The 3 things I learned when I had my foundation repaired that shocked me: low points at patios funnel water

https://www.4shared.com/office/jpoYOtepge/pdf-6524-23889.html

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.