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How to Lubricate uPVC Window Hinges for Smooth Operation 

How to Lubricate uPVC Window Hinges for Smooth Operation

Posted Date: Jan 25, 2024

Do your windows make that nails-on-a-chalkboard screeching sound when you try to open them? Do you have to put some muscle into sliding them up or down? Stiff, sticky windows are annoying, but fortunately, the solution is quick and easy. A basic lubrication keeps the hinges, locks, and tracks gliding instead of grinding. Just a few simple steps are all it takes to get your uPVC windows opening and closing with ease once again. 

Free Up Sticky Window Movement  

It might happen slowly over time, but vinyl windows can begin sticking and resisting operation as seasons pass. The constant opening and closing take a toll. Dust and grime build up, too, further gumming things up. But you may not think about maintaining your window hardware properly until suddenly one is outright stuck or the other starts making awful noises. Don’t ignore the signs of slowing windows! Addressing it early on by re-lubricating prevents more headaches down the road. 

Why Bother with Maintenance? 

Taking a bit of time for preventative care pays off exponentially in smooth function and longevity: 

• Loosens up stiff sliding operation 

• Silence squeaks for a peaceful ambience   

• Avoids broken hardware from straining 

• Saves energy by reducing air leaks   

• Extends lifespan by reducing wear  

It's simple - a little periodic preventative care goes a long way when it comes to avoiding major repairs later. Something as basic as spraying down sticky windows with some lubricant takes minimal effort. But maintaining that small habit means the window hardware keeps gliding smoothly for years instead of seizing up from dust and wear. However, it is recommended to seek professional experts for uPVC windows maintenance.  

Window Lubrication - Quick and Simple 

Getting uPVC window hardware properly re-lubricated can be done in a simple process with just a few basic supplies. The materials needed are likely already in your house: 

  • Silicone spray lubricant  
  • Clean cloths 
  • A toothbrush or pipe cleaner 
  • Painter’s tape (optional) 

Grab those items, head to the problem windows, and restore smooth operation using these steps:   

1. Fully raise windows to access hardware  

2. Wipe away built-up dirt and debris so lubricant contacts clean surfaces  

3. Apply light lubricant coating onto all hinges, locks, tracks - basically anything that slides or moves 

4. Operate components to distribute lubricant evenly   

5. Buff away excess  

6. Test window operation - reopen and close several times  

Be sure to use a silicone-based lubricant, not a petroleum product. The silicone allows vinyl components to glide freely again without damage. Reapply if needed and consider repeating the process during seasonal window-use changes. If these fixes are ineffective, it is advised to seek maintenance from experienced professionals. 

Things to Keep a Check on 

When you have the windows conveniently accessible anyway, take a minute to check: 

  • Hinge tightness - Are screws loose, causing movement and noise? Tighten if so.  
  • Weatherstripping - Faded or cracked seals allow air infiltration impacting energy costs. Replace worn strips. 
  • General component wear - Catch and replace small parts early before breakage requires full window repairs. 


Don’t neglect regular uPVC window maintenance! A modest effort keeps hardware operating smoothly for maximal savings on energy and repair costs down the road. Invest periodic time now or pay exponentially more later! With a few squirts of lubricant, your windows will be moving freely in no time. Moreover, if you're looking for professional help, it would be best to choose AIS Glasxperts. 

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