>Real estate buyers are typically not building science subject matter experts I know nothing about it, but I used to park in a garage for work, where they woul

>Real estate buyers are typically not building science subject matter experts I know nothing about it, but I used to park in a garage for work, where they would periodically remove some concrete, exposing rebar, involving a huge amount of noise and dust, and I wondered why. I assumed they were checking structural integrity, but it always seemed hard for me to conceptualize how you could take concrete out and then patch it up without somehow damaging the relationship with the rebar going through it.