3 Reasons 3 Reasons Why Your Double Glazing Door Lock Repairs Is Broken (And How To Repair It) Double Glazing Door Lock Repairs

Have your uPVC window or door mechanism become faulty? Perhaps the door or window handles aren't aligned correctly or are difficult to use.

It's important that your double glazed doors operate smoothly, otherwise you'll lose energy and increase the likelihood of burglary. Owen the Locksmith can fix your door lock for an affordable price.

Snapped Key

If a key breaks within a lock, it can be extremely frustrating. It can also be a security issue, as it may make you vulnerable to a burglar if the door is not locked. Fortunately, there are some quick fixes you can try to resolve the problem and get your door working properly once more.

Be calm. If you panic, you could end up pushing the damaged key piece further into the lock.

Next spray WD-40 or a different penetrating oil into the lock to aid in making the broken piece to slide out more easily. You can also make use of a screwdriver to break up any pieces stuck that could be hindering the flow. If you're fortunate enough to have a little bit of the key that is sticking out it, you can make use of a paperclip, or any other metal object with a thin surface to grab it and then pull it out. Both methods work, but be cautious not to push the broken piece of the key further into the keyway.

Some paperclips come with grooved edges that can be used as hook extractors. Jigsaw blades are also well for this. If you don't happen to have any of these then you can bend a hook using needle-nosed pliers. Finally, you can use a pair of tweezers grab and pull out the last bit of the broken keys.

If you can't get the broken piece of the key out, you can try using a lock de-icer. It's available at most hardware stores and works by freezing any moisture that may be present inside the lock.

If none of these tricks seem to be helping then it's probably time to call in locksmith. The experts at Fitlocks can quickly solve problems with uPVC door locks and mechanisms that have snapped keys as well as broken handles. They can also alter the double glazing door mechanisms so that they are easier to operate. You can schedule an appointment online for a double-glazing repair or contact us to discuss your requirements.

Broken Cylinder

A broken cylinder can be a serious security risk. A professional locksmith is able to repair the cylinder. To repair the cylinder, locksmiths will need to tap it. They can do this with an hammer or another tool, but the best way is to use a long match or piece of wire. The match or wire's end in the keyway. After that, the locksmith will hit the lock to break it open. This is better than using a hammer that could harm the lock.

Overheating is the main reason for cylinder heads to crack. This can happen when the cylinder head and block are made of different metals like cast-iron and aluminium. Different metals will be heated and cool at different rates. double glazing repairs can cause localized hotspots to expand quicker than the rest.

Another possible cause of cracks in cylinders is corrosion. If the cylinder block and head are not maintained properly they could rust or corrode and cause them to expand more than anticipated. This can lead to cracks over time.

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

This is a simple and affordable fix that the majority of double glazing owners can accomplish. A professional locksmith can usually solve the issue within one hour of arriving at the home. Depending on the needs of your home they can change the locking mechanism, change the window handles, and change the gearboxes. A professional locksmith will be able to advise you of the most cost-effective option for your home. They can recommend upgrading to 3 Star TS007 Euro Cylinders that give you an extra security layer from burglars. It's a small price to pay for the peace-of-mind that comes from knowing your uPVC door is secure.

Broken Handle

Window handle locks are complex mechanisms that wear out as time passes and usage, so it's no surprise that they can break. It isn't always easy to pinpoint the reason for the broken window handle lock and then fix it properly.

Repairing your damaged handle, whether it's the internal latch or the locking mechanism will increase the security of your uPVC door and reduce the risk of draughts. When you aren't doing it right, replacing or repairing your handle can be expensive and can harm the door's frame as well as lock It is therefore worth taking the time to do it right.

Screwdriver: With the window open and the screw loose, loosen the handle. The screw should be located on the inside of the backplate. It is typically concealed by a screw cap for aesthetic reasons. It is important to not be able to replace any internal parts of the handle like the levers and plates on either side. Keep them in the same order so that it is simpler to replace them in the event of a need.

Then, with a second screwdriver loosen the screw that holds the handle to the spindle in the back. Once this is loose, you should be able to pull the handle away and pull off the damaged spindle. Replace it with a new one, making sure it is the same length as the old one (you can usually find these on the internet or at hardware stores) and screw it securely into the correct position. Do not tighten the screw too much as this could damage the handle and the window frame.

Close the handle and test it. Hopefully, it will work smoothly and you'll be able unlock your window.

Make sure to check that your uPVC window is shut properly while you're working with the handle. If they're not closing properly, you may experience damp or draughts inside your home. It could also affect the energy efficiency of your home. A local window company, like Core Sash Windows, will be in a position to adjust the hinges on your window frames so they shut correctly.

Broken Spindle

It is usually the case that the spindle inside a handle breaks rather than the handle itself. This is especially common in uPVC tilt and turn windows. These windows require a handle that operates an electronic locking mechanism within the window frame. The handle is connected to a rod in the centre that in turn activates cams that resemble mushrooms, which secure the frame of the window. If the dead latch mechanism does not open when the handle has been turned, it's likely the spindle is broken. This could be a problem that is frustrating.

There are ways to fix this problem. A skilled locksmith can quickly and effectively fix the issue. They can take apart the window handle using a tool that can remove the wheel component of the mechanism where the spindle goes. This can be done without damage to the handle or the window frame.

After removing the wheel the technician will inspect the spindle and determine the cause of the break. This involves breaking the spindle into its component parts and carefully recording their general condition, as in addition to any specific areas of wear or damage. This procedure is typically performed by technicians in a clean environment.

The next step is to clean the damaged spindle, this will remove any dirt or debris that could be hindering its normal function. Following this the spindle can be repaired or replaced. If the technician is replacing the spindle, he can use a dowel that is comparable in size to the original. The technician will then make holes in the same way into both pieces. This will ensure that the spindle will fit perfectly with the handle.


If the damaged spindle is beyond repair, it may be necessary to replace it completely. Home centers sell generic replacements, but if your window design is unique you'll need to contact an expert in cabinet making or woodworking who can recreate the exact part. Once the spindle has been installed, it is connected to the handle. Place the screw holes on the handle to the existing screws in the frame. Once the handle is firmly in place, you can use your uPVC windows.