Hot & Cold Weather Masonry Construction

General

Advanced planning and careful preparation are key to successful and satisfactory masonry construction of any type of weather, especially periods of relatively hot or cold weather. Construction conducted during periods of hot and cold weather involves changes in procedures that may require additional equipment and supplies.

During below-normal temperature periods (40°F and below; 4.4°C and below) and above-normal temperature periods (90°F and above; 32.2°C and above) the rate of masonry construction may be affected, since the mason must be more attentive to such things as personal comfort, materials handling, and masonry protection.

It is acknowledged that as the ambient temperature rises above 90°F (32.2°C) or falls below 40°F (4.4°C), more of the construction materials must be preconditioned to permit satisfactory masonry strength development. To successfully accomplish hot and cold weather masonry construction, a knowledge of the performance characteristics of the construction materials at above-normal and below-normal temperature conditions is essential.

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