ᐅ How do I properly attach Ikea Pax back panels?

Hello everyone,

I recently assembled an Ikea Pax wardrobe and now I’m wondering about the best way to secure the back panels so they stay stable and don’t shift or warp.

I noticed that the back panels are usually only fixed with small nails, which doesn’t seem very reliable to me over time—especially considering that the back panel provides important stability for the entire frame.

Does anyone have experience with alternative fastening methods or tips on how to replace the standard Ikea nails with better options?

I’m particularly interested in:
- What material the Pax back panels are usually made of (mostly thin hardboard?)
- Whether screws could damage the thin material
- How to install the back panel without tension and neatly

I would really appreciate practical advice and firsthand experience to properly secure the back panel and avoid damage or instability. Thanks in advance!

Ken-kin45 schrieb:
I recently assembled an Ikea Pax wardrobe and now I’m wondering about the best way to attach the back panels so that they stay secure and don’t shift or warp.

I completely understand, because I also doubted at first whether the thin back panels would hold with the small nails. At the time, I simply used the original Ikea nails but also added small felt pads behind them to prevent any warping.

However, later on I found it easier to use thin flat-head screws, which I carefully screwed into the back panel to avoid tearing. It’s important not to tighten the screws too much so the material doesn’t split.

Overall, I think the back panel should be attached so that it lies flat and tension-free. My key advice: fasten it evenly and keep checking to make sure everything is aligned before driving in the last nails or screws.

I know it can feel uncertain with such thin material—maybe you have similar concerns?

Back panels in Ikea Pax wardrobes are usually made of thin hardboard, which is only about 3 mm (1/8 inch) thick. Nails are generally sufficient to ensure stability if placed correctly.

My tip:
- Align the back panel first
- Carefully fix small nails every 15-20 cm (6-8 inches) along the frame
- Do not use screws, as they can easily split the material

Alternatively, you can use double-sided mounting tape or small brackets if you want extra stability, but this is usually not necessary.

SETHBLA schrieb:
Nails are usually sufficient to ensure stability when placed correctly.

I generally agree with this, but I would like to add another perspective: The standard fastening with thin nails and a very thin back panel hardly provides any structural stability against lateral deformation, especially with larger Pax systems.

One could argue that:
- Reinforcement with sturdier back panels (e.g., 6 mm (1/4 inch) MDF) or double back panel solutions are much more effective against twisting and cabinet movement
- Screws are generally problematic, but well-placed small brackets or metal strips significantly improve the construction without damaging the thin material

I find it important to point out the limitations of the original back panel because anyone expecting high stability should consider a modification that goes beyond simple nailing.

Do you have any experience using alternative back panel materials or upgrading to stronger fastenings? I ask because the standard solution seems too fragile to me, even though it may be fine for short-term use.