In today’s world, the real estate industry is reckoned as one of the flourishing industries in the corporate sector. The growing population has led to the need of more houses and buildings. Not only this, various companies are evolving each and every day, thus increasing the need for more architectures. All these factors have encouraged, various builders as well as manufacturers to come forward and try their hand in this industry. All this have resulted in the growth of the real estate industry. Various manufacturers have also entered the scene and are manufacturing various types of building products, doors & windows being a good example. Doors can be described as a barrier or a panel that is used for covering the opening in a wall. The chief task of a door is to provide privacy as well as security. A window can be described as small opening in the wall that allows passage of fresh air and light through it. The window can be closed when not required by the user. Doors & windows come in various types that differ in their shapes as well as sizes. Doors & windows also differ with the type of material used in manufacturing them. Below are given various types of Doors & windows that are made from different materials.