If you have a basement, or a crawl space, you probably have adjustable steel columns, also known as screw jacks and beam jacks. These are hollow steel posts designed to provide structural support. An attached threaded adjustment mechanism is used to adjust the height of the post. Adjustments can properly distribute support to the floors above, to prevent out of level conditions that might cause structural damage. A professional home inspector can determine if these appear to be properly positioned and adjusted, or may suggest consulting a Structural Engineer.
Other Possible Defects In Structural Supports:
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