「Who s The Most Renowned Expert On Replacement Upvc Door Panels」の版間の差分

提供: Ncube
移動先:案内検索
 
1行目: 1行目:
How to Fix a Upvc Door Locking Mechanism<br><br>A Upvc door locking mechanism may not function correctly due to many reasons. You could have loose or damaged locks or misalignment or a broken hinge. A burglar can also cause damage.<br><br>Adjusting the butt hinges<br><br>You may need to adjust the hinges if your uPVC door isn't locking properly. To accomplish this, you'll need to open the door, take off the protective caps, and loosen the screws. Then turn the adjustment slots by turning the pins clockwise as well as counterclockwise.<br><br>Start by leveling the door before you adjust the uPVC hinges. You can make use of a spirit level or markers to mark the starting point. When the door is level then you can move the adjusters at the both sides of the door.<br><br>Based on the type of your uPVC door, you may need to remove the caps protecting the door in order to expose the slot. You'll need a Phillips, or cross-head screwdriver, to accomplish this. After removing the protective caps it is possible to loosen the screws and then remove the slot caps.<br><br>Then, you'll need the Allen key. Most [http://Www.Zanele@Silvia.Woodw.O.R.T.H@Www.Gnu-Darwin.org/www001/src/ports/www/b2evolution/work/b2evolution/blogs/install/phpinfo.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fverbina-glucharkina.ru%2Fuser%2Fbeatpyjama1%2F%3EUpvc+door+Pannel%3C%2Fa%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Fshrineage11.werite.net%2Fupvc-external-doors-tools-to-improve-your-everyday-lifethe-only-upvc-external+%2F%3E upvc doors panels] doors come with one adjustment slot per hinge. Certain uPVC door models require an Allen key. Other models won't have adjustment slots.<br><br>Typically, butt hinges are typically found on older uPVC door models. There are some newer designs that allow side-to-side movement. Modern butt hinges might require the use of a Phillips or cross-head screwdriver.<br><br>Flag hinges can be adjusted on uPVC doors. These hinges allow two types of adjustments: compression and height. Each hinge has a pin that runs through the top of the hinge attached to the door. This allows you to open or close your door vertically, horizontally or both.<br><br>Certain uPVC door models also have lateral adjustment. This adjustment allows you to move the hinge closer to the jamb. Usually, this is hidden behind a plastic cover.<br><br>Misalignment<br><br>If your UPVC door is squeaking, it could be due to a misalignment of the lock mechanism. It doesn't matter whether the issue is straightforward or complex; however, it should be addressed immediately by an expert.<br><br>Misalignment can occur due to a variety of reasons, such as damaged hinges, cracked or damaged glass panel, and improper packing. Additionally, changes in temperature can cause doors to expand or contract, which can cause the doors to move in a different direction.<br><br>Aligning your uPVC doors should be quick and simple. It typically takes no more than five minutes. A spirit level can be used to measure the distance between your door's frame and sash.<br><br>Cool water can be used to wash your doors. This can help correct the alignment issue. It takes only just a few seconds, and could save you money on repairs.<br><br>One of the biggest issues with UPVC doors is the widespreadness of misalignment. This is particularly the case with hinges made of wood that aren't meant to be adjusted. Even a slight misalignment can be the first sign of a faulty locking mechanism.<br><br>It's often forgotten that exposure to elements can be a significant culprit in causing door alignment issues. For instance, driveway gravel can cause obstruction to the door's frame.<br><br>An incorrectly packed door panel, on the other hand, can cause the UPVC door to be misaligned. This could result in issues with locking and unlocking, and could result in the handle not operating properly.<br><br>Your UPVC door may expand or contract in extreme weather conditions. This isn't a problem, but it can cause problems with the locking mechanism of your uPVC doors.<br><br>You can adjust the hinges of your door or change the packaging of the lock to fix the misalignment. Your local Locksmith can help you figure out what's required to get your door back into working in good working order.<br><br>Sticky<br><br>If your door's locking mechanism is sticking in a way, it could be a major issue. However, there are some things you can do to resolve the issue. The first step is to find out why the lock is stuck.<br><br>There are a myriad of reasons why a lock might not be functioning. One of them is the extreme heat of summer. Broken springs are another reason. A damaged spring could lead to the lock malfunctioning. The locksmith in your area can fix springs that are damaged.<br><br>To determine if your lock is stuck, remove it off the door. If, for instance, the lock is stuck in a rut, the lever may not be able of turning. Also, you can check if the door is not in the center.<br><br>A properly aligned door will be able to move easily and won't catch when closed. A door that is not in the center may make it difficult to open. Adjusting the hinges may fix this issue.<br><br>If the lock is not stuck you can use a key for opening it. Some doors come with deadbolts, which is a good thing. A chain can also be used to discourage intrusions.<br><br>There are many other uPVC door locks that you can choose from. When choosing a door lock it is crucial to think about the brand and model. A poor or cheaply designed lock can lead to more problems than it resolves.<br><br>In addition to the lock, you should also grease the hinges. WD40 is a great choice. You can also use warm water to get similar results in colder months.<br><br>Damage caused by an intruder<br><br>A uPVC-clad door is a good investment, particularly in modern homes. However, they can also be prone to issues. You have two options to choose from: either hire a professional or use locksmiths to fix your uPVC doors. The majority of these issues can be repaired for only a fraction of the expense of a total replacement.<br><br>It isn't easy to tell whether the uPVC door is being tampered with. One of the most obvious indicators is the presence of rot, as you would expect from the case of a wooden door. This is not the case with uPVC frames, however, since they aren't susceptible to decay and neither will the frame itself be affected.<br><br>Choosing the correct type of [https://the-challenger.ru/goto/aHR0cHM6Ly9oYW5jb2NrLXByaWNlLTQudGVjaG5ldGJsb2dnZXJzLmRlL3RoZS1tb3N0LXVuZGVycmF0ZWQtY29tcGFuaWVzLXRvLWZvbGxvdy1pbi10aGUtdXB2Yy1mcm9udC1kb29ycy1pbmR1c3RyeS0xNzE0OTAwODY4Lw upvc door fittings] lock is an important measure to ensure that your home is safe. There are a myriad of options, however certain locks are more expensive than others. High quality locks will protect your family from burglars. Installing bolts and chains is essential.<br><br>It's also beneficial to have a professional and well-informed locksmith to do the task. It is not something you'd like to happen. The local locksmith Sutton Coldfield is able to fix the majority of doors, even garages. In addition, they can repair padlocks and even perform emergency lock replacements.<br><br>You can also contact a mobile locksmith if you don't have the time or energy to install a new lock. They are usually less expensive than double glazing companies and can complete the job the first day. They'll also provide you with an honest, no-obligation quote. A damaged lock could pose an immediate security risk. A locksmith on the move that is reliable and trustworthy can help you avoid costly errors.<br><br>Replacing the Upvc door lock<br><br>Broken uPVC door lock mechanisms could cause serious problems. The locking mechanism could be stuck or not open properly. It could be caused by many factors like weather, age, or improper use. There are many methods to repair the problem of a uPVC lock.<br><br>It's not difficult to fix a broken UPVC doorlock. But , you must be sure you have the proper tools and equipment. It is also important to know how to do it correctly. If you do it wrong, it can lead to more problems in the future.<br><br>There are two major kinds of uPVC locks. One is a single lockcylinder, and the other is multipoint. Both have a central component, which is a gearbox. However, the gearbox could be a complicated part to [https://cse.google.com.iq/url?sa=t&url=http%3A%2F%2Fwww.annunciogratis.net%2Fauthor%2Fdeadlaugh88 replace lock upvc door].<br><br>Before you can attempt to repair a broken UPVC lock, you have to first take it apart. You can do this by using a screwdriver or a heavy duty crowbar.<br><br>After you have taken the locking mechanism off It is essential to ensure that it is properly lubricated. Light oil is best for this task. To stop annoying noises from forming and clogging up the uPVC locks, it is important to keep them lubricated.<br><br>Depending on the issue, you may be able to do some of the repairs yourself. A locksmith might be required if you don't have the right tools or expertise. They are equipped with the tools needed to complete the task and are well-trained.<br><br>A broken uPVC lock is uncomfortable and risky situation. Professionals can board up windows that have been damaged and replacing the locking mechanism. They can also be hired at a reasonable cost.<br><br>To ensure that the doors are lubricated uPVC doors you can also use a silicone-based lubricant. This will prevent the key from sticking and will assist in ensuring that the lock functions properly.
+
How to Fix a Upvc Door Locking Mechanism<br><br>A Upvc door locking mechanism might not work properly due to a variety of reasons. It could be due to a broken or damaged lock, a broken hinge or misalignment. An intruder can also cause damage.<br><br>Adjusting the hinges on butts<br><br>If you have an uPVC door and it is not locking correctly You may have to adjust the butt hinges. In order to do this, you'll need to open the door, take off the protective caps, and loosen the screws. Then, you'll have to move the pins in the adjustment slots in counterclockwise and clockwise directions.<br><br>When you adjust uPVC door hinges, start by making sure the door is level. You can use a spirit level or marker pen to mark the start point. When the door is level you can move the adjusters on the top and bottom.<br><br>Depending on the model of your uPVC door, you might require the removal of the caps protecting the door in order to expose the slot. To accomplish this, you'll need a Phillips or cross-head screwdriver. After removing the caps protecting you, it is possible to loosen the screws and take off the caps on the slot.<br><br>Next, you will need then an Allen key. Most uPVC doors have an adjustment slot for each hinge. Certain uPVC door models require an Allen key. Other models don't include adjustment slots.<br><br>Butt hinges on uPVC doors are usually found on older uPVC doors. However, you can find modern designs that allow side-to-side movement. Some older butt hinges require a cross-head or Phillips screwdriver.<br><br>You can also alter the flag hinges on uPVC doors. They can be adjusted in two ways either in height or compression. Each hinge will have an attached pin that runs through its top. This allows you to open or close your door horizontally, vertically or both.<br><br>Certain uPVC doors have an adjustment for laterals. This adjustment lets you move the hinge closer to the jamb. It is usually concealed behind a plastic covering.<br><br>Misalignment<br><br>If your UPVC door is sticking, it might be due to a misalignment of the lock mechanism. The issue could be simple or complex, but it needs to be addressed by a professional.<br><br>Misalignment can happen for several reasons, including worn hinges, a cracked or damaged glass panel, or improper packing. Changes in temperature can cause doors to expand and contract, which could result in misalignment.<br><br>Aligning your [https://www.lipkko.co.kr/member/login.html?noMemberOrder&returnUrl=http%3a%2f%2ffrancesoccer2.werite.net%2F14-smart-ways-to-spend-your-leftover-replacement-lock-for-upvc-door-budget upvc Back doors] doors should be simple and quick. It usually takes less than five minutes. To determine the distance between your door sash and your frame, you can make use of a spirit-level.<br><br>Cool water can be used to dowse your doors. This can fix the alignment issue. It's only a few seconds and could save you money on repairs.<br><br>One of the main issues with UPVC doors is the prevalence of misalignment. This is particularly the case with older style hinges which aren't designed to be adjusted. A faulty locking mechanism can show up as a sign of trouble even if the issue is only the slightest deviation from the norm.<br><br>While it's easy to overlook it, exposure to elements can cause alignment issues. Driveway gravel, for example can block the door's frame.<br><br>A poorly packed door panel can lead to a misaligned UPVC door. This could cause issues with locking and unlocking, or cause the handle to stop operating correctly.<br><br>In extreme weather conditions in extreme weather conditions, your UPVC door can expand or contract. This isn't an issue however it could cause problems with the locking mechanism of your uPVC doors.<br><br>To correct the misalignment you can alter the door's hinges, or repack the lock. Your local Locksmith can assist you in determining the steps needed to bring your door back into functioning condition.<br><br>Sticking<br><br>If your door's locking mechanism isn't working, it can be a major issue. There are a few things you can do to correct the issue. First, you have to determine the reason the lock is stuck.<br><br>There are a myriad of reasons why locks are stuck. One reason is the extreme heat of summer. Another reason could be a broken spring. A damaged spring could lead to the lock malfunctioning. Fortunately, a broken or damaged spring can be fixed by your local locksmith.<br><br>To determine if your lock is stuck, you'll need to pull it off the door and check it out. If the lock is stuck, it will likely not be possible to turn the lever. You can also find out if the door is off center.<br><br>A door that is aligned properly can move easily and won't get caught when closed. On the contrary a door that is off center can be difficult to unlock. Adjusting the hinges may fix this issue.<br><br>If the lock isn't stuck and you want to open it, you can use a key to unlock it. A deadbolt can be used on certain doors. Chains can also be used to discourage intrusions.<br><br>There are many different uPVC door locks you can select from. When choosing a door lock, it is important to take into consideration the model and brand. A poorly designed or cheap lock can cause more problems than it solves.<br><br>In addition to the lock, you must also lubricate the hinges. WD40 is a great choice. Warm water can be used to achieve the same result in colder seasons.<br><br>Damage caused by an intruder<br><br>A uPVC-clad door is a solid bet, particularly in modern homes. They also have their problems. There are two options available: hire a professional or rely on a locksmith to repair your uPVC doors. These issues can be fixed at just a fraction of the cost of a full replacement.<br><br>It can be difficult to know the signs that a uPVC door is being played with. One of the most obvious signs is the presence of rot which is what you'd expect to see in the case of a wooden door. However, this isn't the situation with uPVC frames though, as they are not susceptible to decay as well as the frame itself be affected.<br><br>It is crucial to select the best uPVC locking system for your home. There are a variety of options, but certain locks are more expensive than others. Invest in high quality locks, which will keep your family safe from burglars. In addition, installing chains and bolts are a must.<br><br>It's also beneficial to have a skilled and well-informed locksmith to handle the task. This isn't something you would like to occur. Your local locksmith Sutton Coldfield can fix most doors, including garages. They can also replace padlocks, and even do emergency lock changes.<br><br>Besides, if you can't be bothered to install the latest lock, it's possible to make a call to a mobile locksmith. They usually cost less than [https://1.gregorinius.com/index/d1?diff=0&source=og&campaign=4397&content=&clickid=hrx9nw9psafm4g9v&aurl=http%3A%2F%2Fatozsrilanka.com%2Fuser%2Fprofile%2F569445&title=joellemonetcream99964&url=https%3A%2F%2Fjoellemonet.com%2F&email=jettmcguigan%40web.de++skin+color+as+this+will+help+to+your+skin+to+become+richer+&smoother__For_greasy_skin_around_the_globe_beneficial%2C_since_it_is_soaks_oil_for_till_10_hours__Give_a_gentle_massage_with_the_face_using_moisturizer_and_apply_it_on_your_neck%2C_to_see_the_perfect_image_%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%0D%0A%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%0D%0AWell%2C_even_if_essential_oils_and_wrinkles_are_strongly_connected%2C_that_doesn%27t_mean_that_all_oils_work_the_same_and_how_the_result_always_be_what_you_expect__There_are_major_differences_between_oil_types_and_you_will_know_exactly_what_you_need_it_if_you_must_cure_your_wrinkles_%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%0D%0A%3Cbr%3E%0D%0A%3Cbr%3E%0D%0A%0D%0Ahealthline_com_-_https%3A%2F%2Fwww_healthline_com%2Fhealth%2Fhow-to-get-rid-of-frown-lines_For_fantastic_cutting_back_on_the_degree_of_food_consume_at_one_setting_will_help%2C_just_be_sure_to_switch_to_five_small_meals_each_working__For_many_men_and_women%2C_they_you_should_be_affected_by_acid_reflux_when_they_eat_a_lot_food__You_can_to_still_end_up_eating_the_very_same_amount_of_food_to_perform_just_divide_it_up_throughout_the_day%2C_instead_of_eating_everything_in_2_or_3_meals_%0D%0A---------------------------1692248488%0D%0AContent-Disposition%3A_form-data%3B_name=%22field_pays%5Bvalue%5D%22%0D%0A%0D%0ABahrain%0D%0A---------------------------1692248488%0D%0AContent-Disposition%3A+form-data%3B+name%3D%22changed%22%0D%0A%0D%0A%0D%0A---------------------------1692248488%0D%0AContent-Disposition%3A+form-data%3B+name%3D%22form_build_id%22%0D%0A%0D%0Aform-c673d3ab9883a7e4fa1cec1fd3225c4c%0D%0A---------------------------1692248488%0D%0AContent-Disposition%3A+for&a=&pushMode=popup double doors upvc] glazing companies and will complete the task the first time. They'll also give you an honest, no-obligation estimate. A defective lock can be a significant security risk and having a professional and honest mobile locksmith can save you from an expensive mistake.<br><br>Replacing the Upvc door lock<br><br>If a uPVC door lock mechanism breaks it could cause a number of issues. The locking mechanism may get stuck or stop working properly. It could be caused by a variety of factors including weather or age, or even misuse. There are several solutions to fix a uPVC lock.<br><br>Repairing a damaged UPVC door lock is not a difficult task. However, you must make sure you have the proper tools and equipment. You also need to be able to perform the task correctly. It can lead to more problems in the future If you don't do it correctly.<br><br>There are two kinds of uPVC locks. One is one lock cylinder and the other type is a multipoint lock. Both come with the gearbox as their main component. The gearbox can be difficult to replace.<br><br>Before you try to repair an unfixable UPVC lock, you have to first take it apart. This can be done using the help of a screwdriver or a sturdy crowbar.<br><br>After you have removed the locking mechanism, it is time to properly lubricate it. Light oil is the best choice for this purpose. To stop annoying sounds from occurring and clogging the uPVC locks it is important to keep them lubricated.<br><br>Depending on the issue, you might be able to do some of the repairs yourself. Locksmiths may be required when you don't have the right tools or expertise. They are highly skilled and possess all the equipment needed to finish the job.<br><br>A broken uPVC lock is uncomfortable and dangerous situation. Professionals can repair damaged windows and repair the locking mechanism. Additionally, they can be hired at a fair price.<br><br>To lubricate the uPVC doors you can also apply an lubricant made of silicone. This will stop the keys from sticking to the lock and will allow it to function properly.

2024年6月9日 (日) 03:54時点における最新版

How to Fix a Upvc Door Locking Mechanism

A Upvc door locking mechanism might not work properly due to a variety of reasons. It could be due to a broken or damaged lock, a broken hinge or misalignment. An intruder can also cause damage.

Adjusting the hinges on butts

If you have an uPVC door and it is not locking correctly You may have to adjust the butt hinges. In order to do this, you'll need to open the door, take off the protective caps, and loosen the screws. Then, you'll have to move the pins in the adjustment slots in counterclockwise and clockwise directions.

When you adjust uPVC door hinges, start by making sure the door is level. You can use a spirit level or marker pen to mark the start point. When the door is level you can move the adjusters on the top and bottom.

Depending on the model of your uPVC door, you might require the removal of the caps protecting the door in order to expose the slot. To accomplish this, you'll need a Phillips or cross-head screwdriver. After removing the caps protecting you, it is possible to loosen the screws and take off the caps on the slot.

Next, you will need then an Allen key. Most uPVC doors have an adjustment slot for each hinge. Certain uPVC door models require an Allen key. Other models don't include adjustment slots.

Butt hinges on uPVC doors are usually found on older uPVC doors. However, you can find modern designs that allow side-to-side movement. Some older butt hinges require a cross-head or Phillips screwdriver.

You can also alter the flag hinges on uPVC doors. They can be adjusted in two ways either in height or compression. Each hinge will have an attached pin that runs through its top. This allows you to open or close your door horizontally, vertically or both.

Certain uPVC doors have an adjustment for laterals. This adjustment lets you move the hinge closer to the jamb. It is usually concealed behind a plastic covering.

Misalignment

If your UPVC door is sticking, it might be due to a misalignment of the lock mechanism. The issue could be simple or complex, but it needs to be addressed by a professional.

Misalignment can happen for several reasons, including worn hinges, a cracked or damaged glass panel, or improper packing. Changes in temperature can cause doors to expand and contract, which could result in misalignment.

Aligning your upvc Back doors doors should be simple and quick. It usually takes less than five minutes. To determine the distance between your door sash and your frame, you can make use of a spirit-level.

Cool water can be used to dowse your doors. This can fix the alignment issue. It's only a few seconds and could save you money on repairs.

One of the main issues with UPVC doors is the prevalence of misalignment. This is particularly the case with older style hinges which aren't designed to be adjusted. A faulty locking mechanism can show up as a sign of trouble even if the issue is only the slightest deviation from the norm.

While it's easy to overlook it, exposure to elements can cause alignment issues. Driveway gravel, for example can block the door's frame.

A poorly packed door panel can lead to a misaligned UPVC door. This could cause issues with locking and unlocking, or cause the handle to stop operating correctly.

In extreme weather conditions in extreme weather conditions, your UPVC door can expand or contract. This isn't an issue however it could cause problems with the locking mechanism of your uPVC doors.

To correct the misalignment you can alter the door's hinges, or repack the lock. Your local Locksmith can assist you in determining the steps needed to bring your door back into functioning condition.

Sticking

If your door's locking mechanism isn't working, it can be a major issue. There are a few things you can do to correct the issue. First, you have to determine the reason the lock is stuck.

There are a myriad of reasons why locks are stuck. One reason is the extreme heat of summer. Another reason could be a broken spring. A damaged spring could lead to the lock malfunctioning. Fortunately, a broken or damaged spring can be fixed by your local locksmith.

To determine if your lock is stuck, you'll need to pull it off the door and check it out. If the lock is stuck, it will likely not be possible to turn the lever. You can also find out if the door is off center.

A door that is aligned properly can move easily and won't get caught when closed. On the contrary a door that is off center can be difficult to unlock. Adjusting the hinges may fix this issue.

If the lock isn't stuck and you want to open it, you can use a key to unlock it. A deadbolt can be used on certain doors. Chains can also be used to discourage intrusions.

There are many different uPVC door locks you can select from. When choosing a door lock, it is important to take into consideration the model and brand. A poorly designed or cheap lock can cause more problems than it solves.

In addition to the lock, you must also lubricate the hinges. WD40 is a great choice. Warm water can be used to achieve the same result in colder seasons.

Damage caused by an intruder

A uPVC-clad door is a solid bet, particularly in modern homes. They also have their problems. There are two options available: hire a professional or rely on a locksmith to repair your uPVC doors. These issues can be fixed at just a fraction of the cost of a full replacement.

It can be difficult to know the signs that a uPVC door is being played with. One of the most obvious signs is the presence of rot which is what you'd expect to see in the case of a wooden door. However, this isn't the situation with uPVC frames though, as they are not susceptible to decay as well as the frame itself be affected.

It is crucial to select the best uPVC locking system for your home. There are a variety of options, but certain locks are more expensive than others. Invest in high quality locks, which will keep your family safe from burglars. In addition, installing chains and bolts are a must.

It's also beneficial to have a skilled and well-informed locksmith to handle the task. This isn't something you would like to occur. Your local locksmith Sutton Coldfield can fix most doors, including garages. They can also replace padlocks, and even do emergency lock changes.

Besides, if you can't be bothered to install the latest lock, it's possible to make a call to a mobile locksmith. They usually cost less than double doors upvc glazing companies and will complete the task the first time. They'll also give you an honest, no-obligation estimate. A defective lock can be a significant security risk and having a professional and honest mobile locksmith can save you from an expensive mistake.

Replacing the Upvc door lock

If a uPVC door lock mechanism breaks it could cause a number of issues. The locking mechanism may get stuck or stop working properly. It could be caused by a variety of factors including weather or age, or even misuse. There are several solutions to fix a uPVC lock.

Repairing a damaged UPVC door lock is not a difficult task. However, you must make sure you have the proper tools and equipment. You also need to be able to perform the task correctly. It can lead to more problems in the future If you don't do it correctly.

There are two kinds of uPVC locks. One is one lock cylinder and the other type is a multipoint lock. Both come with the gearbox as their main component. The gearbox can be difficult to replace.

Before you try to repair an unfixable UPVC lock, you have to first take it apart. This can be done using the help of a screwdriver or a sturdy crowbar.

After you have removed the locking mechanism, it is time to properly lubricate it. Light oil is the best choice for this purpose. To stop annoying sounds from occurring and clogging the uPVC locks it is important to keep them lubricated.

Depending on the issue, you might be able to do some of the repairs yourself. Locksmiths may be required when you don't have the right tools or expertise. They are highly skilled and possess all the equipment needed to finish the job.

A broken uPVC lock is uncomfortable and dangerous situation. Professionals can repair damaged windows and repair the locking mechanism. Additionally, they can be hired at a fair price.

To lubricate the uPVC doors you can also apply an lubricant made of silicone. This will stop the keys from sticking to the lock and will allow it to function properly.