Symptoms
- Door hangs at an angle or won't slide
- Bottom of the door has come loose from the track
- Door came off after being pushed too hard or by a pet
Likely causes
- CommonDoor pushed too hard sideways, popping rollers off the trackScreen doors are lightweight and easily knocked off track by force or a running pet.
- PossibleWorn or broken rollersRollers can wear out or crack, making the door prone to popping off repeatedly.
- PossibleBent trackA damaged track can make it hard for the door to stay seated.
- PossibleMissing or loose adjustment screwsLoose roller adjustment screws can let the door sit too low and catch on the track edge.
What to do
- Lift the door slightly and angle the bottom back onto the track, then lower it into place.
- Slide the door back and forth gently to confirm both rollers are seated on the track.
- Check the roller adjustment screws near the bottom corners and tighten or adjust them so the door sits at the correct height.
- Inspect the track for bends or damage and straighten minor dents with pliers or a rubber mallet.
- If the door pops off repeatedly, inspect the rollers for cracks or wear and replace them if needed.
- Clean the track of debris to reduce the chance of future derailing.
Tools and parts
- Screwdriver
- Pliers
- Rubber mallet
Screen door roller replacement kitSearch: “sliding screen door roller kit”
When to call a pro
Consider a handyman if the track is significantly bent or the door keeps derailing even after roller adjustment.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.