I recently purchased a Billy shelf unit from IKEA and noticed that the shelves tend to bend under medium to heavy loads. Since I plan to use the unit mainly for books and moderately heavy items, shelf stability is very important to me. My question is: How can I effectively prevent sagging in Billy shelves without having to completely rebuild the unit? Are there proven methods, loading tips, or specific reinforcements that can be added? I’m also interested in whether the quality of the shelves varies between different versions, and if it’s worth looking for alternatives or if modifying the original shelves is sufficient.
I find it interesting that everyone always talks about reinforcements, but hardly anyone questions why IKEA uses such thin boards there. In my opinion, it’s a design flaw. Instead of constantly looking for DIY solutions, you could also consider choosing a different shelf that is better designed for the load. But yes, that’s obviously less appealing than quickly nailing a wooden strip underneath. 🙂
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Cecilera666 Nov 2023 12:35If you don’t want to deal with modifications, get the Billy shelves with birch veneer. They are sturdier than the standard MDF shelves and offer an easy way to reduce sagging.
Thanks in advance for the advice so far! Regarding the weight: mostly books (around 20-25 kg (44-55 lbs) per shelf), which are evenly distributed, but occasionally technical equipment that can be heavier in specific spots. The shelf depth is 28 cm (11 inches), so the standard shelves are not very deep. The suggestion of a beam along the front edge sounds interesting – what type of wood and dimensions would you recommend? If possible, I would also like instructions on how to properly install this beam without significantly affecting the appearance of the shelf. Basically, I want to keep flexibility, so I don’t have to fix the shelves permanently.
Ullamo schrieb:
Which type of wood and dimensions would you recommend? For reinforcement, I suggest using sturdy spruce or pine wood, as it is easy to work with and cost-effective. Dimensions: 18 mm (0.7 inch) thick, approximately 20 mm (0.8 inch) high, as wide as possible—about 28 cm (11 inches) to match the shelf width.Assembly:
- Use glue and screws.
- Pre-drill holes to prevent the wood from splitting.
- Position the beam along the front edge under the shelf board to reinforce this area particularly.
This way, the top surface of the shelf remains intact, and the overall appearance is hardly affected.
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Nathanaelk7 Nov 2023 10:04Joshbe schrieb:
Assembly: Use glue and screws. Pre-drill holes to prevent the wood from splitting. Additionally, I would recommend using small wood connector plates or, for example, specialized wood adhesive instead of screws if you want to avoid visible screw heads.Furthermore, you can use an H-shaped metal reinforcement profile (e.g., aluminum) that sits discreetly underneath the front edge of the shelf board. Such profiles are available at hardware stores and can be cut to size. Advantages: very rigid, lightweight, and hardly visible.
Do you already have tools and experience with woodworking?
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