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What is pot life?

Pot life is the window of time after mixing a two-part epoxy or polyaspartic coating during which it remains workable and can be applied to a floor.

Pot life refers to the time elapsed after mixing a two-part epoxy or polyaspartic system before chemical hardening makes it too thick or tacky to spread and apply. Once mixed, the resin and hardener begin a controlled reaction that steadily increases viscosity. When pot life expires, the material becomes unworkable, even if still in the container.

For epoxy flooring installations, pot life directly determines how much area a contractor can cover before the material sets. Typical pot life windows range from 30 minutes to several hours, depending on the product formulation and ambient temperature. Warmer job sites shorten pot life, while cooler conditions extend it slightly.

Why it matters: If a contractor misjudges pot life, sections of floor may be partially covered with material that has already begun to cure, creating seams, poor adhesion, or uneven texture. Installers must batch sizes carefully, plan application sequences, and sometimes work in teams to stay ahead of the cure clock. Products marketed for faster turnaround may have shorter pot life but allow quicker return-to-service. Understanding your material's pot life is essential for scheduling crew sizes and job pacing on site.