How to Clean uPVC Windows : A Step-by-Step Guide

cleaning upvc windows

Since eighty’s, uPVC became a popular choice for windows due to its soundproofing capabilities, security features, energy efficiency and low maintenance. Not only it is durable, but it is also not prone to rot and rust. However, as time goes by, dirt and dust may accumulate in your windows and make it dull and dingy. Thus, cleaning it regularly is necessary to keep it fresh and bright. 

But what is the proper way of cleaning uPVC windows without leaving streaks? In this article, we’ve laid out a step-by-step guide in cleaning your uPVC windows and shared several tips that can save your windows from potential damages.

Here’s a list of the materials needed for window cleaning. 

  • A bucket
  • Lukewarm water
  • Clean cloths
  • Soft brush
  • Vacuum cleaner
  • uPVC cleaning solution
  • DIY cleaning solution (Vinegar + Washing up liquid)

It is essential to prepare these tools and materials to get the cleaning job done faster. Then, follow the steps to achieve your desired shiny look. 

How to Clean uPVC Windows without Leaving Streaks

Cleaning the Hinges of uPVC Windows

Cleaning hinges is quite tricky since it is not very accessible, but here’s a guide on how to make it easy:

  1. Open the windows as wide as possible but be careful not to damage the hinge and adjust when you encounter resistance.
  2. Remove the dust and debris from the hinge using the nozzle of a vacuum cleaner that has a soft dusting brush that helps to prevent scratching the surrounding area.
  3. If your window is hard to open, you can use and apply a lubricant oil to keep its movement nice and smooth.

How to Clean the Window Panes

It’s best to clean your windowpane on a dry, cloudy day since hot sunlight can bake streaks of cleaning product onto the glass before you can wipe it off.

Here’s a tip on how to clean your window panes:

  1. Start by removing the dust and cobwebs from the windowpane using a dry brush or a soft cloth. 
  2. Then, wipe down the windowpane with a sponge and lukewarm soapy water until the dirt is gone. You can use dish soap or any washing up liquid but remember not to use scouring pads even for tough grime and dirt because it can scratch the glass and window frames.
  3. Once dry, you can use glass cleaners to get the glass shining. 
  4. For a DIY alternative, mix 2 cups of water with ¼ white vinegar and ½ cup of washing-up liquid and spray it onto the glass, then use newspaper to scrub it off in a circular motion. It will give your window a smear and streak-free finish.

How to Clean uPVC Window Frames

  1. Before doing anything, loosen up the built-up dirt and debris first using a small brush or a rag with a rougher texture. Then, collect the loosened dirt using a vacuum cleaner.
  2. Prepare a bucket and fill it with warm water then dip a cloth into it and gently wipe the internal and external window frame surfaces. Cleaning it with warm water helps to remove the initial layer of grime and anything that might get smudged later when using detergent. Then, wipe the area dry.
  3. Get rid of the stubborn marks and spots using a soft cloth, warm water and soap. You can also create a mild soapy solution by mixing a washing-up liquid with a cup of vinegar and 4 cups of water or use a special uPVC cleaner. Then remove any traces of detergent or solution using cotton or micro-fibre cloth. 

You may need to repeat this procedure for every new stain, but the good news is uPVC surface makes the cleaning process a lot easier. And in most cases, you can remove dirt and grime up to 100% using the said cleaning method. 

How to remove moulds from uPVC window frames

  1. To remove the mildew and black mould off the uPVC frames, you can use a specialised mould spray for worse cases. But you can also create a DIY solution using hot water, soap solution and a soft cloth. 
  2. If it doesn’t work, you can also try mixing 1 cup of vinegar and 4 cups of hot water. Spray it on the uPVC using a spritzer bottle and leave it for 10 minutes.  
  3. Then, remove the mould from the surface using a clean rag or paper towel, and wipe it down with a dry cloth. 

Avoid using bleach or white spirits in cleaning UPVC to prevent discolouration in your uPVC. 

How to get rid of paint from UPVC window frames

  1. Apply a decent amount of a UPVC solvent frame cleaner and wait for the paint to soften.
  2. Then, scrub the painted surface with a non-abrasive scouring pad.
  3. If the solvent doesn’t help, you can also try using a steam cleaner or magic erasers. 

How to clean cement off UPVC windows

Removing cement can be challenging and annoying since you need to be extra careful not to leave streaks and scratches onto the frames. Which is why seeking the help of professionals that offer after builders cleaning is recommended. But if you’re a DIY-enthusiast and want to take on the task, here’s what you should do.

  1. Spray the desired area with a cement remover or cement dissolving products. 
  2. Wait until the cement gets soft, then clean it with a soft sponge or pressurised water. 
  3. Wipe all the residue with a cloth. If you want to restore your uPVC frame’s polished look, a uPVC cleaner is also a good alternative. 

Cleaning uPVC Window Frames Tips

Aside from learning the cleaning process, keep in mind the following tips in cleaning that will save your UPVC windows from potential damages and help you achieve the perfect look in your uPVC windows.

1. Use white rags or clothes only. Brightly coloured clothes and rags may cause leave colours in your uPVC window frames while wiping them with a cleaner or solution. It is a type of stain that is hard to remove so you surely don’t want it to get into your frames. 

2. Use a non-abrasive cleaning solution. The surface of uPVC window frames are sturdy, but it is very prone to scratching, and abrasive cleaning products and incorrect cleaning methods can cause irreversible. For example, you should avoid using bleach because it can ruin and discolour your window frames. So it is crucial to be sceptical in choosing your cleaning materials. Here are some other things that you should avoid in cleaning uPVC windows:

  • Cream cleaners
  • White spirits
  • WD-40
  • Scouring pads
  • Nail varnish remover
  • Methylated spirits

Cleaning and maintaining uPVC windows does require an effort. You need to pay attention to every part including the frames, hinges, sills, pane and glass, but it’s something very doable. By following the steps above, you can bring back your windows’ lustre and shine and doing it regularly can preserve your windows shiny and spotless look for a long time. 

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