I have a new home ( < 2 years old) and just noticed that the concrete slab around one of the lally columns is cracking with a roughly 2 inch chunk breaking up. One of the two concrete nails is also raised (relative to the other) by about 1/2 inch. Also, another lally column connected to the same I-beam has a nail protuding by roughly 1/2 as well. Is this something serious or just common settling of the house?
The builder gave a 1-year home warranty but that has passed. Should I take it to them anyway since its structural?
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