5 Laws Everyone Working In Patio Door Lock Replacement Should Know

5 Laws Everyone Working In Patio Door Lock Replacement Should Know

When It's Time For Patio Door Lock Replacement

If your patio door lock isn't functioning properly, it may be time to replace it. It's a fairly simple procedure.

The first step is to determine the type of lock you've got. This can be done by observing the keyway's position on the lock assembly. Some keyways are vertical, while others are at a 45-degree angle.

Identifying the lock you have

The patio door is a common point of entry for burglars. This is due to the fact that the patio door is usually in an open or ventilating state and is located behind the property, making it easy to conceal an equipment for climbing or a ladder. This makes securing your patio doors important regardless of whether you wish to keep children from leaving your home or deter a determined intruder.

It is important to familiarize yourself with the locks that you currently have to help you choose the best replacement patio door lock. This will let you determine what kind of lock you have, what features it has, and what kind of security it offers. This is a crucial step to make prior to buying new hardware. It will ensure that the new lock is correctly installed and securely fastened.

You can often identify the kind of lock by looking at the outside of the door frame or the inside of the handle. You can also check the type of lock your door has, in the event that it is equipped with a latch, or if it requires a key to open the lock.

The most popular lock that is found on uPVC patio door is a euro-style cylinder that can be operated with the handle or a cylinder key. The cylinder has an sleeve that keeps the pin inside which stops it from being removed from the lock. The euro cylinder can offer a certain level of security depending on the manufacturer and if the lock has passed a reputable anti-snap tests, however here at SheffLOCK we recommend a 3 star diamond accredited TS007 ULTION euro cylinder because it provides more protection against the latest methods of snapping locks.

A mortise is a locking system that is integrated into the frame. This kind of lock can be used on both aluminum and wood patio doors. They can be very secure if they are installed correctly since the bolt is recessed into the frame so the intruder will have to cut through the patio door frame and window sill to access the lock.

Measure the width of your door

Patio doors are often the most vulnerable entry point into your home. This is especially true if you have many glass. Having good quality locks fitted will ensure your home's security and could save you money on your insurance. Patio door locks are mainly of two types:

Based on the style and function you're after, there are a number of various lock options to choose from. Some come with twisting bolts, cylinder locks that use mortise and key locks with a spring-loaded hook latch.

You can determine the thickness of your existing patio door by using a tape measure that you run along the edge of the door and then record the measurement. It is also a good idea to determine the thickness of the frame of the door (known as a jamb) in various locations and then make use of the smallest measurement to help determine which patio door lock type will be best for you.

If you're planning to install a brand new patio door, then you must take a measurement of the rough opening width. This is the area that the door will fit into and is the size that the manufacturer will need to supply you with a door. If you're not sure of the best way to measure the area, ask your provider for assistance or consult our helpful guide:

It is also important to take a measurement of the opening's rough height however, this can be a challenge as the floor of your home may not be level. You can try measuring in three places, including the at the centre and on both sides and note the smallest measurement to get your height figure.

Once you've got your measurements, you can choose the lock that is appropriate for your door and your home. You can also install an auxiliary security lock to give you additional protection against intruders like a Patlock handle lock designed to prevent the door from being opened when it's not locked or secured.

For maximum security for maximum security, a central rail key-operated lock is an excellent option. This bolts the patio door to the frame at various points and requires just one turn of the key to secure them all. These offer a much higher level of security than standard locks and will result in a decrease in your home insurance premiums.

Examine the End-Face Plate

You must know the exact details of your existing lock to choose the right replacement. This will ensure that your new handle and spindle fit properly on the patio door, and that your new latch is secured in the latch hasp properly.

First, look at the end-face plate to determine if it's square or round. This will allow you to determine the type of mortise lock you are using. It is also important to take note of the screw's diameter to ensure that you get the correct replacement for your current screws.

It is also important to examine the location of your current keyway. There are many different types of patio door locks. It is important to determine which kind of lock has in order to match it to the correct keyway opening.

Examine the latch keeper at the edge of your door jamb. If the latch keeper is too far from the frame it's going to be difficult to grasp the latch hasp and the door won't close properly. This can be corrected by putting washers on the back of the latch keeper.

If you own an E2105 mortise lock the latch keeper must be approximately 1 inch from the edge of the frame. You may also want to measure the height of your latch holder.

In the majority of cases, your latch holder will be positioned just a bit higher than your current lock's keyway. This is to ensure that it does not interfere with the sliding door's operation.

If the latch keeper on your door is not at the correct height you can lower it by putting a screw or nut into the bottom of the keeper and tightening it. Be careful not to over tighten this screw, as it can cause damage to the lock mechanism or the door. If the latch holder is too high you can raise it by tightening a nut screw at the top of keeper on the jamb.

Make sure you check the screw holes

Many patio door locks use a lock bolt to secure the door, while other locks are operated by a key. Both kinds of locks require regular maintenance to ensure that they function properly. To ensure the security of your patio door, Lowe's offers a wide range of sliding glass door hardware and locking solutions. You can choose from a wide range of lock styles including bolts with a twist, cylinder locks that use a key and mortise locking systems that have a hook latch.

Some homeowners are having trouble getting their patio door to lock because the latch has dropped or isn't aligned with strike plate (also called the jamb for the door). In some cases the issue could stem from small shifts in the door or water ingress that has impacted the moveable parts of the lock. In these instances, a small amount of light oil could be all it takes to get the door to lock.


Begin by taking measurements of the length and width of the lock you have. A ruler or tape measure can be used to accurately measure the measurement that will let you select an alternative lock that is of the right size. Next, observe the end face plate to determine if it is square or round. This information is crucial as it allows you to select a new lock with the right screw hole type.

Also, you will want to take note of the location of the screw holes in your existing lock. If the screw holes are located at the top or bottom of the leading edge then an extended bolt is required. The other alternative is to install a tamper-proof lock with non-removable screws.

The process of installing the lock is simple once you've selected the lock that's ideal for your door. It is recommended that you seek out professional help if you are unsure about installing an outdoor lock.  Repair My Windows And Doors  or door hardware specialist can provide expert advice and make sure that the lock has been installed correctly. Your patio door locks could be a reliable security device for you and your family if they are maintained properly.