Notes

Why We Why We Double Glazing Door Lock Repairs (And You Should, Too!)
Double Glazing Door Lock Repairs

Is your uPVC door or window mechanism not working properly? Perhaps the door or window handles don't meet up properly or are hard to use.

You will lose energy if your double-glazed doors don't work properly. This increases the likelihood of burglaries. Owen the Locksmith will be able to repair your door lock at a reasonable cost.

Snapped Key

If a key is snapped off inside the lock, it can be incredibly difficult. It could also be a security risk, as it may expose you to burglars if your door does not lock. There are fortunately simple fixes you can try to resolve the problem and get your door operating properly again.

First, remember to stay calm. If you panic and start poking around wildly you could end up pushing the damaged piece of the key further into the lock, which could make the situation even more difficult.

Next spray WD-40 or another penetrating oil into the lock to aid in making the broken piece slide out more easily. You can also use a screwdriver to break up any pieces stuck. If you have a chunk of the key that is still sticking out, grab it with a paperclip or other thin metal object and pull it. Both methods are effective, but you need to be careful not to push the broken key piece further into the keyway.

Some paperclips come with grooved edges which can be used as hook extractors. Jigsaw blades also work well for this. If you don't happen to have one of these tools, you can bend a hook using needle-nosed pliers. Additionally, a pair of tweezers can be used to grasp and pull out the remaining bit of the broken key.

If you are unable remove the broken key piece, use a lock deicer. It is available in most hardware stores and works by freezing any moisture that may be present inside the lock.

If none of these solutions work, it may be time to contact a locksmith. Fitlocks experts can fix problems such as broken handles and snapped keys with uPVC locks and door mechanisms. They can also reconfigure the double glazing door mechanisms to ensure that they are more easy to use. You can book a double-glazing repair online or call us to discuss your requirements.

Broken Cylinder

A broken cylinder can pose an extremely risky security issue. A professional locksmith can easily repair the cylinder. Locksmiths will need to tap the cylinder to repair it. They can do this with an hammer or another tool, but the best method is to make use of a long match or a piece of wire. Then, position the match's end or wire near the keyway. The locksmith can strike the lock and break it open. This is more secure than using the hammer, which could damage the lock.

The most frequent cause for cracks in the head of a cylinder is due to overheating. This can occur when the cylinder block as well as the cylinder head are made of different metals, like cast iron and aluminum. Different metals will heat up and cool down at different rates. This can cause localised hotspots to expand quicker than the rest of the cylinder.

Corrosion is another possible reason for cracks in the cylinder. If the cylinder head as well as the cylinder block aren't properly maintained, this can result in corrosion or rust, which may cause them to expand at a higher rate than they should. In time, this could also cause cracks.

If your uPVC window or door lock is stiff and requires a lot more pressure to turn, it could be due to a variety of reasons. This problem can be caused by a faulty locking mechanism or misalignment or a worn-out handle.

This is a simple and affordable fix that the majority of homeowners with double glazing can perform. A professional locksmith will usually fix this problem within one hour of arriving at your home. They can replace the locking mechanisms, or replace the window handles and change the gearboxes, based on the specific requirements of your home. A professional locksmith can always advise you on the most cost-effective options for your home. They can even suggest upgrades to high-security 3 Star Euro cylinders, TS007, that will give you an additional layer of protection against burglars. It is a small cost to enjoy the peace of mind that comes from knowing your uPVC door is secure.

Broken Handle

Window handle locks have complex mechanisms that become less effective with time and usage, so it's no surprise that they can break. If yours fails it's difficult to determine the source of the issue. Make sure you fix it correctly.

The issue could be related to the locking mechanism inside or the latch, repairing your broken handle will increase your uPVC double glazing door's security as well as help you to stop draughts. Incorrectly repairing or replacing your handle can be expensive and can damage the door's frame and lock It is therefore worth taking the time to do it correctly.

Screwdriver: With the window open and the screw loose, loosen the handle. The screw should be located on the inside of the backplate, which is usually hidden by the cap of the screw to enhance the appearance. Be careful not to lose any of the internal parts within the handle, like the levers or plates on the opposite side of the spindle. Ideally, keep these in the same order so you can replace them if needed.

Then, with an additional screwdriver, loosen the screw that connects the handle to the spindle in the back. Once the screw is loose, pull the handle out and take the broken spindle out. Replace it with a new spindle, ensuring it's the same length (you can buy them on the internet or in hardware stores). Securely screw it into the frame. Do not tighten the screw too much as this can harm the handle as well as the window frame.

Check that the new handle is fitted, then close and test the handle. It should operate smoothly, and you will be able to open your window after a few times.

Don't forget to double-check that your uPVC window is shut properly when you're working with the handle. If they don't close properly, you could experience damp or draughts in your home. You could also compromise the energy efficiency of your home. Core Sash Windows is a local window company that can adjust the hinges on your window frames to ensure they close properly.

Broken Spindle

It is more likely for the spindle to break than the handle. This is especially typical in uPVC tilt and turn windows. These windows require a handle that operates a locking device in the frame of the window. repairmywindowsanddoors is attached to a central rod that triggers the cams with a mushroom shape that lock into the window frame keep. If the dead latch mechanism fails to open when the handle is turned it is likely that the spindle has broken and this could be a very frustrating issue.


There are ways to fix this issue. A reputable locksmith can swiftly and effectively fix the issue. They can disassemble the window handle by using a tool that can remove the wheel component of the mechanism that is where the spindle is. This can be done with no damage to the handle or the window frame.

After removing the wheel the technician can examine the spindle and identify the reason for its break. This involves disassembling the spindle, and then examining each component part, noting any damage or excessive wear. This process is usually carried out by technicians working in an environment that is clean.

Next, clean the damaged spindle. This will help get rid of any dirt or other debris that might be preventing it from working normally. The spindle can be replaced or repaired. If it is being replaced the technician can take an identical dowel size to the one used in the first and drill mating holes into both pieces of the spindle. This will ensure that the spindle fits perfectly with the handle.

If the damaged spindle cannot be repaired, it could require replacement. Home centres sell generic substitutes however if your window design is unusual you'll require contacting an expert in cabinet making or woodworking who can recreate the exact part. Once the new spindle has been installed it can be positioned to the handle by line up the screw holes in the handle with the frames existing screws. Once the new handle is installed, you are now ready to operate your uPVC window.

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