You have finished the job. The floor looks incredible. You touch it with your finger, and it feels rock hard. So, you open the garage door and drive your car in. The next morning, you back the car out, and four black rectangles of paint rip right off the concrete, sticking to your tyres.
You just fell victim to the difference between "Dry" and "Cured." Just because a floor feels hard doesn't mean the chemical reaction is finished. Resin floors take days, sometimes weeks, to reach their full strength.
Here is the timeline of curing, and the strict rules you need to follow to avoid ruining your hard work.
Phase 1: Touch Dry (6-12 Hours)
This is the "Dust Free" phase.
- Status: The resin is no longer sticky. Flies and dust won't stick to it.
- Can I Walk on it? NO. If you step on it now, your weight will leave a permanent indentation or dull mark, even if the paint doesn't stick to your shoe.
Phase 2: Light Foot Traffic (12-24 Hours)
The floor is now hard enough to support weight, but the surface is still easily scratched.
- Status: You can walk on it to inspect it or remove masking tape.
- Can I Drive on it? NO.
- Rules: Do not drag heavy equipment (tool chests, fridges) across the floor. Do not twist your feet aggressively.
Phase 3: Serviceable / Light Traffic (48-72 Hours)
The floor is now mechanically strong. It can handle impacts and general use.
- Status: You can move your workbench back in (lift, don't drag). You can open the warehouse to pallet trucks.
- Can I Drive on it? MAYBE (Risk Zone). Many people drive on it now, but you are risking "Hot Tyre Pickup". If you must park, put pieces of cardboard under the tyres.
See our blog on Hot Tyre Pickup for more information.
Phase 4: Full Chemical Cure (7 Days)
This is the invisible finish line. Although the floor felt hard 5 days ago, the molecular chains were still tightening. At 7 days, the cross-linking is 100% complete.
- Status: The floor is now impervious to oil, chemicals, and water.
- Can I Drive on it? YES.
The "Hot Tyre Pickup" Danger
Why do you have to wait 7 days for a car? It’s not the weight of the car; it’s the Chemistry of the Tyres.
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Heat: When you drive, your tyres get hot. When you park, that heat transfers into the epoxy. Heat softens uncured resin.
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Plasticisers: Tyres contain oils and plasticisers to keep the rubber soft.
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The Bond: If the epoxy isn't fully cured, the plasticisers in the tyre migrate into the resin and fuse the two together.
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The Rip: When the tyre cools, it contracts. When you reverse the car, the bond is so strong that it delaminates the epoxy from the concrete.
The Rule: If you value your floor, wait the full 7 days before parking a vehicle on it.
The Exception: Polyaspartic (The 1-Day Floor)
If you cannot wait 7 days (e.g., a 24-hour car park or a busy loading bay), you cannot use Epoxy. You must use Polyaspartic Technology.
- Epoxy Cure: 7 Days.
- Polyaspartic Cure: 24 Hours. Because Polyaspartic cures via a completely different reaction, it reaches full chemical hardness in just one day. You can paint it on Saturday and park a 2-ton truck on it on Sunday.
Variables: Cold Weather Delays
Warning: All the times above are based on 20°C. If you are painting in winter (10°C), as a general rule of thumb, you can double the cure times.
- Light Traffic: 24 → 48 Hours.
- Full Cure: 7 → 14 Days.
Conclusion
Patience is the final step of the installation. Don't rush the car. Park on the driveway for a few more days. If it feels hard, give it another day. If it feels cured, give it two more.
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