This Is The Advanced Guide To Double Glazing Door Lock Repairs Double Glazing Door Lock Repairs

Is your uPVC door or window mechanism faulty? Perhaps the handles on your uPVC windows and doors are not aligned properly or are difficult to operate.

You will lose energy when your double-glazed doors do not function properly. This can also increase the likelihood of burglaries. Owen the Locksmith can repair your door lock for a reasonable cost.

Snapped Key

If a key breaks within a lock, it can be incredibly annoying. It could also be a security risk since the door may not be locked and leave you open to intrusion. There are a couple of quick fixes you can try to fix the problem and make your door functional again.

Be sure to remain calm. If you get scared and start poking around wildly, you might just end up pushing the damaged piece of the key further into the lock, which could make the situation much worse.

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

Some paperclips have grooved edges which can be used as hook extractors. Jigsaw blades also work well for this. If you don't have any of these handy, you can use needle-nose pliers to bend them and create a hook. Also, a pair tweezers can be used to grasp and remove the remaining part of the broken key.

If you are unable to remove the broken key piece then you can use a lock deicer. It's available at most hardware stores and is used to freeze any moisture that may be present inside the lock.

If none of these solutions work, it might be time to call a locksmith. The experts at Fitlocks can quickly resolve issues with uPVC door mechanisms and locks, including snapped keys and broken handles. They can also reconfigure double glazing door mechanisms so that they are easier to operate. You can request an appointment online for a double-glazing repair or contact us to discuss your needs.

Broken Cylinder

A broken cylinder can be a serious security risk. A professional locksmith can easily repair the cylinder. Locksmiths will need to tap the cylinder in order to fix it. They can do this using a hammer or other tool, but the best way is to use a long match or a piece of wire. Then, place the match's tip or wire in the keyway. The locksmith can strike the lock and break it open. This is better than using a hammer, which can damage the lock.


Overheating is the primary reason for cylinder heads to crack. This can occur when the cylinder block and cylinder head are made of different metals, such as cast iron and aluminum. When the different metals heat up and cool down at different rates, it could create hotspots locally that expand faster than the rest of the cylinder head, thus leading to cracks.

Another reason that could cause cylinder cracks is corrosion. When the cylinder head and the block of the cylinder are not properly maintained, it can lead to rusting or corrosion and cause them to expand at a a higher rate than they ought to. Over time, this can cause cracks.

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

Fortunately it is a simple and affordable fix for the majority of homeowners of double glazing. A professional locksmith can usually solve the issue within one hour of arriving at your property. They can replace the locking mechanisms, or replace the window handles, and also change the gearboxes based on the specific requirements of your home. A locksmith with experience will always be able to advise you on the most cost-effective solutions for your home. They may suggest upgrading to 3 Star TS007 Euro Cylinders, which offer an additional security layer from burglars. It's a small amount to get the peace of mind that comes from knowing your uPVC door is secured.

Broken Handle

Window handle locks have intricate mechanisms that wear out with time and use, so it's not a surprise that they sometimes break. It can be difficult to determine the reason behind a broken window handle lock and repair it correctly.

Whether the problem is in the internal locking mechanism or the latch, fixing the broken handle will increase your uPVC double glazing door's security and allow you to stop drafts. Incorrectly repairing or replacing your handle can be very costly and may cause damage to the door's frame and lock It is therefore worth taking some time to make sure you do it correctly.

With the window in the open position then loosen the screw that secures the handle using a screwdriver. The screw should be located on the inside of the backplate. It is typically covered by the cap of the screw for aesthetic reasons. It is not recommended to lose any internal parts of the handle like the levers and plates on either side. Keep them in the same arrangement so that it is easier to replace them if needed.

Then, turn the handle to make it 90 degrees to the window frame and loosen the screw at the back of the handle which holds it to the internal spindle by using another screwdriver. Once the screw is loose, you can pull the handle out and take the broken spindle out. Replace it with a new spindle, ensuring that it's the same length (you can purchase them online or at hardware stores). Securely screw it in place. Do not overtighten the screw as this can damage the handle and the window frame.

Close the handle and try it. Hopefully, it will work smoothly and you'll be able to open your window again.

Be sure to double-check that your uPVC window is shut properly while you're working with the handle. If they're not closing properly, you could experience damp or draughts in your home. It could also affect the energy efficiency of your home. A local window company, like Core Sash Windows, will be capable of adjusting the hinges on your window frames so they can shut properly.

Broken Spindle

It is quite common that the spindle in the handle breaks, rather than the handle itself. This is especially common in uPVC tilt and turn windows. These windows require a handle that operates a locking mechanism in the frame of the window. double glazing repair is connected to a central rod that triggers the locks that are shaped like mushrooms and secure the window frame keep. If the dead latch mechanism does not open when the handle is turned, it is most likely the spindle is broken. This could be a problem that is frustrating.

Luckily there are options to rectify this issue. A reputable locksmith will be able to quickly and efficiently repair this issue. A professional locksmith can disassemble the handle of the window by using a tool to take out the wheel part in which the spindle is. This can be done without causing any damage to the handle or causing other damage to the frame of the window.

After removing the wheel, the technician can inspect the spindle to determine what caused it to break. This involves disassembling the spindle, and then examining each component part, noting any wear or damage. This process is typically performed in a clean, well-lit room by highly skilled technicians.

The next step is to clean the damaged spindle, this assists in removing any dirt or debris that might be hindering its normal function. The spindle may be repaired or replaced. If the technician is replacing the spindle, the dowel can be used that is comparable in size to the original. He will then drill holes that are identical to both pieces. This ensures that the new spindle is an exact fit with the handle.

If the damaged spindle can't be repaired it may require replacement completely. Home centres sell generic substitutes but if the window design is unique you'll need to contact a cabinet maker or woodworker who can replicate the exact piece. Once the new spindle is installed, it can be attached to the handle by lining up the holes for screws in the handle with the frame's existing screws. Once the new handle is firmly installed, you are now ready to operate your uPVC window.