A roller ball catch is used to hold an interior door that does not have a lock in place. They are commonly found on bifold, sliding, louvered, accordion and other light interior doors. These catches are located on the jamb of the door, and use a ball to hold the door in place. This ball pops into a groove to keep the door shut. Sometimes this ball can become misaligned.
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Things you need
- Tape measure
Open the door and inspect the jamb where the roller ball catch is located. Inspect the ball catch to determine what the problem is. Make sure the striker plate is still properly aligned. Measure the two plates to make sure they are on the same level. Move the screws attaching the plates with a drill to align them properly.
Make sure the door has not dropped down. If it is not level, adjust the screws in the hinges to try and level it out. Move the screws either up or down depending on how the door is sitting. Open and close the door to see if it is properly working. If it is not, the roller ball catch itself needs to be adjusted.
Unscrew the old roller ball catch along with the strike plate. Adjust them so they roll smoothly. Move the nonthreaded part of the ball catch clockwise to increase pressure and counterclockwise to decrease pressure. Install it both ways until one works properly.
Move the roller ball catch and the strike plate to a different location if none of the previous steps works. Make sure the screws are still in good shape, and replace them if necessary. Install the strike plate and roller ball catch in a different area. Test the door.
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