ᐅ My KALLAX unit in the garden has swollen up completely after the frost – is it possible to salvage it?

Created on: 6 Feb 2019 19:33
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hanni53
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hanni53
6 Feb 2019 19:33
Hello everyone,

I have a problem with my Ikea KALLAX shelving unit, which I had placed outside in the garden – apparently, there was quite a frost this week. Now, one of the open modules I use without doors has swollen badly and looks really waterlogged. Is there any way to save it, or is the material so damaged that I need to throw it away?

Maybe there are tips on how to restore faded/swollen wood or wood veneer. I have some experience with wood, but KALLAX is probably made of particleboard with a laminate surface – which makes me uncertain.

How long would such a swollen module take to dry completely? And what should I watch out for to prevent further damage?

Thank you very much for your advice!
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Joshbe
6 Feb 2019 20:11
Hello hanni53,

Your KALLAX unit shows typical signs of moisture damage caused by frost and dampness – it is likely that the particleboard absorbed water and swelled as a result. This material is very sensitive to moisture since particleboards are made of wood fibers and binders that can expand and warp.

Whether the unit can be saved depends on how deeply the water penetrated. If only the surface is affected, the wood might be partially restored after thorough drying and careful sanding. However, the structure of the board may have softened due to moisture, which can compromise its stability.

My advice: Place the unit in a well-ventilated, warm area without direct sunlight (to prevent warping) and let it dry slowly for several days. After that, you can use fine sandpaper to smooth out any bulges. You should not rule out a complete replacement if the unit is very unstable or warped.

The foil or melamine coating is usually waterproof, but if it is damaged or cracked, the particleboard will absorb water. Also, the KALLAX is not designed for outdoor use.

If you want to tape or paint it again, make sure everything is completely dry first.

Best regards
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elmer
7 Feb 2019 07:39
Allow the module to dry slowly and completely, then sand it.

If it is severely warped, replace it. KALLAX is not suitable for outdoor use.
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vincent46
7 Feb 2019 09:52
Joshbe schrieb:
Place the module in a well-ventilated, warm spot away from direct sunlight (to prevent warping) and let it dry slowly over several days.

I can only agree with that. I also had a KALLAX outside last winter, and although the frost didn’t cause too much damage, it did swell. I brought it inside and let it dry slowly.

What helped me was moving the shelf occasionally to improve air circulation. Make sure the furniture panel doesn’t stay damp for extended periods, otherwise you risk mold.

I really hope your module can still be saved; they are usually quite sturdy. Once it’s dry, you can try sanding down small imperfections. Take it step by step, no rush 😉
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Timofa
8 Feb 2019 14:27
Hi hanni53!

Frost in the garden and Ikea furniture sounds like a not-so-great combination 😉 I once had a KALLAX that absorbed some moisture in the basement – luckily, it wasn’t completely ruined, more like a brief winter pause.
elmer schrieb:
Let the module dry slowly and completely, then sand it.

That’s exactly how I would handle it. Make yourself comfortable! Take your time and check if the moisture is really gone – at first, the piece will probably feel a bit limp, but with patience, it will recover.

If you like, you can repair the damaged material with wood filler, depending on how much it has swollen. Then sand it finely again and seal it with a thin coat of paint or varnish.

Just a tip: better keep the KALLAX indoors – it’s not really suitable for outdoor use 😉 Good luck and feel free to share how it goes!