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So , You've Bought Double Glazing Locks Repair ... Now What?
Double Glazing Locks Repair

When a double-glazed window doesn't close, it creates draughts and allows heat to escape. It also reduces the security of your home and puts you at risk of burglary.

Double glazed window seals, hinges and handles can break down over time. If this happens, it can affect your windows' functionality and cancel any warranties you might have.

Locks that aren't working

While many people are careful when installing anti-burglar security systems for their gates and doors but they often forget that the windows are prime targets for burglars. Insecure locks can lead to draughts, let valuable heat escape and weaken the security of your home.

If you notice that your uPVC window locks are not working, there is likely that the lock mechanism is blocked. This is typically caused by an issue with a gearbox component. This can cause the handle not to open, but to rotate 360 degrees. This is a frequent issue with uPVC casement windows, but can also be found in tilt and turn windows, and even sliding sash windows.

In this situation it is possible to release the lock by applying pressure to the lever handle. This will unblock the gearbox and restore the window's opening. If this does not work, you may need to replace the window lock mechanism entirely.

Most modern uPVC windows use espagnolette locks. These are locking systems inside the window which secure the window by using mushroom-shaped locking cams that are inserted into the frame keep. Full Content controls the gearbox that then triggers the cams to either move up or down. The most frequent issue is when the spindle on the lock is damaged and the handle is unable to turn freely but not to move the window open or close.


A broken gearbox could cause your window to appear to be locked, but isn't actually. This can occur when the rods in the centre, also referred to as crocodile teeth fixings in the gearbox are snapped off. If this is the case, Misty Glaze can supply and install replacement rods in order to restore the function of your window.

It is crucial not to force the lock to break or get stuck lock. This can cause the lock to snap or break, especially if you have windows made of uPVC which expands and contracts with temperature changes. It is recommended to contact an expert locksmith who will determine the issue and repair it.

Sticky Doors/Window

It's a nuisance to have doors and windows that stick, but they may also indicate more serious structural issues. It is essential to seek professional assistance if you're having difficulty closing or opening windows or doors. The problem could be caused by a number of reasons, including foundation settlement or a lack of support in the crawl space.

Doors and windows often get stuck due to humidity or a problem with the frame itself. When exposed to moisture, wooden frames can warp. This can make opening and closing them a challenge, even if the hardware in good condition. The wood expands as it expands and pushes up against the hinges, causing friction.

If your door or window gets stuck in the summer, try rubbing it with bar soap to lessen the friction. This will allow it to shrink and can resolve the issue temporarily. This procedure may have to be repeated regularly during periods of high moisture.

A more permanent solution involves making the door or window frame down to a smooth finish. This can be done by hand or with a power tool. A professional can also sand down and stain or paint your door or window frame to make it appear like new.

If sanding and soap aren't helping it's likely the issue is due to foundation settlement or a compromised crawl space. Look for cracks in the area. If you notice these signs, it's time to call in a foundation repair specialist. Foundation damage can cause uneven floors, a misaligned wall and doors that are stuck. To avoid future costly and risky repairs, it's important to address these issues as soon as you can. These issues can escalate until your home is unstable and structurally unsound if not addressed. Contact the Southeast's top foundation repair experts today to set up an inspection and repair!

Cracking/Blowing Issues

Cracks can appear when double glazing begins to break down. It can be unappealing and allows all the heat that's stored within your home to escape. This could also pose an injury risk to your family as the sharp glass pieces could cause injuries when they break. It is better to fix any double-glazing window with a crack before they get worse. This can increase the cost of replacement.

Window seals are vital for keeping air in between your window panes, and also for stopping drafts from entering your home. Over time, these seals will shrink or eventually become perished due to changes in the weather. If left unchecked this could lead to condensation in the home, condensation and draughts.

A professional can usually solve this problem. They can repair the window seal and restore your windows to their original condition. They will also suggest options to reduce the chance of future stress cracks, like trickle ventilation for better air circulation.

You can also grease the handles and hinges on your windows and door. This will enable them to move more easily, and the lock to function as it should. Rub some lubricating oils on a cloth that is free of lint and rub them into the hinges or handle mechanism, as well as places where they go through frames (for instance, a window with sash). It is also beneficial to remove the handles from the frames and clean them by using warm water to rid them of any dirt or grit which has become stuck to them.

It is crucial to contact a professional if you find that your uPVC windows and doors aren't functioning as they should. They can pinpoint the issue quickly and solve it in a short time. It is a lot cheaper and more secure than trying to do it yourself and possibly harming the mechanism. You'll also be able to rest in peace of mind knowing that your home is secure and safe.

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