Doors have been widely popular as it is one of the most commonly used structures in construction. They control the atmosphere of a place by enclosing the air drafts as well as increasing the visual appeal of the architecture. Doors can be classified based on their mechanism such as high speed doors, rotating doors and hinged doors. In addition, doors can be classified based on their functionality as safety door, trap door and blast proof doors. Raw materials such as plastic, metal and wood are used in manufacturing of doors. The global market for doors has been significantly large as doors are implemented in every residential and non-residential structure. Plastic doors are expected to be the fastest growing segment in the door industry, where gains are largely driven by demands from China, India and Brazil. Plastic materials have mostly benefited from their reduced maintenance requirements, low cost and its insulating properties, which are expected to be a huge cont...