How long does grout take to cure?
Grout can be walked on long before it is fully cured. Cement, premixed and epoxy grouts cure very differently, from about a day to four weeks.
Quick answerIt depends on the exact product. The manufacturers' stated times we track:
- Water-ready: from 1–2 days (MAPEI Keracolor S Sanded Grout) to 3–7 days (Custom Building Products SimpleGrout Pre-Mixed Grout) across 7 products.
- Full cure: from 1 day (Custom Building Products SimpleGrout Pre-Mixed Grout) to 28 days (LATICRETE SPECTRALOCK PRO Premium Grout) across 8 products. Some products allow less time under specific stated conditions.
Find your product, then start a countdown with your exact application time:
| Product | Water-ready | Full cure |
|---|---|---|
| MAPEI Keracolor S Sanded Grout All colors (North America) · US | 1–2 days | 21 days |
| Custom Building Products SimpleFix Pre-Mixed Adhesive & Grout White · US | 3 days | 1 day |
| Custom Building Products SimpleGrout Pre-Mixed Grout All colors · US | 3–7 days | 1 day |
| MAPEI Flexcolor CQ Ready-to-Use Grout All colors (premixed) · US | 3 days | 3 days |
| Custom Building Products Fusion Pro Single Component Grout All colors (sanded) · US | 7 days | Not provided by manufacturer |
| Custom Building Products Prism SCG Ultimate Performance Pre-Mixed Grout All colors (single component) · US | 7 days | Not provided by manufacturer |
| LATICRETE READY-TO-USE Pre-Mixed Grout All colors · US | 7 days | 28 days |
| Custom Building Products CEG-Lite 100% Solids Commercial Epoxy Grout All colors · US | Not provided by manufacturer | 14 days |
| LATICRETE SPECTRALOCK PRO Premium Grout Epoxy (all colors) · US | Not provided by manufacturer | 28 days less under stated conditions |
| MAPEI KERAPOXY CQ Epoxy Grout All colors (international formula) · INTL | Not provided by manufacturer | 4 days |
Times are the manufacturer’s stated figures under the manufacturer’s conditions. Your product may differ by formula or region. Products are sorted by the first stated time; nothing on this page is sponsored.
Tile grout traffic and water times compared →
Planning information only. Actual results depend on preparation, thickness, ventilation, temperature, humidity, mixing and substrate.