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A Step-By'-Step Guide For Double Glazing Door Lock Repairs
Double Glazing Door Lock Repairs

Have you noticed that your uPVC window or door mechanism become faulty? Maybe the handles on your uPVC windows or doors aren't aligned correctly or are difficult to use.

You'll lose energy in the event that your double-glazed doors fail to work properly. This also increases the risk of burglary. Owen the Locksmith will be able to fix your door lock at a reasonable cost.

Snapped Key

If a key breaks inside a lock, it can be incredibly frustrating. This can also be a security issue because it could leave you vulnerable to an intruder if the door is not locked. There are a couple of quick solutions you can use to resolve the issue and get your door working again.

Be calm. If you get scared and start playing around with your keys, you might just end up pushing the broken piece of the key even further into the lock, which could make the situation much worse.

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

Some paperclips have grooved edges that 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 with needle-nosed pliers. You can also use a pair tweezers to grasp and pull out the last piece of broken keys.

If you are unable remove the broken key piece, use a lock deicer. This is usually available at all hardware stores, and it works by freezing any moisture or ice that may be in the lock.

If none of these tricks appear to be working you, it's time to call in locksmith. Fitlocks experts can quickly solve problems like broken handles and broken keys with uPVC locks and door mechanisms. They can also reconfigure your double glazing door mechanisms to allow them to operate more easily. You can schedule repairs to your double-glazing online or call us to discuss your requirements.

Broken Cylinder

A broken cylinder can pose a serious security risk. It's fortunately a simple repair for an expert locksmith to complete. To fix the cylinder locksmiths will need to tap it. They can do this with a hammer or other tool, but the most efficient way is to make use of a long match or a piece of wire. Position the match or the wire's end close to the keyway. The locksmith will then hit the lock to break it. This is superior to using a hammer, which can damage the lock.

Overheating is the most common cause of cylinder heads cracking. This can occur when the cylinder block and cylinder head are made of different metals, like cast iron and aluminium. When different metals heat up and cool down at different rates, it can cause localised hotspots that expand faster than the rest of the cylinder head, leading to cracks.

Another reason that could cause cylinder cracks is corrosion. If the cylinder head and the block of the cylinder are not maintained properly, this could result in corrosion or rust that could cause them to expand at a higher rate than they should. Over time, this can also lead to cracks.

If your uPVC window or door lock is stiff and requires more pressure to turn, it could be due to a variety reasons. This issue could result from a defective locking mechanism or misalignment, as well as a worn-out handle.


Fortunately it is a simple and inexpensive fix for most homeowners of double glazing. A professional locksmith will usually solve this issue within an hour of arriving at the home. They can fix the locking mechanisms, or replace the window handles and replace the gearboxes, based on your particular requirements. A professional locksmith can always advise you on the most cost-effective solutions for your home. They may suggest upgrading to 3 Star TS007 Euro Cylinders, which give you an extra layer of protection from burglars. It's a small amount to enjoy the peace of mind that comes from knowing that your uPVC door is secured.

Broken Handle

It's not a surprise that window handle locks could break. They have complex mechanisms that wear out over time. If yours fails it may be difficult to identify the cause of the issue and make sure you fix it properly.

Whether the problem is with the internal locking mechanism or the latch, fixing the broken handle can improve your uPVC double glazing door's security and allow you to stop drafts. It could be costly to replace or repair your handle incorrectly and it can also damage the frame and the lock of your door.

With the window in the open position, loosen the screw holding the handle using the screwdriver. This should be located on the inside of the back plate, and is normally concealed by a screw cover for aesthetic reasons. You should not lose any internal components of the handle like the levers and plates on either side. Ideally, keep these in the same order so that you can replace them again if needed.

Then, with an additional screwdriver loosen the screw that holds the handle to the spindle on the back. Once the screw is loose, you can remove the handle and take out the broken spindle. Replace it with a new spindle, making sure it's the same length (you can buy them on the internet or at hardware stores). Screw it into the frame. Don't over tighten the screw as this can harm the handle as well as the window frame.

Close the handle and try it. The hope is that it will function smoothly and you'll be able to open your window again.

While you're working on the handle, make sure to check your uPVC windows are closing properly. If they're not closing 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 alter the hinges of the window frames to ensure that they close properly.

Broken Spindle

It is quite common that the spindle within a handle breaks rather than the handle itself. This is particularly common in uPVC tilt and turn windows. These windows require a handle that operates an locking device within the frame of the window. double glazing repairs near me is connected to a centre rod that in turn activates cams that look like mushrooms, they locks are inserted into the window frame. If the dead latch mechanism is not able to open when the handle has been turned, it's likely the spindle has been damaged. This can be a frustrating problem.

Fortunately there are steps that can be taken to remedy this situation. A reputable locksmith will be able to quickly and effectively fix this problem. They will be able to disassemble the window handle by using a tool that can remove the wheel component of the mechanism, where the spindle goes. This can be done without causing any damage to the handle or causing any other damage to the window frame.

After removing the wheel the technician can inspect the spindle to determine what caused it to break. This involves breaking down the spindle into its individual parts and meticulously noting their general condition, as well as any particular areas of damage or excessive wear. This process is typically carried out in a clean environment by skilled technicians.

The next step is to clean the damaged spindle. This helps eliminate any dirt or debris that could be hindering its normal functioning. The spindle can be repaired or replaced. If the technician is replacing the spindle, it is possible to use a dowel that is comparable in size to the original. The technician will then drill matching holes into both pieces. This will ensure that the spindle is perfectly matched with the handle.

If the spindle that is damaged is beyond repair, it may be necessary to replace it completely. Home centers offer generic replacements but if the style of your window is unusual then you will need to find a woodworker or cabinet maker who can duplicate the exact part for you. After the spindle is installed, it can be fixed to the handle. Place the screw holes on the handle with the screws that are already in the frame. Once the handle is securely set, you are able to operate your uPVC windows.

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