Wood fibers are usually cellulosic elements that are extracted from trees and used to make materials including paper. Fiberboard is a type of engineered wood product that is made out of wood fibers. Types of fiberboard include particle board, medium-density fiberboard, and hardboard. It has good aesthetic properties, lighter weight, low cost hence it is used for class-A surfaces in automobiles such as door trim. Also, it has good thermal and acoustic insulating properties .