Aluminium window frames have become incredibly popular in recent years, and it's not hard to see why. They offer a variety of benefits over frames made from other materials.

However, while aluminium window frames are incredibly durable, they are not exempt from scratches. This is likely why you'll want to know how to remove them!

In this guide, we'll explain a few different ways that you can remove scratches from aluminium windows. We also offer a variety of other guides here at UK Aluminium Bifold Doors, such as how to remove glue from aluminium windows and ideas for your front door.

Repair Techniques for Scratched Aluminium Window Frames

As we have mentioned above, aluminium window frames are affordable, durable, and low-maintenance window frame options.

However, they can pick up scratches like any other window frame material does, so before you repair scratches, assess how deep they are to decide the most suitable fix. This is why we have provided ways to fix this problem below.

Prompt attention can prevent costly replacement, reduce the need for frame replacement, and help maintain property value.

For severe damage, professional repair can save 50% to 80% compared to replacements while helping preserve the structural integrity of the frames.

Sanding the aluminium frame

If you have a plain aluminium window frame, this method is only suitable for small scratches on a plain metal surface.

Before sanding, remove dirt and dust with a soft cloth rather than abrasive tools to avoid scratching the frame further and help prevent damage. For very minor abrasions, a high-quality wax-based filler can be used before a light wipe and sanding.

If there is only one small scratch bothering you, then you should not use a sander. You can use a piece of sandpaper and some elbow grease until all of the scratches are gone.

If your window has many scratches, then you can use a sander, but you should be careful not to create more damage and choose the right tools. This sanding approach is not suitable for powder coated finishes or heavily damaged frames.

Touching up the aluminium fram

If your window frame comes with either a smooth glossy finish or a matte finish, you might be able to use touch-up products or Dulux repair kits to hide scratches on painted aluminium window frames.

You can often use some acrylic paint to do some touch-ups on matte finishes if you can find it in a colour that matches your window frame and suits the damaged area.

If your frame has more of a glossy look, then automotive paint or spray paint will be a better option, as long as it matches the colour of your frame. For a 100% color match on the repaired area, professional restoration is usually the better choice.

You should use this paint sparingly, applying it in thin, even coats for best results, then check the repaired area so it blends in and the finish looks right. Alternatively, you could repaint your window frame entirely if you think they look a little old and want a job that will deliver results.

Deep scratches on aluminium frames

If your aluminium window frame has deep scratches in it that have gone through the protective coating and caused deeper surface damage, then you may need to opt for a different solution.

You can repair these scratches using a high-quality filler, which can also help with minor dents, but more severe damage is best left to expert technicians using suitable repair techniques as part of the repair process. Once you have placed your filler on the scratches and it has dried, it can be sanded and painted to look like the rest of your frame.

Prompt professional repair can restore the frame to its former glory, help prevent aluminum oxide and corrosion in coastal areas, and is often completed in 1 to 3 hours per frame.

FAQs

How do you clean aluminium?

If you want to clean your aluminium window frames, regular cleaning every 3 to 6 months is essential as part of regular maintenance to prevent damage and avoid scratching the finish. Use a soft brush with warm water and a mild detergent to remove dirt from the frame, then rinse and wipe dry with a soft cloth. Avoid abrasive tools, bleach, and other harsh chemicals, and clear debris from each aluminium door track to maintain drainage. For more expert tips, keep the method gentle.

Can you repaint aluminium window frames?

Yes, you can easily repaint an aluminium window frame. If you think there are too many scratches on your frames, then you can cover the glass using some newspaper and sticky tape.

You can then apply spray paint in thin coats after proper masking, remove the newspaper and tape, and leave them to dry. diy attempts often look patchy, so professional repair is a better choice when you want to replace a factory finish as closely as possible.

Which coating is the best for aluminium windows?

A powder coating can increase the durability of your window frames significantly. Powder coated finishes are different from other options, and the best choice depends on the metal surface and how durable you need it to be. A protective coating also helps prevent scratches, corrosion, and other damage, and expert advice is useful if you want the most suitable finish.