Overview
A door frame should be rock-solid - no flex when you push it. Movement means fixings are too few, wrong, or missing packers.
Symptoms
- Frame flexes when door slams.
- Silicone joint cracking.
- Alignment keeps drifting.
Common causes
- Fixings too short.
- No packers behind fixings.
- Fixings into perished substrate.
When to call a professional
- Refixing usually possible without full removal.
Prevention
- Correct install first time.