What is the standard tolerance for masonry mortar joints in other areas?

The standard tolerance for masonry mortar joints is typically established at plus or minus 1/8 inch. This tolerance is important to ensure that the masonry work maintains structural integrity and aesthetic appeal. A consistent mortar joint contributes to the overall appearance and strength of the masonry assembly, influencing factors like load distribution and moisture control.

Having a tolerance of plus or minus 1/8 inch allows for slight variations during installation due to factors such as the materials used, environmental conditions, and the skill of the masonry workers. This standard recognizes the practical aspects of masonry work while ensuring that any deviations remain within acceptable limits for structural performance and visual uniformity. Therefore, option B reflects the widely accepted guideline in the construction industry regarding mortar joint tolerances.