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It's The Ugly Truth About Double Glazing Lock Repairs
Double Glazing Lock Repairs

Good locks on your doors and windows will stop burglars from entering your home. Generally, they don't like breaking glass or slipping through windows that are not closed.

Certain double glazing owners however, have encountered issues with their window or door lock following the installation. Fortunately, these issues can be fixed without having to purchase new double glazing.

Broken or faulty locks

If your uPVC window or door lock is damaged or broken and requires a locksmith, they can fix it. They can repair hinges, striker plates, and locks for double glazing. They can also reposition the cylinder to fix any misalignment which could be causing your handle not to operate correctly.

If the key fits inside the lock, but it doesn't turn or is difficult to insert the mechanism might be stuck. This could be due to dirt or grime accumulating within the mechanism. If this is the situation it is possible for the lock to be cleaned and lubricated. Use a dry lubricant like graphite or teflon but not oil as oil can attract dirt, and cause it to stick to the inside mechanism. After lubricating, insert the key into the lock and turn it. The lubricant should make its way through the mechanism, and the lock should be able to turn with ease.

A faulty lock can also be caused by loose screws inside the mechanism of the lock. They can become loose and fall out or break off completely and stop the lock from working properly. The screws can be tightened with the help of a screwdriver. However, be cautious not to tighten them too much. This could damage the internal components.

A damaged lock could be dangerous for both you and your family, especially if you have young children. They can open the door without knowing and gain access to your home. If you're concerned about this happening, a licensed locksmith can offer fast and efficient assistance to secure your double-glazed doors.

Misty Glaze are a professional uPVC and double glazing business in Lancing and can repair all kinds of damaged and damaged mechanisms, handles, cylinders and lock systems for both uPVC windows and doors. We can also modify your uPVC or double glazing locking system to meet your particular requirements, which means that in many cases replacement doors and windows are not necessary.

Handles that are broken or damaged

As part of their overall security package most double-glazed windows feature a multipoint lock. This is a great option for those who are concerned about criminals who are looking to gain access to your home. Ask your locksmith for antilift locks. They can be put in alongside your existing locks and will ensure that your windows are securely closed.

It's not uncommon for the handles to be damaged or fail - they are the first component of your window to be pushed open by criminals who want to break into. Luckily, the good news is that this is one of the most simple parts to fix.

Modern uPVC and aluminium handles operate a multi-point locking system called Espagnolette that is designed to resist forced entry. This security upgrade is available as an option for new uPVC windows. Older style uPVC and aluminium handles can be upgraded to shoot bolt locking systems also as an optional feature on all new double-glazed windows.

It is important to repair a handle as soon as possible if it is damaged. Faulty handles can prevent the window from closing properly and allow drafts in. It could also be a weakness that opportunistic thieves could take advantage of and put your family's possessions and your own at risk.

The process of repairing the failed mechanism starts with getting access to the frame of the window and removing the broken handle. The gearbox is then opened to identify the type of gearbox used to open the handle. This allows a replacement that matches the profile and the internal window frame mechanisms.

After the mechanism has been repaired, the handle may be put back together using the original screws. However, we recommend replacing them with larger screws since they provide a more secure fit. The final step is to apply a layer of clear sealant to protect the handle from further rust. Once you've completed this step the window should be functional again, and at a fraction the cost of replacing it.

Hinges that are broken or damaged

If your windows do not close properly, you could experience draughts, the weakening of your home's security barrier, and an increased chance of damp or water damage. Broken or defective window hinges are a frequent issue that can be fixed easily.

If you have a window made of uPVC that won't close or open, it's likely your hinges are damaged or broken and need to be replaced. A lot of window manufacturers will require you to buy an entirely new window unit to address this problem, but we can replace the hinges and save you money.

Window hinges are usually damaged by repeated use, or weakened over time by corrosion. If you've got a broken window hinge, it is important to take precautions to avoid further damage. This means not causing the window to open or close.

The type of hinge you are looking for will help you find the correct parts to fix it. The most common types of window hinges include Maco, Mila, Roto and many other brands. Talk to a professional before purchasing parts that won't fit with your existing hardware. This can cause more damage.

Faulty hinges are a major problem for uPVC doors and windows. They can be a major source of noise and also allow water infiltration that can cause damage to your windows.

Verify whether the pin barrels on both sides of the hinge are aligned. If not tapping the headpin, use the hammer to make a slight bend in hinge barrel. This will hold the pin in its place. Ask a friend to hold the doors while you remove hinge screws and hinges. Replace the hinges and attach screws with glue. Finally, secure the hinges with clamps or weights while the glue sets.

After your hinges have been repaired after which you will be able to put back the door and re-attach the handle. Replace the screws with wooden dowels of the same size as the screw that was used to ensure that they are compatible.

Broken or Faulty Glass

While uPVC windows do an excellent job of keeping the cold out and the heat in, they may become damaged over time. This could include broken or damaged glass, as well as faulty locks. This issue can be costly should it be neglected. It also can detract from the aesthetics of your house and can lead to loss of insulation, which is why it's important to repair any damage as soon as possible.


You can repair your cracked glass yourself if you have the proper tools and techniques. Be sure that the area around the broken glass is free of debris, so that pieces of glass do not cause injuries or cause a trip hazard. After that, take away any broken glass pieces and dispose of them in the appropriate manner. Apply masking tape over the entire area. This will stop shards of glass from sticking to your skin and splintering when you move them. Pre-fitting the glass pane before applying glue is an ideal option when you have windows that have two panes. This will ensure you have enough space to finish your project.

Before applying the glue wipe the surface of the damaged frame and the glass with a a dry, clean cloth. Follow the curing and application instructions that may differ from one product to the next. You may have to clamp the cracked glass with clamps made of lightweight materials designed to support fragile materials, based on the angle.

After the adhesive has fully cure, carefully install the glass in the window frame, ensuring it's flush with the edges of the frame and that there aren't any gaps between the glass and the window sash. Be careful to avoid flexing the window when it's being put back in place, as this can weaken the seal and lead to condensation and water infiltration.

Contact a professional glazier such as O'Brien(r), to arrange an exchange if your glass window has been completely broken. It's essential to act swiftly in the event of broken glass.

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