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An Easy-To-Follow Guide To Double Glazing Locks Repair
Double Glazing Locks Repair

When a double-glazed windows will not close, it causes drafts that allow valuable heat to escape. This also reduces the security of your home and puts you at a higher risk of being a victim of burglary.

Double glazed window seals, hinges and handles can break down over time. If this is the case it could affect how your windows function and void any warranty you have.

Faulty Locks

Many people install anti-burglar devices on their main doors and gates However, they tend to overlook that windows are the most frequent targets for burglars. Incorrect locks can lead to draughts in the house, allow valuable heat to escape and weaken your home's security barriers.

If you find that your uPVC windows locks don't work, it is likely that the mechanism of the lock is jammed. This is usually because of a crack in the gearbox component. This could cause the handle not to open, but to rotate 360 degrees. This is a frequent issue with uPVC casement windows, but it can also be seen in tilt and turn windows and even sliding sash windows.

If this happens, you'll be able to unlock the lock by pressing the lever handle. This will unlock the gearbox and reopen the window's opening. If this does not work, you may have to replace the window lock mechanism completely.

Most modern uPVC windows use espagnolette locks. They are an internal locking system that secures the window using locking cams that resemble mushrooms which are inserted into frame keeps. The handle controls the gearbox which then activates the cams to either move upwards or downwards. The spindle of the lock may break, causing the handle not to move, but the window to close or open.

A broken gearbox could cause your window to appear to be locked, but it is not. This can occur when the rods in the centre, also referred to as crocodile tooth fixings in the gearbox are snapped off. Misty Glaze will supply and replace the rods if this happens.

It is essential not to try to force a stuck or broken lock. This could cause a lock to snap or break, especially if you have a uPVC windows that expands and contracts with temperature changes. It is recommended to contact an expert locksmith who will identify the issue and fix it.

Sticky Doors/Window

It is annoying to have doors and windows that stick and sag, but they can be a sign of more serious structural problems. If you're having difficulty to open or close a door or window, it's important to seek help from a professional as soon as possible. This could be the result of many things, including foundation settlement and impaired crawl space support.

Windows and doors can stick because of humidity or an issue with the frame itself. When exposed to moisture, wooden frames can warp. Even if the hardware appears nice, it can make it difficult to open and close your frames. When this happens the wood expands and presses against the hinges, creating friction.

If your door or window is sagging in summer and you are unable to get it to close, try using bar soap to lessen the friction. This will shrink it and may temporarily solve the problem. This solution will need to be repeated frequently during times of high humidity.

A more permanent solution is making the door or window frame to give it an even finish. This can be done by hand or with an electric tool. A professional can also sand, paint or stain your frame or door to make it look new again.

If soaping or sanding don't aid, the issue could be due to foundation settlement or a damaged crawlspace. The first thing you need to look for cracks in the affected area. If you notice these indications, you need to contact a professional in foundation repair. Foundation damage can cause uneven floors and misaligned interior walls which can lead to sticking doors and windows. To avoid future expensive and dangerous repairs, it's crucial to deal with these problems as soon as they can be addressed. These issues could escalate until your home is unstable and structurally unsound if not addressed. Call the Southeast's top foundation repair specialists to set up an inspection today!

Cracking/Blowing Issues

Cracks can form when double glazing starts to degrade. This can be unsightly and allows all the heat that's stored within your home to escape. It could also pose an hazard for your family, since the sharp pieces of glass could injure them when they break. It is recommended to fix any double glazing windows that show cracks prior to it getting worse, since this could increase the cost of replacing the windows.

Window seals are essential for keeping air in between the window panes and they also stop drafts from entering your home. However, over time these may become damaged or shrink due to weather changes. If not checked, it can result in condensation, moisture, and draughts in your home.

A professional can usually solve this problem. They will be able to replace the window seal and get your windows back to their original state. They can also recommend options to reduce the chance of future stress cracks, such as trickle ventilation for better air circulation.

You can also lubricate the handles and hinges of your doors and windows. This will allow them to move more easily and the lock to function as it was intended. Apply lubricating oil to a clean cloth and rub it into the hinges and handle mechanism, as well as the areas that they pass through the frame (for instance, sash windows). You can also take off the handles and wash them in warm soapy water to remove any dirt or grit.


It is essential to speak with an expert when you find that your uPVC windows and doors are not working as they should. i thought about this can pinpoint the issue quickly, and then solve it in a short time. It's much safer and cheaper than attempting to fix it yourself, and could cause damage to the mechanism. It will also give you peace of mind knowing your home is secure and safe.

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