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Is Your Company Responsible For An Patio Door Lock Repair Budget? 12 Tips On How To Spend Your Money
Patio Door Lock Repairs

Over time, patio doors undergo wear and tear that could result in locks that fail. However, there are simple and effective ways to restore your uPVC patio door's security.

These simple fixes will ensure your home is secure, whether you realign the lock or clean the locking mechanism.

Clean the Lock

Patio doors are fantastic for letting the outdoors in and keeping the elements out. However they could pose an issue for security if the lock doesn't work properly. Over time, wear and tear, cold and hot weather dirt, and other debris can cause your patio door lock to become difficult to operate. With a little care, you can make sure that the lock on your patio door always functions properly.

It's important to first clean the patio door lock and all moving parts. This will help get rid of any grime or coatings that might be hindering your lock from functioning properly. Start by wiping all the moving parts of your patio door lock using a damp cloth. Then apply a scouring pad or rough damp cloth to scrub the dirt-infested parts of the frame and door. Then wipe the lock with a dry cloth to get rid of any moisture. Let it air dry before using it.

If you have a patio door that uses pin tumbler latch mechanisms it is possible to grease the lock by applying powdered graphite to the key or by using a Teflon-based lubricant such as WD-40 Multi-Use Product. This type of lubricant can be easy to apply, and it doesn't dissolve over time. If you're unable to find the correct lubricant for your lock, you can use a pencil with thicker tip. Put the pencil in the lock, and shake it around to distribute the graphite.

Regular maintenance is also essential to keep the tracks of sliding patio doors clear from dust, dirt and other debris. They are particularly vulnerable to snow and ice, which could cause them to be stuck or jammed and make it difficult for your patio doors to open and close.

You can clean the track rails and rollers of sliding patio doors by removing damaged or dirty weather stripping. Clean it, and then replace it. The same applies for patio door rollers, which can be wiped down and sprayed with non-stick lubricant that will allow them to move freely.

Lubricate the moving parts

uPVC French Doors, like sliding patios, are operated by using 3 to 4 or sometimes 5 points locking mechanisms. They include the lock cylinder and handle which is operated by the key. These doors also require maintenance, specifically lubrication on the moving parts. This can be done with a thin oil however, never WD40. It should be done at least once a year.

If sagging hinges aren't a reason, the door could be misaligned and caught or striking the strike plate's hole in the frame. Remove the strike plate, and use a sharp tool to expand the mortise. This allows the latch to fit properly in the hole and avoids scratching or catching on the frame.

Take a measurement of the length of the cylinder using a piece of book or wood that is able to fit into the space above the adjustment screw. The outer dimension is measured from the outside of door to the center of cylinder. The inner dimension is measured from the center adjustment screw to the end cylinder.

Verify the lock's width

If your patio door latch isn't able to turn, even after cleaning and lubricating, it's possible that it is out of alignment with the strike plate hole. Check to see if the door is balanced and whether the hinge screws are tight, but in many cases, moving the strike plate upwards or downwards can correct the issue.

Most of the time, the issue occurs when the lock's strike is too small for the latch to engage. In this instance, you can widen the opening using a chisel and hammer. Then, test the latch to ensure that it does not rub against the jamb frame of the door or get caught the frame.

You must identify the kind of mortise lock you are using before you purchase an alternative. This can be done by looking at the faceplate and observing whether it is square or round. Take a look at each screw hole on the existing lock and note their dimensions. This information will aid you in finding a replacement that is of the same size and is a perfect fit for the hole that you already have.

You'll need to identify the mortise lock, and then examine it for scratches, bends or other damage that needs to be fixed. A damaged or bent latch is more likely break than one that hasn't been utilized often, so make sure to replace the lock with a brand new, secure version in the event you notice any signs of damage or wear.

Once you've identified the type of lock replacement you require It's time to begin the actual repair. Take the old handle and spindle from the patio door, and then insert the new one. Begin by installing the interior handle. Align it with the spindle, and then secure it into place using the two bolts or screws. Install the exterior handle following the interior handle. After you've completed these steps, you can test the new handles to ensure that they open and close easily and that the latch is catching correctly when you strike the plate.

Check the Strike on the door.

The door latch and strike plate are the two parts of the lock that work together to ensure the latch secures the door. If these parts aren't aligned correctly and the latch doesn't latch the door properly. sliding patio door lock repair is usually very simple to solve.

Check the receiving holes of the strike plate to make sure they are clear of obstructions such as dirt or plastic plugs. Remove the screws that hold the strike plate in position. This allows it to move vertically, but not separate it from the frame. Adjust the strike plate so that it aligns its holes for receiving with the latch hooks of the door latch. Once the strike plate is adjusted then tighten all screws, and test to see whether the door closes smoothly.

Door strike plates can be difficult to access for homeowners with sliding patio doors, however they're essential for locking and unlocking your door. The metal plates are typically located on the top and bottom of the door jamb, which is where they are used to support the door's latch. The door latch slides onto the strike plate, and it creates the seal. If the strike plate is damaged, rusted or not installed correctly, it may hinder the latch from locking the door securely.

The most common reason for the patio door lock to become stuck or not close is a misalignment between the latch and strike plate. This can be checked with the "lipstick" test. Rub some lipstick along the edge of the deadbolt, then cover it with masking tape. When you close the door, the lipstick will leave marks on the tape that will show exactly where the latch connects to the strike plate. If the mark is too low or high, you can alter the strike plate.


If your patio door locks for sliding are not working properly, they can keep your home safe from burglars. You must repair the issue as soon as possible. By following these simple steps, you'll be able to fix your patio door's lock and restore its functionality in no time.

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