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How to clean uPVC window frames and doors

Installing uPVC window frames can really open up your windows and make them look brighter, as long as they are kept clean. Discover our tips and tricks for how to clean uPVC window frames and doors in a quick and easy way.


how to clean upvc window frames

Key steps

  • Vacuum dirt from inside the uPVC frames.
  • Remove mould with a diluted bleach solution or specialised product.
  • Use vinegar and hot water to clean uPVC frames.
  • Use vinegar, water, and washing-up liquid for a streak-free finish on glass panes.
  • Avoid abrasive products which could scratch uPVC.

uPVC doors and frames are celebrated for their beautiful clean white image – until they get hit by the elements and dulled over time, that is! To restore uPVC back to its former glory, we’ll teach you the best way to clean uPVC window frames, sills and uPVC doors, too! For other door and window types, check out our article on how to clean aluminium door and window frames.

When cleaning your uPVC windows and doors, make sure you avoid abrasive cleaners and products such as scouring pads, which could remove the glossy finish.

How do you know that the surfaces in your kitchen and bathroom have been disinfected?

How to clean uPVC doors

Here are a few easy steps to clean your uPVC doors:

1.     If your uPVC is still in warranty, take extra care when cleaning your uPVC doors.

2.     Open the uPVC door as wide as it will go.

3.     Remove loose dirt and debris using a vacuum and the following steps:

  • The ideal choice is to use a brush nozzle on your vacuum.
  • If you don’t have a brush nozzle, attach a toilet roll cardboard tube. These can be cut or bent to shapes to fit the slots around the uPVC door.
  • Use the vacuum to clean around the inside of the door frame, paying special attention to the nooks and crannies in the corners and around the locking mechanism.

4.     Use 1 cup of white vinegar with 4 cups of warm water in a spray bottle to clean the frames.

5.     Leave it to soak for ten minutes before wiping down the frames with a soft cloth.

6.     If your uPVC door has glass panes, follow the instructions below for how to clean a uPVC window’s panes.

7.     Ensure that you clean regularly, especially if you have sliding doors which could be affected by a build-up of dirt.

8.     When cleaning your uPVC doors, avoid material and products such as:

  • Scouring pads
  • White spirit
  • WD40
  • Iron wool

How to clean uPVC windows from frame to sill

Take a look at the method below for our quick and easy solution to how to clean uPVC window frames, glass panes, and more:

1.     Open the window as far as you can.

2.     As with uPVC doors, vacuum the interior of the frame to remove any built-up dirt and debris.

3.     Always keep your eyes open when cleaning uPVC window frames. Mould can easily build up and should be thoroughly removed to prevent it spreading and getting worse.

  • Use a specialised mould spray for particularly bad cases.
  • A homemade alternative to chemical sprays is to mix one-part bleach with three-parts warm water.
  • Use a clean rag or paper towel to remove the mould from the surface.
  • Allow your windows to get a regular flow of fresh air, to keep the area free from damp and prevent mould from building up.

4.     Now you know how to remove mould from uPVC window frames, use the steps below for how to clean uPVC window sills and frames:

  • Mix the same spray solution as for uPVC doors above: 1 cup of white vinegar with 4 cups of hot water.
  • Spray the window frames and sills with the solution.
  • Leave it to sit for ten minutes.
  • Wipe down with a soft cloth, ensuring you remove any traces of the solution.

5.     To clean the window panes, follow the steps below:

  • Mix a bowl of warm water with a few drops of washing-up liquid.
  • Wipe the window pane with the soapy water and a soft cloth or sponge.
  • Remove excess water with a dry towel, kitchen roll or rag.
  • Mix 2 cups of water with ¼ white vinegar and ½ cup of washing-up liquid.
  • Dip newspaper into the mix and wipe the window panes in a circular motion. This will give you a smear and streak-free finish.

6.     Avoid using cream or other abrasive cleaners as they could scratch the uPVC.

Having read through this guide to cleaning uPVC window frames and doors, you now have everything you need to know to add that sparkle back to your home and be proud of your uPVC features.


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Originally published