LEMINEX exterior cladding panels consist of lengths of natural ﬁber ‐ about 65% of the weight ‐ and synthetic resins. The panels do not contain organic hologen (chlorine, ﬂuorine, bromine etc.) Compounds, such as occur in propellant gases or PVC. They contain neither asbestos nor wood preservatives (fungicide, pesticide etc.) and are free from sulphur, mercury and cadmium. The precisely managed production process have no negative eﬀects whatsoever on the environment.