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How to Troubleshoot and Repair Patio Door Locks

Keep your patio doors in a good working condition to protect your home against unwanted intruders. However, the elements can cause the doors and their locks to become damaged or misaligned.

If your patio door lock does not work properly, you can make some basic repairs at home. These steps will resolve issues with the latch, keyway and handle.

Check the lock

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

The first step is to inspect the lock and ensure that there is nothing blocking it from locking or latching. It is important to take care to address any issues you discover, such as loose screws or corrosion. In some cases, a slight adjustment to the patio door's position may suffice to resolve the issue.

Another issue that is common is dust or debris which can cause the lock mechanism to cease functioning properly. To avoid this happening, ensure that you clean your patio door regularly and clean the lock hardware. You can apply a mild detergent solution in the event of need, but remember to dry the lock thoroughly afterwards.

It is also a good idea to regularly oil your lock. A lot of the moving parts of your uPVC patio sliding door repair door lock are like those of a fine-tuned machine, so they can be jammed and stuck just as any other mechanical device. A graphite pencil, or a tiny amount of lubricant, can be used to clean any dirt or debris that has accumulated on the lock's cylinder. This will help keep it running smoothly.

It is essential to know the exact dimensions of the patio door lock. This will help you choose the perfect lock to match your current mechanism. If you are unsure about how to go about this, it's advisable to contact an expert tradesperson or locksmith for assistance.

Clean the Lock

The intricate parts of the door lock can jam up over time due to dust, dirt and cold and hot weather. These issues could compromise your home's security. But it's easy to fix these issues If you know how.

Before making any repairs, you must first clean your lock. Using a damp cloth, clean any stains or debris that might be hindering your lock from functioning properly. Then, use a small amount of hot soapy water to clean the mechanism of the lock and get rid of any grit or grime that has accumulated over time. Let your locks dry completely after cleaning them.

Most patio doors are fitted with mortise locks that is safe however, it is susceptible to problems with time. If you're uPVC locks has become stuck, you must first clean and lubricate them. For the uPVC lock it is best to begin by cleaning the latch plate with a bit of hot soapy water. Then, take off the screws that are holding the body of the latch in the position. After removing the latch plate and handle then you can take it from its slot on the door frame.

Once the latch is removed then you can lubricate it using a light engineering lubricant like WD40. If you don't own WD40 alternative, you could use a graphite pencil to remove any dirt or grit in the mechanism. If your uPVC locks are still not working, you may need to reposition your lock cylinder. This will require some additional tools and should be done by a professional. However, you can practice shifting the cylinder, without taking it from the door by opening and closing the door while keeping the cylinder in the lock position, after which making pencil marks on the inside of the frame where the screws are that keep the cylinder in place.

Lubricate the Lock

Once your lock is clean and free of dirt and other debris, it's time to lubricate both the keyhole as well as the locks themselves. Lubricants that are properly applied will keep your lock in good shape and prolong its life.

Dry graphite is a fantastic option to lubricate tiny metal parts, like locks. It's non-sticky and oily. It is also more durable than liquids. It's easy to apply and you can use it on sliding doors, door hinges and garage door tracks. Master locksmith Shawn Fago suggests using a pencil-like graphite lubricant made specifically for lock-cylinders.

Liquid lubricants are more efficient than graphite, especially in humid climates. Silicone lubricants repel water and do not attract dust and dirt as much as other liquid fluids. They are suitable for low and high temperatures. However, certain silicone lubricants can cause buildup over time and can be displaced by other lubricants that you've used.

Teflon Lubricants are a good alternative to silicone lubricants since they are long-lasting and do not attract dirt or dust. They are also great for cold conditions, since they prevent the build-up of ice inside the lock.

If your lock's cylinder feels stiff and difficult to turn, then it is probably worn out. It's going to need to be replaced. A professional locksmith will take apart the lock mechanism and put in a new cylinder that matches your current keys. They can also perform repairs and adjustments to existing lock mechanisms. A professional can replace the lock cylinder if the door does not have one. This will improve security and safety. They can also install new faceplates for your lock on your patio door that match the rest.

Reposition the Lock Cylinder

If cleaning it and lubricating it doesn't work, the issue could be that the latch on the door is not aligned correctly with the jamb or frame. Open the sliding patio sliding doors repair doors and take a look upwards and downwards at the opening of the latch. If the door is aligned with the frame or jamb, then you can check. If not, remove the screws that hold the latch body and adjust it upwards or downwards until the latch is firmly catching the latch's hasp as the door closes.

The latch is also sometimes difficult to close as the cylinder is worn. A worn-out cylinder makes it difficult to turn the key, which is why you'll require an alternative. It is recommended to select a cylinder with the same keyway and size as the one you had previously. This will allow you to replace it easily by unscrewing the two halves before inserting the replacement cylinder.

You can purchase replacement cylinders in a variety of stores for home improvement. You'll have to know the manufacturer and model of the existing cylinder in order to buy one that is compatible with it. If you don't know the model or manufacturer, take a photograph of the cylinder along with its mounting screws. Then, visit the local patio door repairs hardware store for assistance.

Once you have the new cylinder installed take it off the screw that holds it in place. Take off the escutcheon. Remove the lock cylinder, escutcheon and door frame using a screwdriver. Put the screw somewhere safe to ensure you don't lose it. Then, loosen the set screw that is located on the cylinder keep (the metal piece that fits into the rectangular hole of the door).

Replace the Lock

A patio door lock that isn't functioning properly could pose an extremely risk to security. It's not common for dirt and other debris to get stuck inside the lock mechanism, but if this isn't dealt with quickly enough the lock could eventually fail and cease to provide security. Replacing the patio door lock is a relatively easy DIY project that requires just some tools and a little time.

Begin by inspecting the lock to determine what's causing the issue. If cleaning and lubricating the lock latch does not work, it may be bent to far to work properly. If this is the case, you should replace the latch with mortise locking systems to ensure that it's as strong and secure as possible.

If you're not comfortable with this DIY task yourself contact a locksmith or door hardware specialist to help you with the installation of a new lock. They'll have the expertise and tools to do it properly and ensure that the new lock is compatible with your patio door.

Routine maintenance is essential to ensure that your patio door lock operating correctly. Check that the knobs and handles are not loose and tighten them as needed. Lubricate your lock at least once per year to avoid it getting stuck or becoming stiff. Locks that are subjected to extreme use or temperatures should be lubricated frequently. The type of lubricant you use is vital, so be sure to choose one that's specifically designed for use with locks (GT85 or WD-40's Specialist Friction Dry PTFE). For best results, apply the lubricant directly to the key hole of the lock mechanism.