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What is the recommended spacing for expansion joints in brick walls?

  1. 10 to 15 feet apart

  2. 20 to 25 feet apart

  3. 25 to 30 feet apart

  4. 30 to 35 feet apart

The correct answer is: 25 to 30 feet apart

The recommended spacing for expansion joints in brick walls is 25 to 30 feet apart. This specific distance allows for adequate movement of the bricks as they expand and contract due to temperature changes and moisture variations, without causing stress that could lead to cracking or other structural issues. Expansion joints are critical in maintaining the integrity of brick masonry by accommodating these natural movements. When spaced correctly, expansion joints help to ensure the longevity and durability of the wall, preventing potential damage over time.