How to Fix Door Locks That Stick
If you've ever dealt with a sticky door lock, you know how frustrating it can be. But before you run out to replace the locks or, heaven forbid, the entire door, there are simple treatments to ensure that your locks work as smoothly as they should. Typically, the problem is nothing more than a lock in need of a little lubrication. Does this Spark an idea?
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Instructions
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Purchase some lock lubricant. Your best bet is graphite powder, which you can find at any hardware store. This powder works better than petroleum-based oils such as WD-40, because it will stay in the lock instead of sticking to the key. Plus, the petroleum-based oils tend to attract dust and dirt and will create a buildup of gunk inside the lock mechanism. Graphite powder doesn't do that.
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After cutting off the tip of the graphite powder tube, squeeze the tube gently to blow some powder into the lock. Be sure to point it away from you. If the powder gets on your clothing, it may stain it.
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Insert the key, then pull it out. Do this repeatedly. Lock and unlock the door repeatedly as well. The repetition will ensure that the lock mechanism gets fully lubricated.
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Tips & Warnings
If the graphite powder doesn't unstick the lock, it may be time to change the lock. If you're mechanically inclined, you could disassemble the latch and knob to try to identify the problem. To make sure that it's a problem with lock lubrication, try using the key when the door is open. Can't get to the hardware store to get graphite powder? Try using a lead or graphite pencil instead. Simply color in the key using the pencil, then try the lock. It may take a few extra attempts but should work just fine.
Use the graphite powder sparingly. Too much of it will cake up the lock mechanism, making it even harder to use. Never mix lubricants together. This is a sure-fire way to clog up your lock.
