ᐅ How can I protect BILLY shelves from moisture?

Created on: 29 May 2021 08:17
J
jonnar
J
jonnar
29 May 2021 08:17
Hello everyone,

I have several Billy bookcases from IKEA in my apartment. Unfortunately, the room sometimes becomes a bit humid, especially during the colder months. My question is therefore: What is the best way to effectively protect my Billy bookcases from moisture to prevent damage such as swelling or warping? Are there specific methods, treatments, or protective measures that work well for these shelves? I would appreciate tips on prevention as well as practical guidance for existing protection, ideally including recommendations for materials that are safe to use and do not affect the appearance of the bookcases.
A
Alberto51
29 May 2021 09:02
Hello jonnar,

I can understand your frustration; moisture problems like these are really annoying. I had similar issues with my BILLY shelves. What I recommend is to first try lowering the overall humidity in the room—using a dehumidifier can help a lot.
jonnar schrieb:
How can I best protect my BILLY shelves against moisture to prevent damage such as swelling or warping?

After a while, I also raised my shelves slightly by placing small felt or cork pads underneath. This prevents direct contact with the often damp floor, which reduced the damage for me. In my opinion, the best defense against moisture is a combination of managing the indoor climate and small structural measures.

I had been reluctant to apply a protective coating for a long time, but adding a thin layer of clear varnish to the visible surfaces gave me a sense of additional protection.
E
Ellis
29 May 2021 09:15
Hi,

for BILLY shelves, I recommend moisture barriers such as acrylic or polyurethane varnish. Simple furniture pads can also prevent direct contact with the floor. Don’t forget to ventilate.
D
Danabla
29 May 2021 10:45
For a precise answer: BILLY shelves are mostly made of particleboard with a melamine surface. These materials are susceptible to swelling damage when exposed to moisture.

The following protective measures are effective:

1. Applying waterproof varnish to exposed edges and surfaces – clear varnish based on acrylic or polyurethane protects against moisture penetration.
2. Raising the shelves using rubber or cork feet prevents direct moisture contact from the floor.
3. Positioning the shelves as far away as possible from damp walls and windows.
4. Using dehumidifiers in the room reduces the risk of long-term damage.

Together, these measures provide the best protection. Please avoid oil-based or strongly scented products, as they can damage the melamine surface.
P
paulu
29 May 2021 13:12
I have had good experiences with clear furniture silicone. It is easy to apply and provides water repellency. Additionally, it keeps away from ground contact when the surface is wet from rain.
S
SauDietmar
29 May 2021 14:55
For better moisture protection of the BILLY shelving units, I would like to provide a brief guide:

1. Preparation: First remove all loose parts and thoroughly clean the surfaces to ensure there are no dirt or grease residues.

2. Masking: Tape off all areas not to be treated, such as back panels or inner sides, if only specific spots are to be treated.

3. Applying the finish: Use a thin, clear acrylic or polyurethane varnish suitable for furniture and wood-based panels. Apply two thin coats with a flat brush, allowing about 2 hours drying time between each coat.

4. Don’t forget the edges: Cut edges of particleboard are particularly vulnerable. Make sure to coat them thoroughly.

5. Raise the feet: Attach furniture pads made of cork or plastic to avoid direct contact with the floor.

6. Indoor climate: Ensure adequate ventilation and, if humidity is high, consider using dehumidifiers.

Common mistakes include applying the varnish too thickly, which often causes cracks or uneven surfaces. Also, since BILLY has a multilayer finish, stains or strongly penetrating oils must not be used, as they often damage the surface.