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How to Troubleshoot and Repair Patio Door Locks

Keep your patio doors in a good condition to guard your home from intruders. However, the elements could cause the doors and their locks to become damaged or misaligned.

If your patio door lock doesn't perform as it should it is possible to make basic repairs at home. These steps will resolve issues with the handle, keyway, and latch.

Check the Lock

patio door lock repair doors are often targeted by burglars due to their large quantity of glass and their convenient position within a home. It is important that your locks are working properly to ensure your home is safe. There are simple solutions to repair patio door lock patio door locks that have stopped functioning.

The first step is to inspect the lock and ensure that nothing is blocking it from latching or locking. It is important to address any issues you find such as loose screws or rust. In some cases the slightest adjustment to the location of the patio door could be enough to fix the issue.

Another common issue is dust or debris that could cause the lock mechanism to not function properly. Clean your patio door and wipe down the lock hardware frequently to avoid this. If necessary, you can use a mild soap solution. However, make sure that the lock is dried completely afterwards.

It is also a good idea to lubricate your lock regularly. The moving parts inside your uPVC patio lock are similar to those used in a finely tuned machine. They can jam or become stuck as with any other mechanical device. Using graphite pencils or a light lubricant can help get rid of any dirt or debris that may have accumulated within the lock cylinder and keep it operating smoothly.

It is important to be aware of the exact dimensions of the patio door lock. This can help you find an alternative lock that is compatible perfectly with the existing mechanism. If you're not sure how to go about this, it's best to talk to a locksmith or professional tradesperson for assistance.

Clean the Lock

The intricate parts of the door lock can become jammed because of dirt, dust and cold and hot weather. These issues could compromise your home's security. However, it's not difficult to fix these issues if you know how.

Clean your lock before attempting any repairs. With a damp cloth, wipe away any dirt or stains that might be preventing your lock from working correctly. Use soapy water with hot water and a small amount of grit to clean the mechanism of your lock. After you've cleaned your locks, let them dry completely before re-using them.

Most patio doors are fitted with mortise locks, which is secure but is susceptible to problems over time. If your uPVC lock is stuck, the first step is to clean and lubricate it. For the uPVC lock you can begin by cleaning the latch plate with a bit of soapy water. Then, take off the screws that are holding the body of the latch in the position. After you have the latch plate as well as handle removed, you'll be able to take the latch out of its slot in the door frame.

After the latch has been removed and lubricated, you can apply by using a lubricant for engineering like WD40. If you don't have a WD40, you can also use graphite pencils to help dislodge any grit or dirt in the mechanism. If your uPVC lock doesn't work it may be necessary to reposition the lock cylinder. This will require additional tools and should be performed by an expert. However, you can practice shifting the cylinder, without taking it from the door by closing and opening the door while keeping the cylinder in the lock position, after which drawing pencil marks on the inside of the frame where the screws secure the cylinder.

Lubricate the Lock

If your lock is clean of dirt and debris it's a good idea to lubricate the keyhole and locks themselves. Using the correct type of lubricant can keep your lock in top shape, which will extend its life.

Dry graphite is an excellent way to lubricate small metal parts, like locks. It's non-sticky and oily. It is also more durable than liquids. It's easy to use and can be used on sliding doors, garage door tracks, and door hinges. Master locksmith Shawn Fago suggests using a pencil-like graphite lubricant that is designed specifically for lock-cylinders.

Liquid lubricants are more effective than graphite, especially in humid climates. Silicone lubricants are resistant to water and do not attract dirt and dust as much as other liquid lubricants. They are effective at both low and high temperatures. Certain silicone lubricants accumulate over time, and displace other lubricants you've tried.

Teflon Lubricants are an ideal alternative to silicone lubricants because they last longer and do not attract dust or dirt. They're also great for cold climates since they'll prevent ice from building up within the lock.

If your lock cylinder is extremely stiff and difficult to turn, it's probably worn out and will need to be replaced. A professional locksmith can take apart the lock mechanism and replace it with an entirely new cylinder that is compatible with your keys. They can also repair and modify existing locking mechanisms. If your door isn't equipped with a lock cylinder an expert can replace it to improve security and safety. They can also install new lock faceplates on your patio door track repair door that are in keeping with the rest.

Reposition the Lock Cylinder

If cleaning it and lubricating it does not work, the issue could be due to the latch on the door is not aligned correctly with the jamb or frame. Open the sliding patio door lock repair patio door, and take a look upwards and downwards at the opening of the latch. If the door is aligned with the jamb or the frame then you can test. If not you can loosen the screws that hold the latch body in place and adjust it up or down until the latch is able to catch the latch hasp tightly when the door is shut.

The latch is also sometimes difficult to close as the cylinder is worn. It is necessary to replace the for the cylinder when the worn one is making it difficult to turn the key. It's important to choose a new cylinder that is exactly the same size as the previous one and has the same keyway, so that you can easily replace it by simply screwing the two parts of the lock apart and then inserting the new one.

You can purchase replacement cylinders at many home improvement stores. You'll need to know the brand and model of your existing cylinder to be able to purchase one that matches it. If you don't know the model and manufacturer, take a photograph of the cylinder along with its mounting screws. Then go to the local hardware store for assistance.

Once you have the new cylinder in place, unscrew it from the flat screw holding it in place. Take off the escutcheon. Remove the lock cylinder, escutcheon and door frame with the screwdriver. Set the screw in a safe place so that you don't lose it or damage it. Then, loosen enough the set screw that is on the cylinder keep (the metal piece that fits into the rectangular hole of the door).

Replace the Lock

A patio door lock not functioning properly could cause serious danger to your security. It's not unusual for dirt and other particles to get lodged inside the lock's mechanisms however if the issue isn't addressed promptly the lock could eventually break down and cease to provide security. Replacing the patio door lock is a easy DIY project that requires just a few tools and a small amount of time.

Begin by inspecting the lock and determining the cause of the problem. If lubricating and cleaning don't help, the lock latch could be bent too much to function properly. In this instance it is recommended to replace the latch with a new mortise lock so that it's as sturdy and secure as it can be.

If you aren't comfortable tackling this DIY task yourself seek out an expert locksmith or door hardware expert to assist you in the installation of a new lock. They'll have the expertise and tools to complete the job correctly and ensure that the new lock works with your patio door.

Maintaining your patio door lock in good condition is a matter of routine maintenance. Verify that the knobs and handles aren't loose and tighten them if needed. Lubricate your lock at least every year to prevent it from sticking or becoming stiff. It is recommended that locks subject to heavy use or extreme weather conditions should be lubricated more often. The type of lubricant used is important, so be certain to select one specifically designed for use on locks (GT85 or WD-40's Specialist Anti Friction Dry PTFE). Apply the lubricant to the keyhole of the lock mechanism to achieve the best results.