When It's Time For Patio Door Lock Replacement
If your patio door lock isn't functioning well, it might be time to replace it. It's a fairly simple procedure.
The first thing to do is identify the kind of lock you own. This is done by looking at the keyway's position on the lock assembly. replacement door lock are vertical, while others have a 45-degree angle.
Identifying your existing lock
The patio door is among the most sought-after points of entry into homes for burglars. This is because it typically opens into an open or ventilating position, and is often located at the back of the property making it easy to hide the ladder or other equipment for climbing. This makes securing your patio doors important whether you are trying to prevent children from escaping your home or deter a determined burglar.
To assist you in selecting the ideal replacement for your patio door lock, you should be familiar with your existing locks. This will allow you to identify what type of lock you have, the features it comes with and the type of security it provides. This is an excellent step to do before you start looking for new hardware since it will ensure that your new lock fits perfectly and is securely secured.

It is often possible to determine the kind of lock by looking at the outside of the door frame or the inside of the handle. You can also look at the locking mechanism of your door, if it has a latch, and if a key is required to open it.
The most common lock used in uPVC patio doors is a euro cylinder that operates with either the handle or keys. The cylinder is fitted with an internal sleeve that keeps the pin and prevents it from being removed from the lock. The euro cylinder could provide some degree of security, contingent on the manufacturer. If the lock has been tested for anti-snap accreditation and is certified for anti-snap, it will be capable of providing a certain amount of security. However here at SheffLOCK we always recommend the 3 star diamond accredited (TS007 ULTION) euro cylinder. It provides a lot more protection against lock snapping.
A mortise is a locking system that is integrated into the frame. This style of lock can be found on both aluminum and wood patio doors. They are extremely secure if installed correctly as the bolt is recessing into the frame, so the intruder must cut through the frame of the patio door and window sill in order to gain access the lock.
Measure the Width of Your Door
Patio doors can be the most vulnerable entrance point to your home. This is particularly true if you have a lot of glass. Installing locks that are of the highest quality will ensure your home is secure and could save you the cost of insurance. Locks for patio doors are generally of two types:
Depending on the style and function you're seeking, there are a number of various lock options to choose from. Certain locks come with bolts that twist, while others use mortise and lock keys as well as locking systems with hook latches.
Use a tape measure along the edge of your patio door to measure the thickness. You can also measure the thickness of the door frame (also called a jamb) and then take the smallest measurement to determine the ideal patio door lock.
You must determine the width of your opening prior to installing a patio door. This is the opening that the patio door will fit into and the measurement you will need from the manufacturer in order to purchase the new door. Get help from your supplier or consult our helpful guide if you're unsure how to measure.
It is also important to determine the opening's rough height however this can be a challenge because the floor of your home might not be level. You can measure in three places in the middle, the centre as well as both sides and corners, and then record the smallest measurement to calculate your height.
Once you have the measurements, you can select the lock that will be a good fit for your door and home. Installing an auxiliary security locking system will give you additional protection from intruders. For instance, a Patlock handlelock is designed to prevent a door from being opened if it is not secured or locked.
For the highest level of security for maximum security, a central rail key-operated lock is a great option. This locks the patio door at multiple points, and only requires one turn of the key. These locks provide a higher security level and could reduce the cost of your home insurance.
Check the End-Face Plate
If you're looking to replace your patio door handle you must determine the specific details of the lock you have currently to choose an appropriate replacement. This will ensure that the new handle and spindle are a perfect fit for the door and that the new latch is able to be secured by the latch's hasp.
First, look at the face plate at the end to determine if it's round or square. This will allow you to determine what kind of mortise lock you are using. It is important to note the size of the hole in order that you can locate an alternative that is compatible with your existing screws.
It is also advisable to take a look at the position of your existing keyway. There are a variety of patio door locks and it is essential that you know which one your lock is currently using so that you can find the appropriate keyway opening.
Examine the latch keeper on the edge of the jamb of your door. If the latch keeper on the door jamb is far back it will be difficult to catch the latch hasp. The door won't close properly. Fortunately, this issue can be fixed by adding washers or a shim in front of the latch keeper on the jamb.
If you have mortise lock E2105 the latch keeper needs to be at least one inch from the frame edge. You may also want measure the size of the latch holder.
In most instances the latch holder is usually higher than the keyway opening on your existing lock. This is to ensure that it will not interfere with the operation of your sliding door.
If the latch keeper on your door is not at the right height, you can lower it by putting a screw or nut into the bottom of the keeper and tightening it. It is important not to over tighten the screw as it could cause damage to the lock mechanism and the door. If the latch holder is too tall, you can raise the latch holder by tightening a nut screw at the top of keeper on the jamb.
Be aware of the screw holes
Some patio door locks use bolts to secure the doors, whereas others use keys-operated lock cylinders. Both types of locks require regular maintenance to function correctly. Lowe's offers a range of sliding glass door locks as well as hardware to secure your patio door. There are a variety of lock styles, including bolts that turn and cylinder locks that make use of a key and mortise locks with spring-loaded hook latches.
Some homeowners are having trouble getting their patio door to lock because the latch has fallen or isn't aligned with the strike plate (also known as the jamb for the door). In some cases, the problem may stem from small shifts in the door or from water intrusion that has impacted the moveable parts of the lock. In these instances just a bit of oil could be all that's needed to get your door to lock again.
Begin by measuring the width and length of your existing lock. You can make use of the ruler or tape measure to accurately measure this measurement. This will allow you to select an alternative lock that is of the correct size. Next, look at the faceplate at the end to determine if it is square or round. This is vital because it will help you choose a new lock with the right screw hole.
Also, you'll need to be aware of the position of the screw holes in your current lock. If they are at the top or bottom of the leading edge, then a replacement using an extended bolt will be essential. Installing a tamper-proof lock that has a screw that is not removable is another option.
After you have selected the type of lock that is the best fit to your door, the process of installing it is fairly straightforward. If you are not comfortable installing the patio door lock yourself, it is always recommended to seek assistance from a professional. A seasoned locksmith or door hardware expert can offer expert guidance and assistance, as well as ensure that your lock is properly installed. Your patio door locks can be a secure security option for you and your family members if they are properly maintained.