When the lock stops cooperating
You flip the lever and nothing catches. Or it only catches if you lift the handle and shove. Maybe the lever feels loose, or the outside key won’t turn. A sliding door that doesn’t lock reliably is a real security gap, especially one facing a backyard or lanai.
Check the alignment first
We don’t start by replacing the lock. As rollers wear, the panel drops, and the latch hook drops with it, often just below the keeper on the frame. Raising and squaring the panel, or moving the keeper, can make the existing lock work perfectly again. That’s cheaper, and you keep hardware that matches the rest of the door.
When the hardware has failed
- Mortise locks and latches replaced to fit your door’s pocket and backset
- Handle sets: inside pulls and outside handles, including keyed versions
- Keepers repositioned or replaced so the latch engages fully
- Secondary security: foot locks, bar locks and anti-lift measures for extra peace of mind