The 3 things I learned when I had my foundation repaired that shocked me were the difference between helical

https://trevoryxbq240.urbanvellum.com/posts/residential-foundation-repair-insights-3-things-to-know-before-you-call

The 3 things I learned when I had my foundation repaired that shocked me were the difference between helical and push piers, when each is used, and why depth beats count.