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The foundation has failed. There were no weep holes for water to drain. Water has entered and frozen which caused breaks between the bricks.

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16y ago
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14y ago

Cracks usually indicate foundation problems. When the ground swells or contracts, your foundation will move up or down. If you are on blocks, you have a block that is settling.

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12y ago

It because of differential settlement

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Q: What is the reason for cracks in block walls?
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