# Common Epoxy Floor Problems & Fixes | Jacksonville Guide > Peeling, hot tire pickup, delamination, scratches, and yellowing — root causes and how each epoxy floor problem is fixed. URL: https://epoxyflooringjax.com/guide/common-epoxy-floor-problems-fixes/ Last-Modified: 2026-05-19 ## Failing Floors Get Worse Fast We see this scenario play out every week with epoxy floor problems. A small patch of peeling epoxy is easy to ignore, until it spreads rapidly across your space. Our team knows that in humid US climates, a failing floor deteriorates fast. The longer the damage sits, the bigger the eventual fix becomes. We can fix most of these failures by first figuring out exactly why the floor failed. Diagnosing the core issue is the foundation of the repair services [/epoxy-repair/ →](/epoxy-repair/) you will receive from us on every single job. Our guide covers the most common failures, their root causes, and practical solutions. Let’s examine the data behind these issues and explore exactly how to repair them. ## Peeling and Delamination Peeling is the most alarming failure you can experience. We track these failures closely, and they typically trace back to two main root causes. The coating simply lifts away from the concrete slab, resulting in an ugly epoxy floor peeling scenario. ### Skipped or Inadequate Preparation Industry research shows that up to 80% of US epoxy failures stem from improper surface preparation. Our technicians see this frequently when a slab is acid-etched instead of diamond-ground. The coating never establishes a real grip on a poorly prepared surface. Under normal stress, it simply lets go and often peels in large sheets. ### Excessive Moisture from Below We always test for moisture because an unsealed slab acts like a sponge. Vapor pressure breaks the bond from underneath if the concrete has high moisture vapor transmission and no moisture barrier primer. Our standard practice follows the ASTM F1869 Calcium Chloride test for these situations. The US limit for a successful installation is 3 pounds of moisture per 1,000 square feet over 24 hours. Anything above that threshold requires a dedicated moisture barrier. We recognize that elevated moisture often shows up as widespread bubbling or osmotic blistering. The exact fix depends heavily on the cause and the extent of the damage. Localized, prep-related peeling can sometimes be patched and recoated. Our crew almost always recommends a full remove-and-redo with a proper moisture barrier for moisture-driven delamination. Finding a reliable delaminated epoxy fix means directly addressing the water pressure beneath the slab. Patching over a moisture problem just delays the inevitable failure. We look for three specific warning signs of moisture-driven delamination: - Widespread bubbling across the floor. - White mineral deposits forming under the blisters. - Clean concrete visible underneath a peeled section. ![A side-by-side of an identified epoxy failure mode with its root cause labeled](/images/content/a-side-by-side-of-an-identified-epoxy-failure-mode.webp) ## Hot Tire Pickup Hot tire pickup is the single most common failure you will encounter with residential garage coatings. The coating lifts in patches shaped perfectly like tire treads, right where your vehicles park. We see this issue constantly, and it is overwhelmingly tied to cheap DIY kits. Store-bought water-based kits yield a very thin, fragile layer. They typically dry to a thickness of just 2 to 5 mils. Our professional polyaspartic systems go on much thicker, usually between 15 and 30 mils, providing a massive difference in structural integrity. | Feature | DIY Water-Based Kit | Professional Polyaspartic | | --- | --- | --- | | Thickness | 2 to 5 mils | 15 to 30+ mils | | Heat Resistance | Low (Softens easily) | High (Maintains bond) | | Risk of Peeling | Very High | Negligible | Vehicle tires get incredibly hot during summer driving. Rubber temperatures can easily exceed 150°F on a hot day. We know that this intense heat causes the tires to release chemical plasticizers. These chemicals soften the low-quality, low-solids epoxy. When the tire cools and later moves, it peels the softened coating right off the concrete. Our repair strategy starts by grinding off the affected coating entirely. You then need to recoat the area with a real polyaspartic-grade topcoat. Patches on a decorative floor tend to remain highly visible. We often suggest a full recoat to give you the most visually appealing result. ## Scratches and Yellowing Two more common complaints involve surface wear and discoloration. ### Surface Scratches and Wear A high-traffic strip on any floor will eventually show surface wear. We evaluate this wear using the Shore D hardness scale, which is the industry standard for plastics and resins. Many 100% solid epoxies score between 80 and 90 on the Shore D scale, making them quite hard. Our preferred polyaspartic coatings typically score around 70 to 75, but they offer far superior flexibility. This flexibility prevents the coating from becoming brittle, allowing it to resist impact and scratching far better than rigid epoxy. Surface wear is usually cosmetic rather than structural, meaning the system remains securely bonded to the concrete. We can restore the surface with a simple topcoat refresh without redoing the entire floor. ### The Science of Yellowing A floor that has yellowed was almost certainly finished with bare aromatic epoxy. We see severe discoloration when these floors lack a UV-stable topcoat. Sun exposure causes a chemical reaction that breaks down the aromatic ring structures in standard epoxy. This creates molecules called chromophores, which permanently shift the color to a yellow or amber hue. Our solution is to apply an aliphatic, UV-stable polyaspartic topcoat. If the yellowing is already severe, a complete recoat is the only way to restore the original appearance. > **Every failure has a signature** > > Tire-shaped peeling means hot tire pickup. Widespread bubbling means moisture. Yellowing means UV on untopcoated epoxy. Reading the signature is how a proper repair starts. ## Matching the Problem to the Fix The right fix is never a simple one-size-fits-all scenario. It depends entirely on the failure mode and how much of the floor is compromised. | Problem | Likely cause | Typical fix | | --- | --- | --- | | Peeling in sheets | Skipped prep | Grind and rebuild | | Bubbling / blistering | Moisture, no MVB | Full redo with moisture barrier | | Tire-shaped peeling | Hot tire pickup, weak topcoat | Grind and recoat | | Surface scratches | Normal high-traffic wear | Topcoat refresh | | Yellowing | UV on bare epoxy | UV-stable topcoat | Our comprehensive guide on repair vs recoat [/guide/epoxy-floor-repair-vs-recoat/ →](/guide/epoxy-floor-repair-vs-recoat/) walks through that exact decision process. You need clear data to make the most cost-effective choice for your property. We always start with a thorough diagnosis, and that honest assessment guarantees the best long-term outcome. Contact a professional technician to evaluate your floor and map out your next steps today. Got Questions? ## Frequently Asked Questions What is the most common epoxy floor failure? Hot tire pickup. It shows up as the coating peeling in tire-shaped patches under where vehicles park, and it is almost always a failure of a DIY-grade topcoat with low solids content. Can I fix a failing epoxy floor myself? Small cosmetic touch-ups are possible, but most failures do not spot-repair well — visible patches rarely blend on a decorative floor. And if the root cause is moisture or skipped prep, a surface patch will not hold. Most failures need a professional recoat or redo. How do I know what caused my floor to fail? Each failure mode has a signature. Tire-shaped peeling means hot tire pickup. Widespread bubbling means moisture. Yellowing means UV on untopcoated epoxy. A professional diagnosis confirms the cause before any repair is recommended. ## Ready to talk to a locally owned epoxy contractor? Free same-day on-site estimates across Jacksonville. 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