If this happens frequently, it may be time to replace the lock. On the other hand, the key might be too worn, or the cylinder may need oiling. You can also try re-keying the lock to make it smoother and easier to open. There's no turning mechanism, or the knob won't turn properly.
If the lock is stiff, use a lubricant like WD-40 or graphite powder. Spray or apply it into the keyhole and work the lock back and forth to distribute it. If the lock is a spring bolt (not a deadbolt), you can try sliding a credit card between the door and the frame just above the lock.
Simply warm up your key by placing it in a small container of hot water. Once the key is warm and dry, insert a key into the lock mechanism and slowly turn it. Alternatively, you might also try using a blow dryer to blow hot air directly into the locking mechanism to thaw out your door locks.
Similar to a stiff lock, you can try lubricating the lock, but if that doesn't help, there could be a misalignment of the lock and door or another, more challenging problem with the lock cylinder. These are both issues that have to be assessed and corrected by a locksmith.
If your front door is not opening, look at the hardware supporting the door. Missing screws and rusted hinges are common culprits of door opening problems. Replacing door hardware might be the best route for repair if your installations are several years old.
There are several reasons a door may stick in the doorframe, including loose hardware, a sagging frame, or seized hinges. Humidity is another common cause of sticking doors: The high moisture level in the air can seep into the wood, resulting in a swollen door that does not open or close properly.
The bolt/latch is engaged by the lock and is meant to fasten inside a door, which ultimately renders the door either locked or unlocked. If your key keeps turning in the door lock, it means that the lock body and the bolt are not interacting in the natural way that they should, and this is the heart of the problem.
If you have a stuck lock, you should first check the keys to your door. Look for any breaks or burrs as a sign of a broken key. You should also inspect inside the keyhole to check whether any broken pieces are stuck in the lock if you have a broken key.
If the button is stuck out and you cannot press it, you can try jiggling the handle and moving the door. Again, do not use too much force. If this doesn't work, you might be able to open the door by accessing the spring-loaded latch through the gap between the frame and the door.
Lubrication: A common cause of jammed locks is lack of lubrication. Applying a silicone-based lubricant or graphite powder can help. Avoid oil-based products as these can attract dirt. Spray or insert the lubricant into the keyhole and gently work the key in and out a few times to distribute the lubricant.
One reason is that part of the key could be worn away. In addition, a keys-only job is to go in and out of locks multiple times daily, every day (just in case you didn't know what a key was for). These causes wear on the key's grooves and can wear down over time. If they wear down enough, then they'll stop working.
There are three main reasons why a door lock mechanism is stiff or sticking: Debris in the lock. Extremes of temperature. A broken lock mechanism or gearbox.
One method is to use a credit card or driver's license. Insert the card into the space between the lock and door frame and then apply pressure to the card. This will push the card against the locking mechanism and allow the door to be opened. Another method is to use a small screwdriver or nail file.
Using force to open a door is not recommended, as this could cause serious injury or permanent damage to your door and surrounding door frame. If it's a front door that you've lost the keys for, it's better to call a locksmith. If it's an interior door without any lock that you plan on keeping, a handyman can help.
Two possibilities, the lock is just worn out and needs to be replaced. Second possibility is that the keyway has accumulated dirt inside which is jamming up the keys. Try spraying some WD40 in to the lock and the inserting the key. Keep a rag handy as it could get a little messy.
Apply a graphite-based or silicone-based lubricant specifically designed for locks. Avoid using oil-based lubricants as they can attract more dust and grime. Insert and turn the key: Insert the key into the lock and gently turn it back and forth a few times.
The ethanol and isopropanol alcohol that destroy germs also lower the freezing point of water, and can melt the ice inside the lock within seconds. To defrost your lock, simply coat your key with hand sanitizer and insert the key gently into the frozen lock, but do not force it.
The main culprits to look out for are loose springs or parts that stick out. You can check this by trying to press the latch bolt tongue inwards, if you can't do this then it's most likely broken and beyond economic repair. 5) Another check to look out for is any debris that's blocking up the lugs in the door handle.
Use a soft brush to remove any dirt or debris from your lock, then spray it with some graphite-based lubricant (particularly effective in reducing friction) or a lock-specific cleaner. Insert the key in the hole and turn it a few times to work the lubricant through the lock and hopefully release the jam.
Sadly it's not normally possible to repair this type of problem. The reason is that to get inside the cylinder in order to repair the insides, you need to be able to turn the key. If you can't use the key, then you can't really get to the lock without drilling it open and thereby damaging it.
Could be that something sticky was on your key when you tried to open the door, or could be something as simple as lint stuck inside of it. If you aren't able to ease it open using a lubricant, you should call a locksmith to come and fix it. Chances are it is a bigger issue than you thought.