I see [a crack or deflection]
in [a structure of an age].
What does this pattern usually
indicate, what distinguishes
cosmetic from structural, and
what warrants an engineer today?

Read a Structural Defect

Cosmetic or structural, and when to stop reading and call.

Prompt

I'm seeing [describe a crack, deflection, or stain] in [describe the structure and its age]. Tell me what patterns like this usually indicate, what would distinguish cosmetic from structural, and what warrants an engineer today.