The 3 things I learned when I had my foundation repaired that shocked me: low points at patios funnel water
https://medium.com/@nuallawyjt/residential-foundation-repair-insights-3-things-to-know-before-you-call-013beb7abf99
The 3 things I learned when I had my foundation repaired that shocked me: low points at patios funnel water, saw-cut drains can redirect, and sealers aren’t real drainage.