Monokote's a commercially available light weight plastic shrink wrap film available in various color schemes with an adhesive on one side, used to cover and form the surfaces of a model aircraft. The material's cut to size and applied to the airframe surfaces using a hobby iron or heat gun. The name Monokote alludes to monocoque, a type of stressed skin airframe construction. Monokote's also a type of fireproofing material, which's gypsum-based and's spray-applied.… (More on Monokote)