ᐅ Why is the Billy bookshelf still wobbly despite wall anchoring?

Created on: 16 Feb 2021 08:17
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pipeke
Hello everyone,

I have anchored a Billy bookcase combination to the wall, but the furniture still wobbles noticeably, especially when you shake it or place something inside. The plugs and screws are firmly installed, the wall is solid (concrete), and I followed the assembly instructions precisely. Still, it wobbles.

Can someone explain why this might be? Is it related to the design of the Billy shelving unit itself, or are there specific aspects of wall mounting that should be considered? I would like to understand what is causing the issue so I can find a solution if needed.

Thanks for your advice!
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pipeke
17 Feb 2021 07:49
Good morning everyone,

I reviewed everything again last night and took your suggestions into account:

- Mounted the fuse slightly higher (almost at the top of the shelf)
- Secured the back panel with additional screws, as there were only small nails holding it before
- Aligned the shelf and supported the underside with two small wooden wedges

Result: The wobbling is significantly reduced, but not completely gone. This gives me hope that it was due to leverage and the back panel.

Question: Would you recommend additionally fixing the shelf to the floor or sides with brackets, or could that be overkill?
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dunitan
17 Feb 2021 08:17
pipeke schrieb:
Would you recommend additionally securing the shelf with brackets at the base or sides?

That is generally an option, especially if there is no way to further improve the wall mounting. However, keep in mind that this makes the shelf less flexible and distributes the load over more connection points during movement.

Another idea is to combine the wall bracket with a foam pad to absorb slight movements.

In any case, it is very good that you are stabilizing the back panel. This usually reduces wobbling most effectively.
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KAUDRA62
17 Feb 2021 08:58
Great that you jumped in right away, pipeke!

I can only agree with the tips: The "lever effect" is really important for Billy-style shelves. It’s a bit like a seesaw – the lower the pivot point is, the greater the movement at the top.

Attaching wooden wedges is a clever trick; I’ve done that regularly as well. They act like ‘feet’ for the furniture and help relieve stress from uneven floors. 🙂

Angle brackets are certainly secure, but maybe try the simpler solutions first before you decide to “upgrade.”