Good morning everyone, I have a question that has been on my mind for a while: How can I effectively protect my IKEA Billy shelves from moisture? Specifically, I want to place my shelves in a relatively damp room (a basement with slight humidity). I know that Billy shelves are mainly made of particleboard, which is prone to swelling or warping when exposed to moisture. Therefore, I am looking for practical solutions to extend the lifespan of my shelves. Are there particular sealants, varnishes, or protective measures that have proven effective? Or are dehumidifiers alone sufficient? I look forward to your experiences and advice!
This is amazing, all the information you’ve gathered! 🙂 I would also recommend protecting the shelves with a film or waterproof liners. Especially if water spills nearby, this prevents direct contact with the particleboard. Additionally, it helps if the room isn’t completely sealed so that air can circulate. 🙂
BAHADIRLEN schrieb:
Are there any special impregnations, coatings, or protective measures that have proven particularly effective? I would recommend a combination of water-repellent acrylic paint and a polyurethane (PU) sealant. PU is a bit more expensive but offers very good moisture resistance. Alternatively, epoxy resin can also be used as a sealant, although it is often too complex for DIY projects.
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vincent465 Jul 2022 18:48I would also like to emphasize that preventive measures such as vinegar-based cleaners or fungicidal sprays are only advisable in specific cases, for example, when mold traces actually appear. I would not recommend using them just as a precaution. It is better to rely on mechanical protective measures and dehumidification, as these are more effective in the long term.
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Sinan-meo6 Jul 2022 10:39karlau schrieb:
PU is a bit more expensive but has very good moisture resistance. That’s true, I work professionally with wood-based materials and can confirm that. It is important with coatings to treat all edges as well as the back side. Moisture often penetrates the material from the back.
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BAHADIRLEN6 Jul 2022 14:07Thank you for the many helpful responses! I find Sinan-meo’s comment about the back wall and moisture protection from the wall side especially interesting, as well as the tip about combining acrylic paint with PU sealing. I will also remember not to place the shelves directly on the floor and to ensure air circulation. If anyone has any advice on specific products or mixing ratios, I would be very grateful! 🙂
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