Foundation repair is the process of repairing and/or stabilizing the foundation of a structure. The most common reason for foundation repair is due to settlement, which can be caused by a variety of factors including: poor soil conditions, over-loading of the foundation, inadequate drainage, or erosion. 

It can be a complex process, so it is important to choose a reputable and experienced foundation repair company. You can choose the best foundation companies via https://americanwi.com/ in Milwaukee for your specific needs.

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There are several methods that can be used to repair a settling foundation, depending on the severity of the problem. 

The most common methods are:

1. Piering involves driving steel or concrete pillars into the ground next to the foundation to support it and stabilize it. 

2. Helical piers are similar to piers, but they are screwed into the ground instead of being driven in. 

3. Slab jacking is a process where concrete is injected under the foundation slab to raise it back into place.

Once the repairs have been made, it is important to take measures to prevent future settlement. This may include adding drainage around the foundation, compacting the soil around the foundation, or installing an automatic sprinkler system to keep the soil from drying out and shrinking.’

If you're in need of foundation repair, it's important to choose a reputable and experienced company.  So do your research, ask around for recommendations, and then get multiple bids before making your final decision.