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7 Ways to Make a Sliding Door More Secure

Simple, inexpensive upgrades that make a sliding door much harder to force.

October 7, 2026Security
Sliding door lock mechanism
Security

Sliding doors are a common entry point because older locks are weak and some panels can be lifted out of the track. These upgrades help.

  1. Fix the existing lock so it catches firmly. A sagging panel is the most common reason locks fail.
  2. Add a foot lock or a second lock at the bottom of the panel.
  3. Use a security bar or a cut dowel in the track.
  4. Install anti-lift blocks or screws in the top channel so the panel cannot be lifted out.
  5. Replace a worn handle and latch set with a keyed one if you want outside access control.
  6. Add a door sensor if you have an alarm system.
  7. Consider impact glass if you are replacing a pane anyway.

Child-safety locks mounted high on the frame are worth adding in homes with pools.

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