Which safe checks can strengthen or weaken a windows & openings explanation? The safest answer begins by recording location, trigger and timing before assigning a cause.
What the question is testing
The same corner can show exterior water entry, interior condensation, air leakage or movement depending on trigger and geometry. The question becomes more useful when it separates what happened first from what was noticed later.
A practical comparison
Check drainage openings visually Repeat the observation only under safe, comparable conditions and note what stayed unchanged.
Limits and next step
Do not block weeps or seal over active wetting without understanding the designed drainage path. Use the connected atlas guide to build a bounded evidence packet and a clear professional handoff when needed.
Observe→Compare triggers→Repair source→Verify outcome
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