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5 Tools That Everyone Within The Double Glazing Door Lock Repairs Industry Should Be Using
Double Glazing Door Lock Repairs

Are you experiencing issues with your uPVC door or window mechanism broken? Perhaps the window or door handles don't meet up correctly or are difficult to use.

You'll be wasting energy when your double-glazed doors do not perform as they should. This increases the chance of burglary. Owen the Locksmith can fix your door lock for an affordable cost.

Snapped Key

When a key snaps off inside a lock, it could be incredibly frustrating. It also poses a security risk, as the door may not be locked and could leave you vulnerable to intruders. Fortunately, there are quick fixes you can use to solve the problem and get your door functioning correctly.

Be sure to remain calm. If you panic you could end up pushing the broken key piece further into the lock.

Spray WD-40, or any other penetrating oil, into the lock. This will help the broken piece come out more easily. You can also use the screwdriver to break up any pieces that are stuck. If you're lucky enough to have a little bit of the key that is sticking out it, you can make use of a paperclip or other metal object with a thin surface to grab it and then pull it out. Both methods work, but be careful not to push the broken piece of the key deeper into the keyway.

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

If you can't get the broken piece of key out, you can try using a lock de-icer. This is usually available at all hardware stores, and it works by freezing any moisture or ice that may be inside the lock.


If none of these tricks appear to be working you, it's time to call in locksmith. The experts at Fitlocks can quickly fix issues such as broken handles and snapped keys with uPVC locks and door mechanisms. They can also modify your double glazing door mechanisms to make them easier to operate. You can book a double-glazing repair online or call us to discuss your requirements.

Broken Cylinder

A damaged cylinder could pose a major security risk. A professional locksmith can easily fix the cylinder. A locksmith must tap the cylinder to fix it. They can do this with an hammer or another tools, but the most effective way is to make use of a long match or a piece of wire. The match or wire's end close to the keyway. After that, the locksmith will strike the lock to crack it open. This is more secure than using the hammer, which could damage the lock.

The most frequent cause for cracks in the cylinder head is overheating. This can occur when the block and cylinder head are made of various metals like cast-iron and aluminium. Different metals can be heated and cool at different rates. This can cause localised hotspots to expand faster than the rest of the cylinder.

Corrosion can be a cause of cylinder fractures. If the cylinder head as well as cylinder block are not maintained properly, this could result in corrosion or rust that could cause them to expand at a more than they should. This could lead to cracks over time.

If your uPVC window lock or door is brittle or requires an enormous amount of pressure to turn, this could be due to many things. This problem can result from a defective locking mechanism or misalignment, or a worn-out handle.

Fortunately it is a simple and cost-effective fix for the majority of homeowners with double glazing. A professional locksmith will usually be able to solve the issue within an hour of arriving at your property. They can fix the locking mechanisms, or change 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 also suggest upgrades to the highest-security 3 Star Euro cylinders, TS007, that will provide an extra layer of protection against burglars. It is a small cost to pay for the peace-of-mind that comes from knowing that your uPVC door is secure.

Broken Handle

Window handle locks have complex mechanisms that become less effective as time passes and usage, so it's no surprise they occasionally break. If yours is damaged it's difficult to determine the source of the issue and make sure that you repair it correctly.

Whether the problem is related to the locking mechanism inside or the latch, fixing your broken handle can improve your uPVC double glazing door's security and allow you to stop drafts. It is costly to replace or repair your handle if it is not done correctly and can also harm the frame and the lock of your door.

Screwdriver: With the window open, loosen the screw holding the handle. It should be located on the inside face of the back plate, and is normally concealed by a screw cover for aesthetic reasons. Be sure to not lose any of the internal components inside the handle, such as the plates or levers that are on the opposite side of the spindle. Keep them in the same arrangement to make it simpler to replace them in the event of a need.

Then, using an additional screwdriver, loosen the screw that connects the handle with the spindle at the back. Once the screw is loose, you should be able to pull the handle off and pull out the broken spindle. Replace it with a brand new one, making sure that it is the same length as the previous one (you will typically find them online or in hardware stores) and securely screw it in place. Be careful not to tighten too much as this could damage the handle or the window frame.

Close the handle and test it. It should function smoothly and you'll be able to open your windows once more.

Be sure to double-check that your uPVC window is shut properly when you're using the handle. If they're not closing properly then you may experience damp and draughts in your home as well as compromising your home's energy efficiency. Core Sash Windows is a local window company that can alter the hinges of the window frames to ensure that they shut properly.

Broken Spindle

It is more common for the spindle to break than the handle. This is most typical in uPVC tilt and turn windows. These windows require a handle that operates an locking device within the window frame. The handle is connected to a centre rod that triggers a set of mushroom-like locking cams, these lock into window frame keeps. If the dead latch mechanism is not able to open when the handle has been turned, it is likely the spindle is broken. This can be a problem that is frustrating.

Fortunately there are ways to rectify this issue. A professional locksmith will be able to quickly and effectively fix this issue. A good locksmith will be able to disassemble the handle of the window by using a tool to take out the wheel portion that houses the spindle. This is done without causing any damage to the handle or causing any other damage to the frame of the window.

Once the wheel is removed, the technician will examine the spindle to determine what has caused it to break. This involves disassembling the spindle, and then examining each component part, noting any wear or damage. The process is done in a clean room by skilled technicians.

The next step is to clean the damaged spindle. This will help remove any dirt or debris which may be obstructing it from working normally. The spindle may then be repaired or replaced. If it is being replaced the technician can take an identical dowel size to the one used in the first and drill mating holes in both pieces of the spindle. This ensures that the new spindle is an exact fit with the handle.

If the damaged spindle can't be repaired, it might need to be replaced entirely. Home centers sell generic replacements however if your window style is rare you'll need to contact an expert in woodworking or cabinet making who can make the exact component. Once the spindle has been installed, it can be connected to the handle. Line up double glazing repairs on the handle to the screws that are already in the frame. Once double glazing repairs is firmly installed, you are now ready to operate your uPVC window.

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