence and temperature. Epoxy for durability, polyaspartic for speed, or polished concrete for no coating at all. The choice depends on use and budget, but the prep is always the same: bare concrete, properly profiled.
Recent work
The repair sequence
How Garage Floor Repair Gets Done Right
Diagnose the failure mode
We inspect the floor with you, identify whether the failure is peeling, hot-tire pickup, moisture lift, or adhesion loss, and determine what substrate is salvageable and what must be stripped.
Mechanically strip the slab
Grinding or shot-blasting removes all failed coating and any loose material, exposing sound concrete. The slab is then tested for moisture and profiled to the right profile for the new system.
Repair concrete damage
Cracks are routed and filled with epoxy or polyurethane, spalled areas are patched with repair mortar, and the surface is cleaned and dried before coating application begins.
Install the full coating system
Primer, body coat, and topcoat are applied in sequence at the right temperature and humidity. The system cures fully before the garage is back in use, ensuring the bond holds under tire and temperature stress.
Choosing the right rebuild
Picking a New Coating System for the Repair
Once the slab is stripped and repaired, the choice of coating matters. The original system may have been the right product installed wrong, or it may have been the wrong choice for how the garage is used.
Budget-conscious homeowners often stick with epoxy if the first install was done properly this time. Those who cannot afford downtime switch to polyaspartic, which cures in hours. Homeowners tired of coatings altogether choose polished concrete, a sealed slab with no coating to peel. Each option is valid; the key is matching the system to the use and the budget.
Why coatings fail, what stripping involves, and how to avoid repeating the same mistake.
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 Laval 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.
Laval
★★★★★
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.
Repentigny
★★★★★
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.
Longueuil
★★★★★
Stripped the failed metallic coating and went polished instead. No more coatings to worry about, the slab itself is the finish now.
N. O.
Montreal
From the blog
Concrete Guides & Articles
Practical reading on planning, finishes and caring for concrete in Laval.
Tell us what is happening with your floor, peeling, chipping, or lifting, and we will visit, diagnose the failure, and send a written repair plan and quote within one business day.
