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Patio Door Lock Repairs

Over time, patio doors go through wear and tear that can lead to locks that fail. However, there are simple and efficient ways to restore your uPVC patio door's security.

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

Clean the Lock

Patio doors are great to let the outdoors in while keeping out the elements. However they could pose a security threat if the lock doesn't work correctly. Over time, wear, tear, hot and cold weather, dirt, and debris can cause your patio door lock to become difficult to operate. With a little care you can ensure that the locks on your patio door always work correctly.

It is essential to first clean the patio door lock as well as all moving parts. This helps to remove any dirt and coatings that could hinder the lock from working in the way it should. Start by wiping down the moving parts of the lock for your patio door with a damp, clean cloth. then make use of a scouring pad, or a rough damp cloth to scrub any difficult-to-access areas of the door and frame that are coated with dirt. You should then wipe down the entire lock using dry cloths to eliminate any remaining dampness and let it to dry completely before making use of it again.

If you have an outdoor door that has a pin tumbler latch mechanism it is possible to apply lubrication to the lock by applying graphite powdered to the key or using a lubricant made of Teflon, like WD-40 Multi-Use. This type of lubricant is easy to apply and it doesn't dissolve as time passes. If you are unable to locate an appropriate lubricant, you can try using a pencil with an extremely thick tip. Place the pencil into the lock, and shake it around to spread the graphite.

Regular maintenance is also essential to keep the tracks of sliding patio doors clear from dust, dirt and other debris. These tracks are especially vulnerable to snow and ice which can cause them become stuck or slack and make it difficult for your patio doors to open and close.

The sliding rails of the patio door track and rollers can be cleaned by removing damaged or dirty weather stripping and cleaning them before replacing it. The same is true to patio door rollers which can be cleaned and sprayed with a non-stick lubricant to help them move freely.

Lubricate the moving parts

uPVC french doors, which are similar to sliding patio doors, work using 3-4 or occasionally 5-point locking mechanisms that include the lock cylinder and handle controlled by keys. They also require maintenance, specifically lubrication on the moving parts. This can be accomplished using an oil that is thin (never WD40) and is recommended to be done at least once per year.

If sagging hinges don't cause the problem it could be because the door is not aligned. It could be rubbing or catching against the hole of the strike plate in the frame. The solution is to take off the strike plate and use an abrasive chisel, which will enlarge the mortise that it rests in. This will permit the latch to fit properly into the hole and prevent it from hitting the frame.

While the cylinder is out of the way, measure its width with the help of a book or piece wood that fits into the gap of adjustment screw above the lock. The outer dimension is measured from the outside of the door to the center cylinder. The inner dimension is measured from the center adjustment screw to the end of the of the 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's out of alignment with the strike plate hole. Make sure that your door is balanced, and if the hinge screws are secure. In many instances, moving the strike plate upwards or downwards will solve the issue.

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

Before you purchase a replacement lock, it is important to determine the mortise type of lock you currently have. This can be done by looking at the faceplate and observing whether it is round or square. Then, take a look at the screw holes on the current lock and note the dimensions of each. This information will aid you in finding a replacement that is the same size and fits perfectly into the hole you have already.

You'll want to identify the mortise lock and examine it for scratches, bends or other damage that need to be repaired. A badly damaged or bent latch is more prone to break than one that's not frequently used, so be sure to replace the lock with a brand new secure and safe version in the event you notice any signs of damage or wear.

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

Check the door's Strike

The strike plate and the door latch are two parts that work together to secure the door. A misaligned strike plate or door latch will result in the latch not being able to latch the door correctly. This problem is usually very simple to fix.

Check the holes for receiving of the strike plate to make sure they are clear of obstructions such as dirt or plastic plugs. Then loosen the keeper screws that hold the strike plate in place and allow it to move vertically but not detaching it from the frame of the door. Adjust the strike plate so that it aligns its holes for receiving with latch hooks of the door latch. Once the strike plate is adjusted then tighten the screws and then test the door to see if it shuts smoothly with the new adjustment.

These plates are difficult to reach for homeowners who have sliding patio doors. However they are vital to secure and unlock your door. The metal plates are situated at the top and bottom jambs of your door, where they serve as the support for the latch. The door latch slides into the strike plate, and it creates an airtight seal. If the strike plate is damaged, rusted, or not properly installed, it could stop the latch from locking the door securely.

A misalignment of the strike plate and latch is a common reason for the patio lock to not close or stay. This can be verified using the "lipstick" test. Rub some lipstick on the outside of the deadbolt and then cover it with masking tape. The lipstick will leave the mark when you close the door. This will indicate exactly where the latch joins the strike plate. If the mark is too low or high, you can alter the strike plate.

If your patio door frame repair door locks for sliding aren't functioning properly they could be a problem in keeping your home safe from burglars. You must resolve this issue as quickly as you can. By following these easy steps, you can fix the lock on your patio door and get it back to normal within a short time.