Polyurethane seals linden wood, preventing dirt and stains from getting into the grain, making it easier to clean. It also protects it from scuffing to some extent. In addition, polyurethane slows the transpiration of water into or out of the wood moderating expansion, and contraction from seasonal humidity changes, it reduces cracking. Finally, it enhances the look of the grain by helping it reflect light better. The latter characteristic depends to some degree on the level of gloss of the poly. The author uses 25% of gloss.
For the purpose of the author’s artistic activity, i.e. artistic creation, the author uses water-based polyurethane paints exclusively provided and available at NS-OKOV DOO Novi Sad.