NV C-18 Masonry Practice Questions - Nevada C-18 Masonry Contractor Examination Exam

Why does clay brick masonry use expansion joints rather than CMU-style shrinkage control joints?

Fired clay units expand over time with moisture and temperature; the joint absorbs that growth Brick shrinks more than CMU, so the same joint works in reverse Expansion joints are only a decorative reveal TMS 402-13 prohibits all movement joints in brickwork

Correct Answer:

Fired clay units expand over time with moisture and temperature; the joint absorbs that growth

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