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Unterrainer Holzbau ist the only company in Europe employing the new radius panel technology (RAP) for quick and cost-effective production of curved plywood panels.


With this innovative technique, there are (practically) no constraints on your creative designs.

Holzbau Unterrainer’s newly-developed radius panels are so attractive because their production efficiency saves time and costs.

Prefabrication produces genuine value for money, reduces construction time and allows you to sell realistic schedules.


Radius panel technology enables you to respond creatively to the latest architectural requirements: this is truly contemporary construction.

Radiusholzplatten - gebogene Brettsperrholzplatten