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The Most Hilarious Complaints We've Seen About Double Glazing Lock Repairs
Double Glazing Lock Repairs

Having quality locks on your windows and doors helps to prevent burglars from accessing your home. They generally don't like breaking glass or trying to wiggle through open windows.

Some owners of double glazing, however, have experienced problems with their door or window lock after the installation. Luckily, these problems are usually fixable and don't require to buy new double glazing.

Broken or damaged locks

If your uPVC window or door lock is damaged or broken, then a locksmith can repair it for you. They can fix hinges, striker plates and locks for your double glazing. They can also adjust the cylinder in order to fix any misalignment which could be causing your handle to operate correctly.

If the key fits into the lock, but it doesn't turn or is difficult to insert the mechanism could be locked up. Suggested Reading could be due to dirt or grime accumulating inside the mechanism. If this is the case, it may be possible for the lock to be cleaned and lubricated. It is important to make use of a dry lubricant such as teflon or graphite instead of oil which can attract dirt and adhere to the inside of the mechanism. After lubricating, insert the key into the lock and turn it. The lubricant should work its way through the mechanism and the lock should be able turn easily.

Screws that are loose within the lock mechanism are a different cause of a faulty lock. They may loosen and fall out or break off completely, preventing the lock from functioning properly. A screwdriver can be used to tighten the screws but it is important not to over-tighten them because this could damage the internal components.


A damaged lock could be dangerous for you and your family members especially if you have small children. They could easily open the door without your knowledge and gain access to your home. If you're worried that this might happen, a vetted professional locksmith can help re-secure the double glazing doors.

Misty Glaze is a professional uPVC company in Lancing that can repair all kinds of defective and broken mechanisms on uPVC doors and windows. We can also reconfigure your uPVC or double glazing locking system to meet your particular requirements, meaning that in a lot of cases replacement windows and doors are not required.

Handles that are damaged or broken

A lot of double-glazed windows come with a multi-point lock as part of the overall security package. This is a great choice for those who are concerned about potential thieves who may try for ways to gain access to your home. It is also a good idea to ask your installer about anti-lift blocks which can be put in on top of the existing locks and ensure that your window is secured in its closed position.

Handle locks are often damaged or fail. They are the first part that criminals employ to open your window. The good news is that this is one of the easiest parts to repair.

Modern uPVC handles and aluminium handles come with a multi-point locking mechanism, referred to as Espagnolette which is designed to resist forced entry. This security upgrade is often available as an extra on new uPVC window installation. Older style uPVC and aluminum handles can be upgraded to shoot bolt locking systems and again as an additional option on double-glazed window installations.

It is essential to fix handles as quickly as possible after it has been damaged. Faulty handles can prevent the window from closing properly and allow drafts in. It can also be a flaw that thieves who are opportunistic could take advantage of and put the belongings of your family and you at risk.

To repair the damaged mechanism, first gain access to the window frame and then remove the damaged handle. The gearbox that opens the handle is removed and the type of gear is identified, so that a replacement may be sourced which is in line with the profile of the internal window frame mechanisms.

After the mechanism is replaced the handle can be returned to the original screws. We recommend replacing them with longer screws to ensure the most secure fit. The final stage is to apply a coat of clear sealant to shield the handle from further corrosion. After you've completed this step the window should be functioning again at a fraction of the cost of replacing it.

Hinges that are broken or faulty

If your windows don't close properly, draughts could get in, your home's security barriers will weaken and there's an increased risk of water damage or damp. Broken or defective window hinges are a typical problem that can be fixed easily.

If you have a window made of uPVC that isn't able to open or close and close, it's likely that your hinges are broken or damaged and need to be replaced. A lot of window manufacturers will require that you purchase an entirely new window unit to fix this simple issue, but we are able to replace the hinges in order to save you money.

Window hinges can be damaged through repeated use, or they are weakened over time by corrosion. If you find a broken hinge, it is important to take steps to prevent further damage by taking care not to force the window open or closed.

Identifying your hinge type will help you identify the right parts to repair it. Maco, Mila and Roto are all brands of window hinges. Consult a professional to avoid purchasing parts that won't fit into your existing hardware. This can result in more damage.

Faulty hinges can be a major issue for your uPVC windows and doors. They can be a major source of noise and can also allow for water infiltration which could damage your windows.

To resolve this issue, first check that the pin barrel on both sides of the hinge is aligned. If it isn't, tap the head pin with the hammer to create a shallow bend in the hinge barrel. This will help keep the pin in place. Then, ask a helper to hold the door while you remove the hinges and hinge screws from both the doorjamb as well as the door. Replace the hinges and then install screws using glue. Finally, while the glue is drying, secure the hinges by using weights or clamps.

Once the hinges have been fixed, you should be able to install the door and attach the handle. It is recommended to replace the screws using the same length of dowels as the original screw, so that they align with each other.

Broken or damaged glass

While uPVC windows do a great job of keeping cold out and heat in, they may become damaged over time. This could include damaged or broken glass and defective locks. If left unattended, this can be a costly problem. It also can detract from the aesthetics of your house and can lead to loss of insulation, which is why it's crucial to repair any damage as soon as possible.

You can fix your cracked glass by yourself if you have the proper tools and techniques. First, ensure that the surrounding area around the glass is free of debris so that any shards don't injure anyone and aren't an accident hazard. Then, remove all broken glass pieces and dispose of them in the proper manner. Apply masking tape across the entire area. This will stop glass shards from sticking to your skin and scattering when you move them. If you're dealing with a double-paned window, it's a good idea to fit the glass pane before gluing it back in place so that you know you'll have enough space to complete the task.

Before applying the glue, wipe the entire surface of the broken frame and the glass with a a dry, clean cloth. Follow the curing and application directions, which may vary from product-to-product. You may need to clamp the glass that has cracked using clamps that are lightweight and designed to support fragile materials, based on the angle.

After the adhesive has fully set, carefully place the glass inside the window frame, making sure it's flush with the edges of the frame and that there are no gaps between the glass and the window sash. Avoid flexing the glass as you reinstall it, as this could weaken the seal. This could lead to condensation or water infiltration.

Contact a professional glazier like O'Brien(r), to arrange an appointment to replace your glass if the window is completely shattered. It's important to act quickly in the event of broken glass.

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