Overview
The threshold takes the most abuse of any part of the door - foot traffic, weather, cleaning. Threshold seals and gaskets are cheap and replaceable in under an hour.
Symptoms
- Water under the door.
- Visible worn track.
- Draught at the base.
Common causes
- Threshold gasket worn.
- Threshold blade damaged.
- Threshold not level.
When to call a professional
- Threshold replacement.
Prevention
- Clean threshold monthly.