Colorless solvent-based wood preservative for exterior surfaces such as windows, external doors, garden furniture, pergolas, fences, etc. Easily penetrates and protects the wood effectively from insects such as beetles and termites, as well as from fungi that are responsible for discoloration and decay of wood or the formation of blue stains and mold according to European standards EN 113, EN 73, EN 84, EN 152, and EN 46, EN 118.