Gaps in crown molding
Steps
- Photograph the widest gap against a ruler in winter and again in summer; a gap that opens in winter and closes in summer is seasonal movement, and the fix is flexible caulk, not more nails.
+5 more steps in the full guide
Stop and call a pro if
- gaps wider than 6 mm (¼ inch) that keep growing, or cracks spreading into the drywall — the structure is moving