composite fibre plastic material 11 - BCAdurability. As an alternative to natural wood, composite fibre plastic material offers a practical ... The first step in composite fibre plastic fabrication is called compounding, where organic fibres are blended with inorganic recycled ... in pattern. The synthetic material is manufactured from the right proportion of mixed substances, and thus each board has the same appearance as the next. Moisture resistance. The plastic content in composite decking makes it less susceptible to moisture,.