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How to Repair a Bad Patio Door Lock

A secure patio door is a crucial element of home security. It can be frustrating when your door is difficult to lock.

A lock that is not working can be the result of misalignment or simply wear and tear. It may be possible to fix the function of the lock by adjusting it or lubricating it. If these troubleshooting methods don't work, you can replace the mortise lock and handle.

Clean and Lubricate

Over time, dust, dirt and grime can make it difficult to open or close a door lock. Regular cleaning and lubrication routine will prevent your security device from becoming stiff or stuck, saving you money on who repairs sliding patio doors and helping your door reach its full potential.

In the beginning, you'll need to clean the lock's cylinder. To do this, use spray cans of penetrating oil, such as WD-40. Spray a small amount oil into the keyhole, and then rotate the key to spread the oil. Avoid using solvents like household oil or other which could damage your locks. Spray a little on the key.

After cleaning your lock's cylinder, it's time to lubricate. You can apply a silicone spray or dry lubricant like graphite powder. Graphite is a lubricant that lasts for a long time that doesn't attract dust unlike liquid lubricants. It's a great choice for locking lubrication. Silicone sprays are water resistant and can withstand both moist and cold temperatures, however they might require multiple coats to work effectively.

You can also use sprays for de-icing specially made for cold weather and can lift frost and ice off the lock mechanism. This will enable you to unlock your lock and then lock it more easily.

How often you need to oil your locks will be contingent on the environment. The location of your door will affect its performance. A location near the coast could expose it to salty air, which can cause corrosion. The most common rule of thumb is to lubricate your locks every two years, or more frequently if you reside in a region that has harsh weather conditions. Lubricating your patio door locks will save the cost of repairs and ensure that it will continue to work properly for many years.

Reposition the Lock Cylinder

If your patio door lock does not work properly there's a chance that one or more of its parts could be damaged or misaligned. Regular inspection and prompt repair patio door Lock of a damaged patio door lock can avoid any further damage and ensure your doors are secure. To fix a locked or non-locked patio door, you can tighten loose screws or adjust the lock mechanism, or replace the lock cylinder.

Start by checking the exterior and the interior of the lock to determine if there are any signs of damage or misalignment. Often, patio door locks expand and contract during warm or cold weather, and can shift slightly over time. This slight movement can cause the locking mechanism to become misaligned and cause problems when closing or opening the door.

Then, check the lock cylinder for obstructions within the keyway hole. If the lock is corroded or blocked, the cylinder is difficult to open and could eventually cause damage to the lock pins, cam or latch springs. If the cylinder isn't easy to insert, you may be able of removing any obstructions using a pair of tweezers, or a picklock. If the issue continues, you may need to take the cylinder out and disassemble it to locate the root of the problem.

If the lock cylinder isn't secured to the lock body then you can loosen it by unscrewing the screw that is flat inside the cylinder's faceplate. Unscrewing this screw will allow you to move the cylinder around and could help restore proper alignment.

Examine the cylinder for a small tab that moves up and down using the key, typically towards the end. This little clip, called a "release tab" is what keeps the cylinder from sliding into the body of the lock. The tab can be removed using a standard key to allow the cylinder to be removed, then it can be inserted.

If the lock cylinder of yours is stuck, you may be able to restore proper alignment by turning it until the latch bolt engages with the strike plate, and the knob or handle can be pulled in and pulled out. Once you've restored the proper alignment, you can reassemble the lock and test it for performance. If your patio door lock is still difficult to use, it's a sign that a component, like the latch or latch spring is damaged or worn out and will need to be replaced.

Lock the Screws

Over time, the use of regular, hot and cold weather dust, dirt and even dirt can wear down patio door locks. If they are not properly taken care of these delicate components can wear out and cause your door to not lock properly. Most lock issues can be solved with just a few steps.

You should first clean the lock mechanism. Use a damp cloth to clean any dust or dirt that might be present. Then dry the lock thoroughly. After cleaning, a small amount of silicone-based lubricant can help keep the moving components functioning smoothly and efficiently. Avoid lubricants that contain oil bases, however, as these can draw dust and dirt which can cause further issues.

If your patio door is equipped with a foot lock that is secure be sure that the lock is aligned with the strike plate. In most cases this will require you to adjust the screws that secure your foot lock to the frame of the patio door. Remove the screw using the Robertson screwdriver and gently push it up or down to adjust the foot lock if needed. Once the adjustment is done you can tighten the screw.

The most common problem when it comes to repairing patio door handles is the misalignment of the strike plate and latch. This could be caused by wear and tear, or the latch may be positioned higher or below what it is supposed to be.

Begin by removing the handle, then identify the bolts or screws that secure it. Be sure to keep track of these as you will need them later when installing the new handle. Then, you can remove the old spindle, and then slide the new spindle into position on the side of the door, ensuring that it is in alignment with the holes in the interior and exterior handles. Reinstall the exterior and interior handles once the spindle has been installed. Make sure that they are aligned correctly with the bolts or screws to secure them.

After you've made the necessary adjustments to your patio door, be sure to test it by locking and closing the door. If everything is in proper alignment, the door should open and close without additional force. If you're still having trouble then you may need to reposition the strike plate or latch, or the lock cylinder could be damaged and must be replaced.

Replace the latch

If your patio door locks still do not work, it might be time to replace the latch. Installing a new lock is a moderately easy home improvement project that a majority of homeowners can do themselves. Start by sliding the patio door open and removing the existing lock from the interior side of the door. Take note of how the current lock is screwed to the door and jamb so that you can determine the kind of lock you'll need purchase.

Before you install the new latch remove the screws that hold the strike plate (the part of the lock that's set on the outside of the door frame) and adjust it either horizontally or vertically to align it with the latch hole in the jamb in the door. After you've repositioned the latch plate, tighten the screws and screw it into place.

After all the parts of your patio door have been repositioned or replaced, reassemble and secure them as directed by the manufacturer. When you're done, test the latch. Make sure it fits correctly and that it is able to latch when the door is shut. If it does, then your patio door lock has been put in place correctly and is now ready to provide the security and privacy that you've come to anticipate from.

Patio doors, like other areas of your home should be aligned correctly to function efficiently. Over time, heat and cold weather dirt and debris and other elements can cause the frames, hinges, and locking mechanism to shift. When these elements are misaligned, it's like trying to fit a key in the wrong hole for a key and it doesn't work. If you follow these steps, you will be able to fix an issue that appeared to be unfixable. Give yourself a pat on the back for tackling the project and reclaiming the patio door's closed position! We're betting you'll have no issues opening or closing your patio door once more. Have fun! We're here to assist if you need any assistance or have questions.