ᐅ How do I repair Ikea HEMNES furniture that has warped due to moisture?

Created on: 9 Dec 2016 09:17
T
Tuncay
T
Tuncay
9 Dec 2016 09:17
Hello everyone,

I have a rather specific problem with my Ikea Hemnes furniture. Due to moisture, some parts have visibly warped, especially the doors and shelves. The deformations are partly bent and partly slightly swollen, which affects their functionality.

I’m interested in hearing if anyone has experience repairing such damage on HEMNES pieces. Specifically:
- What methods are available to straighten the wood (mostly MDF or solid wood with a lacquer finish)?
- Does sanding followed by oiling or repainting work, or is that counterproductive for moisture damage?
- Are there any special moisture barriers or wood treatments I could use to prevent further warping?

I want to approach this as sustainably and appropriately for the material as possible, so rather than simply replacing parts, I prefer repairing. If you have any tips on tools or products, please share.

I’m looking forward to your feedback and thank you in advance for your help!
S
SINTAR
9 Dec 2016 09:43
Deformations caused by moisture are unfortunately typical for MDF-based furniture like HEMNES.

For repairs: treat the wood with gentle pressure and moisture, then weigh it down. Finally, apply paint or oil to protect the piece.
N
neoren
9 Dec 2016 09:58
I would like to add: It is best to remove the furniture part, dampen it with a wet cloth, gently bend it as SINTAR suggested, then secure it with heavy weights. After drying, sand very carefully and then paint.
T
Tuncay
9 Dec 2016 10:31
Thank you for the initial tips, SINTAR and neoren.

I am not sure to what extent the MDF material will permanently straighten out again. The material usually absorbs moisture and doesn’t always remain dimensionally stable afterward, right?

Perhaps someone can share from experience how long a process with weighting and slow drying should reasonably take? And whether the entire surface should definitely be repainted afterward, since the moisture might have penetrated deeper?

Also, I wonder if I can use conventional wood varnishes, or if there are special products for furniture coatings like those from Ikea/Hemnes that enhance the effect?
D
draleo
9 Dec 2016 11:07
Regarding the questions raised:

1. MDF and moisture: MDF absorbs a lot of water, swells, and warps. Structural recovery is limited because MDF is not as elastic as solid wood.

2. Repair: The process you described of lightly dampening and applying weight is a common method for gentle reshaping. It is recommended to let the furniture dry in a warm, well-ventilated area for at least 24 to 48 hours.

3. Surface treatment: It is essential to refinish the surface, preferably with a suitable waterproof clear coat matched to the original finish, ideally solvent-based or specifically designed for furniture.

4. Moisture barrier: For future protection, water-repellent sealants on edges are especially effective because moisture tends to penetrate there first.

I advise against sanding down to bare MDF, as excessive sanding can damage the core structure.
P
PERON
9 Dec 2016 11:38
Hello Tuncay!

I know all too well the struggle with HEMNES and damp wood – the piece of furniture seems to have a mind of its own and does whatever it wants 😅

A little tip from me: If you want to fix the doors, try a combination of gentle steam and applying weight (pour hot, not boiling, water over a cloth and dampen the affected areas with the steam). This often helps the wood to gently return to shape.

Don’t forget to reapply the paint afterward, or it will start all over again! I usually use an acrylic paint from the hardware store that adheres well to MDF and is splash-resistant.

Good luck, you’ll get it sorted!