Grinding
- Diamond grinder opens the concrete profile
- Dust extracted, not spread
- Full coverage, including edges
A day of machine time. Ask if a quote includes it.

Both are good systems and we install both. The choice usually comes down to two practical things: how cold the space is, and how fast you need to use it again.
Side by side
| Standard epoxy | Polyaspartic | |
|---|---|---|
| Cure to foot traffic | About 24 hours | A few hours |
| Cure to vehicles | About 72 hours | About 24 hours |
| Application temperature | Needs a warmer substrate | Tolerates lower temperatures |
| UV stability | Can yellow in sunlight | Holds colour |
| Abrasion resistance | Good | Better |
| Cost | Lower | Higher |
| Typical use | Base coat, heated spaces | Topcoat, unheated garages, fast turnarounds |
| Slab prep required | Diamond grinding | Diamond grinding |
The part that does not change
The argument between systems is far less important than the question of how the slab was prepared. Acid etching is the reason coatings peel, and it is invisible in a quote unless you ask.
A day of machine time. Ask if a quote includes it.
Choosing
Preparation is the entire durability story.
Questions
No — different chemistry. It cures far faster, tolerates lower application temperatures, and holds colour better under UV. Epoxy builds thickness well and is the usual base coat; polyaspartic is most often used as the topcoat over a flake system.
Both are durable when the slab was prepared properly, which remains the actual variable. Polyaspartic has better UV stability and abrasion resistance; standard epoxy can yellow in sunlight. Neither survives being applied over an unground floor.
It tolerates lower temperatures than epoxy, which is why it exists in this market. It still has limits, and an unheated garage in January is either tented and heated or scheduled for spring.
Heated basement or shop floor with no rush: standard epoxy is the sensible spend. Unheated garage, or you need the car back in two days: polyaspartic earns its premium.
Related
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