Typical signs
- Localized rubbing, uneven gap, misaligned latch or draft.
Where it is often found
- Interior doors, exterior doors and garage access doors.
What it can mean
- Loose hinge, swollen wood, distorted frame, sagging or building movement.
What to check next
- Inspect/tighten hinges and measure gaps.
- Compare with cracks, floors and other doors.
Reasonable immediate actions
- Do not plane immediately if the change is recent or seasonal.
When to stop and call a professional
- Fire-rated door, exit, rapid movement or multiple openings affected.
Prevention
- Maintained hardware, humidity control and adjusted weatherstripping.