Oct 22, 2026 · 12 min · 9 segments
Send us Fan Mail Which foundation cracks should you actually worry about? Learn how to distinguish between minor shrinkage and serious structural…
Michael ChurchHost
The American Concrete Institute lists things like shrinkage as the concrete dries, temperature changes, settlement, the conditions on the day it was poured, soil movement, and outside loads pushing on the wall.

They check your temperature, listen to your lungs, and ask how long it's been going on.

FEMA points out that when that kind of soil moves unevenly under a house, it can put enough stress on a foundation to crack reinforced concrete or masonry.

So when you see cracks inside your house, they may actually be connected to what's happening down at the foundation.

The American Concrete Institute lists things like shrinkage as the concrete dries, temperature changes, settlement, the conditions on the day it was poured, soil movement, and outside loads pushing on the wall.

They check your temperature, listen to your lungs, and ask how long it's been going on.

FEMA points out that when that kind of soil moves unevenly under a house, it can put enough stress on a foundation to crack reinforced concrete or masonry.

So when you see cracks inside your house, they may actually be connected to what's happening down at the foundation.
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