Why preserve bamboo? Preserving bamboo extends its life and maintains its quality. Bamboo culms are a natural material and will decay with time. They are also susceptible to insect and fungal attack. This will limit the useful lives of the products they are used to produce and may reduce the quality of the raw material to the point that it is no longer useable. How are bamboos preserved? There are many methods of preserving bamboos but they can be divided into two general categories; non-pressure methods and pressurised methods. Non-pressure methods allow the preservative to penetrate the bamboo at a natural rate. Soaking the bamboo in preservative and allowing the preservative to penetrate by capillary or wick action are the main non-press...