The roof is one of the most important parts of a building. In Thailand, there are currently many different types of roof sheets, made from various materials, which users can select according to their price and usability.can be removed from the coconut husk by hand or machine and is widely available to use as a raw material in fiber cement products due to its quantity, price, suit able mechanical properties, non-toxicity.The waste oil palm residue extracted from the pure oil palm represents 12 percent of the oil palm bunch and can be used for other purposes such as fiber production or fuel.Therefore, once the use of these natural materials increases, the production costs will be reduced and natural fiber will be a viable alternative to synthetic materials.