New developments in the field of wood modification aim to enhance the intrinsic properties of natural timber. The limitation of wood should be preferably achieved with biobased ingredients and efficient, eco-friendly treatments possessing low environmental impact. Consequently, new solutions assuring expected properties and functionality over elongated service life and reducing the risk of product failure are constantly under development. This contribution presents results of wood treatment based on impregnation of different lignin solutions aiming to improve two relevant characteristics of wood dimensional stability and UV-resistance. It is expected that simultaneous improvement of relevant wood properties will enhance aesthetical appearance and its use for various applications, including outdoor environment.

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