MAPEI

Keracolor S Sanded Grout

All colors (North America) · US · not yet reviewed

Short answer

Water-ready: 1–2 days after application.
Heavy traffic: 3 days after application.

Start the clock

When did you apply it?
Outdoors, temperature
Where?
Thickness

Stated times

  • Working time ends1 hour
  • Water-ready1–2 days
  • Heavy traffic3 days
  • Full cure21 days

From MAPEI data sheet · checked 2026-10-24. Anything not listed isn’t stated by the manufacturer.

Conditions & fine print
  • Stated conditions: 73°F (23°C) and 50% relative humidity
  • Protect from freezing and water immersion for at least 21 days. Wait until fully cured (21 days) before regular cleaning. Steam showers: restrict use for 14 days.
  • Temperature range: 50°F to 100°F
  • Region US. Formulas can differ between countries; check your container.
  • Working time ends: 73°F and 50% RH
  • Water-ready: Residential showers and tub surrounds
  • Entered from the manufacturer source; second review pending. Report outdated information
  • Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.

Questions

How long before Keracolor S Sanded Grout can get wet?

MAPEI states: For residential showers and tub surrounds, restrict use for 24 to 48 hours after grouting. Conditions: Residential showers and tub surrounds. This is the manufacturer’s stated time, not a guarantee.

How long before Keracolor S Sanded Grout is heavy traffic?

MAPEI states: Keep free from heavy traffic for at least 72 hours after grouting. This is the manufacturer’s stated time, not a guarantee.

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