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

https://judahrhvb831.capitaljays.com/posts/3-things-to-know-before-you-encapsulate-crawl-space-and-call-foundations-repair-near-me

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.