Your patio reminds me of two failed experiments I tried back when I was in my mid-20s. I thought I knew how to build a simple brick patio, but Mother Nature decided she’d teach me a tough lesson.

Q: I would love to get some ideas on how to correct our uneven brick patio. The locust tree whose roots are causing the bricks to lift is not one we would want to lose, as it is our main source of ...