how to tell if it's a roof leak 23
https://waterstainceilinglab.evercolumn.com/posts/is-that-water-stain-on-your-ceiling-a-roof-leak-or-condensation-here-s-how-to-tell
If you see water stains on your ceiling after a heavy rain, especially near walls or around vents, it's likely a roof leak. Check for peeling paint, damp insulation, or mold. Look in the attic for wet spots along rafters or around chimneys—dry periods can show active leaks, too.