How Long Does Mortar Take to Cure? A Guide for Builders and Engineers
Mortar typically takes 24–48 hours to initially set, but full structural curing requires 28 days to reach its maximum strength (as per ASTM C270). During the first 48 hours, it’s critical to keep the mortar moist and protected from extreme temperatures, wind, or rapid drying to prevent cracking and ensure proper hydration. For non-load-bearing applications (like tile work), a 7-day cure is often … Read more