ᐅ How can I protect Ikea Hemnes furniture from moisture in unheated rooms?

Hello everyone,

I have a specific question about caring for and protecting furniture from the Ikea Hemnes series, which I plan to place in unheated rooms. These spaces include unheated basements or conservatories, where humidity can remain relatively high for extended periods and temperature fluctuations occur.

The Hemnes furniture is made of solid wood and, thanks to its finish, quite durable. However, I am concerned that moisture could still cause damage such as swelling, warping, or even mold growth on the furniture.

I am looking for proven methods, products, or precautions to protect the furniture from moisture without affecting the appearance or surface. Any advice on ventilation, treatments, or special products would also be helpful.

How do you best protect your Hemnes wardrobes or dressers in such unheated spaces against moisture? What experiences have you had?

Thanks in advance for your tips!

Hey Fopeteo, great topic! Hemnes is really nice, but moisture can definitely be a problem.

I kept my Hemnes wardrobe in the garden shed and here’s what I did:
- Always leave at least 5 cm (2 inches) of space from the wall for air circulation
- Use a good wood stain or furniture wax so the wood can breathe but moisture stays out
- Use dehumidifiers in the room, either small electric ones or moisture-absorbing packets

This worked really well for me! No swelling or damage after two winters. Very important: ventilate regularly, open windows from time to time even when it’s cold! Just keep at it, then it will last a long time!

So: protective treatment + spacing + dehumidification + ventilation = best combination!

Do not place furniture directly on the floor. Use feet or supports underneath to prevent condensation.

Treat wood regularly with protective oil to guard against moisture.

todunar schrieb:
- Use a good wood stain or furniture wax so that the wood can breathe but moisture stays out

I find this recommendation problematic. While a stain or wax can somewhat seal the wood surface, it at the same time limits the natural breathability of the wood. In an unheated, humid room, this could lead to condensation forming beneath the coating, which damages the wood over time.

A much more important factor, in my opinion, is controlling the indoor climate and ensuring good air circulation. This can be achieved by keeping a gap from the masonry, regularly ventilating the space, and using dehumidifiers.

Therefore, the idea of treating furniture with wax or stains should be approached with caution, especially since the safety and long-term effects of such products on Hemnes furniture are not sufficiently proven.

Josefane schrieb:
I find this recommendation problematic. A glaze or wax can somewhat seal the wood surface, but at the same time restricts the natural breathability of the wood.

Thank you for the important note, Josefane. This indeed argues against applying too strong a seal, as it would hinder moisture exchange. My idea was more to create a protective layer without completely blocking the wood’s structure.

How would you approach treating the wood surface then? Would you recommend natural oils like linseed oil or special furniture oils that protect the wood without sealing it? Or is it better to leave the piece of furniture completely untreated if it is kept only in a dry, well-ventilated room?

I am also curious whether different care instructions apply for Hemnes furniture because of its special lacquer finish.

Josefane schrieb:
In my opinion, a much more important factor is controlling the indoor climate and air circulation.

I completely agree, Josefane!

I just wanted to suggest alternatives in case the room is really very humid. Linseed oil or natural oils are great because they don’t suffocate the wood but rather nourish it.

Also, Hemnes has a white lacquer finish that already provides good moisture protection. It’s important that no scratches damage the surface severely, otherwise the wood underneath will absorb moisture.

My advice is therefore: avoid surface damage, consider touch-up painting in areas that get wear, and ventilate regularly. The wood has a solid base treatment with the clear lacquer from Ikea.

So, don’t over-seal, but also don’t leave it completely untreated. A balanced approach!