Hello everyone, I have a problem with my IKEA Besta that starts to sag after some time, especially with longer shelves holding heavy items. I suspect that the design or the material thickness of the shelf supports or side panels is not strong enough to withstand the load over the long term. Therefore, my question is: What specific measures can I take to prevent my Besta shelf from sagging permanently? Are there proven reinforcements, use of special materials, or perhaps adjustments during assembly? I look forward to your detailed tips and experiences, including recommendations for suitable reinforcement elements or alternative installation methods.
sarla schrieb:
IKEA does not officially offer many reinforcements for Besta.I find that interesting, as I had assumed IKEA at least provided optional reinforcements for their systems. Without official solutions, it of course becomes more difficult to find reinforcements that fit precisely.
One should also consider that an overly rigid profile could introduce stresses into the furniture, which puts load on the fasteners. Therefore, reinforcements should be chosen that integrate well into the existing construction and do not oppose the material’s natural flexibility.
Does anyone have experience using hollow aluminum or steel profiles, which are often recommended in DIY circles? Are such profiles truly practical and durable in real-world applications?
I use aluminum U-profiles under my Besta shelves. They provide significantly more stability. Proper installation with countersunk screws is important to ensure nothing sticks out. Short cross braces also help, if possible. This solution has been holding up without any issues for two years.
In addition to the previous posts: For the back panel, many shelving constructions only achieve structural stability through a solid backing. If you are skilled in woodworking, you can replace the thin fiberboard with plywood or a thin OSB board, which can then be reinforced with additional battens.
If the assembly is not yet firmly screwed together, please check every connection point and secure them if necessary with wood glue and extra screws. Especially for longer shelves, even slight flexibility can lead to noticeable sagging.
How much of the shelf’s own weight is the back panel supposed to support? The load capacity, depending on the type of shelving, is often crucial.
If the assembly is not yet firmly screwed together, please check every connection point and secure them if necessary with wood glue and extra screws. Especially for longer shelves, even slight flexibility can lead to noticeable sagging.
How much of the shelf’s own weight is the back panel supposed to support? The load capacity, depending on the type of shelving, is often crucial.
pakokla schrieb:
I use aluminum U-channels under my Besta shelves.Thank you for this useful tip, I will try the idea with U-channels. Should they be placed more on the front edge of the board or centered underneath to achieve the strongest effect?
fikeo schrieb:
If you’re skilled with DIY, you can replace the thin hardboard with multiplex plywood or a thin OSB panelThis suggestion also sounds interesting, possibly as a complete solution for a new installation. For now, I would prefer to start with reinforcements.
I hope my information helps you understand my situation better. Thanks to everyone for the replies so far!
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