Bricklayers primarily use mortar rather than raw cement or structural concrete when laying bricks, blocks, and stone masonry. Mortar is a specialized mixture composed of cement, fine sand, and water, sometimes blended with lime to enhance workability, flexibility, and water retention. Unlike structural concrete, which incorporates coarse gravel aggregates to bear massive compressive loads across large slabs or foundations, mortar is specifically formulated to act as a glue or adhesive layer between individual masonry units. While cement is the fundamental chemical binding ingredient found inside both mortar and concrete, bricklayers rely on the smooth, workable consistency of mortar to fill joints evenly and bond walls securely together.
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