ᐅ Which materials work well with the Pax system for DIY renovations?

I would like to start a thread for discussion about the question: Which materials work well with the Pax system for DIY modifications? I am particularly interested in which materials are best suited for making adjustments or additions to the modular Pax wardrobes from IKEA, without compromising appearance, stability, or functionality. It would also be helpful if you have experience with which materials bond well with the typical Pax finishes (melamine, wood veneer, painted surfaces) and which should be avoided. I am referring to both structural elements and decorative or practical enhancements. Thanks in advance for your informed contributions!

Basically, materials suitable for Pax conversions are those that are easy to work with and sturdy enough not to compromise the structure. Commonly used materials include: - Plywood panels: durable, strong, and stable against warping due to their layered construction. Well suited for shelves or cladding. - MDF: good for custom-made fronts or decorative elements, although less load-bearing than plywood. - Aluminum profiles: ideal for reinforcing parts or guide rails, as they are lightweight and long-lasting. It is important to use compatible fasteners with all materials to avoid damaging the cabinets. Surface compatibility should also be considered to prevent any unwanted reactions or discoloration.

Is plywood always the best choice? I ask because, although it is durable, it can be relatively heavy and somewhat expensive for simple applications or decorative purposes. In my opinion, you should carefully consider which material to use for each specific function. Additionally, it’s important to check how well the material integrates with the Pax components without making screws or adhesives too visible or compromising the appearance. What are your experiences regarding weight and additional load? Could using materials that are too heavy cause problems?

sifope schrieb:
Is plywood really always the best choice? I ask because although it is durable, it is also relatively heavy and somewhat expensive for simple applications or decorative purposes.

That’s a valid point! I would like to add that I also pay attention to a good balance between weight and strength, since the Pax cabinet doesn’t have unlimited load capacity. I am especially interested in recommendations for lighter materials that are still strong enough to be used for custom-made shelves or reinforcements, for example. The goal is definitely not to exclude solid wood or plywood purely for decorative elements, but to find the right compromise.

I can contribute quite a bit on this topic, as I have carried out several Pax modifications using different materials. In general, I recommend the following approach:

- For load-bearing elements such as additional shelves or reinforcements, I use plywood panels with a thickness of at least 15 mm (5/8 inches), as they are very stable and distribute weight well.
- For fronts or decorative coverings, I prefer MDF combined with high-quality paint or veneer, since this allows for very smooth surfaces.
- For profiles or narrow strips, I use aluminum profiles, which I often cut to size and attach invisibly with countersunk screws.
- Surface preparation is important: edges must be sanded cleanly and sealed; otherwise, the materials absorb moisture and warp.

One more tip: if you want to join the materials, it’s worthwhile to use hidden connectors like biscuits or dowels to keep the appearance neat. What exactly do you want to modify, or what kind of adjustments are you planning?

Surela schrieb:
For load-bearing elements such as additional shelves or reinforcements, I use plywood boards with a thickness of at least 15mm (5/8 inch), as they are very dimensionally stable and distribute weight well.

I can confirm that. Additionally, I have had good experiences with coated phenolic plywood, as it repels moisture and is easier to clean due to its smooth surface. These boards are especially a practical alternative for cabinets that might occasionally be exposed to moisture. However, they are more difficult to saw and require special saw blades.

Furthermore, when building your own shelves, I highly recommend paying close attention to weight distribution. Installing additional reinforcements on the side walls is usually advisable, regardless of whether plywood or particle board is used.