ᐅ What are your experiences with color fading on KALLAX back panels?

klo40 schrieb:
Coating with a UV protection spray (e.g., from the plastics or furniture care sector) can significantly slow down fading.

Thanks for the tip. Do you know of a specific product type or brand you would recommend? So far, I have only been thinking about wood preservatives or clear varnishes, but I’m not sure if they are suitable for my back panel.

Vinlen schrieb:
Recoating the back panel with a matte, UV-resistant spray paint

Would completely repainting the back panel with a matte UV-resistant spray paint actually be a good idea? I’m concerned that the paint might warp the thin cardboard or make it too heavy.

Marblerim schrieb:
Are you familiar with a specific product type or brand that you can recommend?

Yes, I have had very good experiences with products in the "UV protection spray for plastics" category. For example, "Plasti Dip UV Protect" or "Rust-Oleum UV-Resistant Clear Coat." These are specially designed for delicate surfaces and provide a thin protective layer against UV radiation. It is important not to apply too thickly to avoid putting too much stress on the thin back panel.

Marblerim schrieb:
Concerns that the paint might warp the thin cardboard or become too heavy

You are right; that risk exists. That’s why a very thin layer is crucial.
If the back panel is very thin (e.g., less than 3 mm (0.12 inches)), a light sealing spray applied to the front side would be advisable—better less than too much. I have done it this way myself and did not notice any deformation after some time.

Regarding the color fading of KALLAX back panels: These are usually made of coated hardboard without UV protection. The fading can be technically explained by the breakdown of color pigments due to UV exposure.

Facts:
- Direct sunlight significantly accelerates fading.
- The coating is not designed for UV stability.

Recommended actions:
- Position the shelving unit away from direct sunlight.
- Alternatively, purchase new back panels or build ones yourself from MDF or plywood with a UV-coated surface.
- Applying a transparent UV-protective varnish can slow down fading but does not provide complete protection.

Technically, the material’s color intensity cannot be restored after severe fading.

Dirkmin schrieb:
Direct sunlight significantly accelerates fading.

Exactly, that's all there is to it. If you keep the shelf in direct sunlight permanently, you shouldn’t be surprised.

The whole discussion about UV protection sprays is certainly reasonable; however, I am skeptical about their effectiveness. These sprays usually offer only limited durability, as they tend to degrade due to exposure to air and environmental factors.

klo40 schrieb:
Coating with a UV protection spray can significantly slow down fading.

That is true, but not equally effective for all materials.

I find the option of replacing the original back panel with a new one made of a suitable, so-called UV-stable MDF board more sustainable.

It is questionable whether applying paint yourself might damage the thin cardboard and whether the result will be aesthetically pleasing.

In conclusion: For me, the question is whether, given the price of KALLAX, it wouldn’t be better to choose a back panel with better UV protection or a different piece of furniture altogether if exposure to light is a concern.

Tinaneo schrieb:
In conclusion: For me, the question is whether at the price of KALLAX it wouldn’t make more sense to choose a better UV-protected back panel or a different piece of furniture altogether.

That’s true, but still, the KALLAX is actually very functional and affordable. So if you’re happy overall and only the back panel is causing issues, you wouldn’t want to buy a whole new piece of furniture.

Maybe IKEA should listen to customers and offer a version with a UV-protected back panel 😉