Window frames painting manual

Wooden frames are of course super beautiful, but to keep them good and beautiful for as long as possible, it is important to paint / paint them once in a while. You can have this done by a painter, but this is quite expensive. That is why it can be a good idea to paint your window frames yourself. This is also not a very difficult job, especially if you follow our handy step-by-step window painting guide . Goodluck!

What do you need?

  • Degreaser;
  • Cloth;
  • Paint scraper;
  • Soft brush;
  • Sandpaper;
  • Sander;
  • Dust cover;
  • Primer;
  • Acrylic sealant;
  • Painter’s tape;
  • Brush;
  • Paint roller;
  • Glass scraper.

Watch the video below for an in-depth guide:

1. Degreasing

The first step is to degrease the window frames, so that the paint can adhere well. Make sure you always start with degreasing and not sanding. Then you prevent the grease and dirt from being spread over the surface during sanding. You can easily degrease with a cloth and degreaser.

2. Scratching

After degreasing the frame, you get to work scratching imperfections on the frame. Think of loose parts and bad sealant seams. You can use a special paint scraper for this. After that, use a soft brush to brush the leftovers together to clean up.

Window frames painting manual DIY

3. Sanding

This step is very important. By sanding the window frames, you not only ensure that the surface is nicely smooth, but also that the paint can adhere well to the window frames. If you have an old frame that has been painted before, you always sand with sandpaper with grit 120. For new frames that are not painted, you can sand with sandpaper with grit 80. The easiest is to use a sander. The hard-to-reach places are best done by hand, just like the places along the glass. This prevents scratches on the glass. Use a dust cover for the dust, or ensure good extraction. Finally, dust the frame with a soft brush.

Window frames painting manual DIY

4. Prime bald spots

Sanding can cause bald spots. You need to prime these spots. A thin layer is sufficient. Of course, this also applies to new bare wooden frames.

Window frames painting manual DIY

5. Smooth out holes, crevices and cracks

Especially in old window frames, there can be irregularities, such as holes, splits and cracks. You can get rid of this with paint filler. Use a putty knife to apply the paint filler. Then lightly sand the filled spots with sandpaper. You can seal open seams and connections. Make sure you do this with acrylic sealant instead of glazing sealant. You use glazing sealant for the glass.

Window frames painting manual DIY

6. Mask windows

Before you start painting the frames, it is important to tape the windows with masking tape. That way you ensure that no paint gets on the windows and that the result is super smooth.

Window frames painting manual DIY

7. Paints

Then you can start to paint the frames. Use a brush for the edges and a roller for the large areas. To prevent dripping and sagging, it is important to distribute the paint well. Start with the horizontal parts of the frame, from bottom to top. Then you can paint the vertical surfaces. And then paint the entire frame from top to bottom.

Window frames painting manual DIY

Remove the masking tape immediately after painting. Did paint get on the windows? Then remove this with a glass scraper.

Window frames painting manual DIY

Window frames painting manual DIY


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