With the growing population, the need for more buildings and home is continuously increasing. This has led to the incredible growth of the real estate industry. Real estate industry is reckoned as one of the most booming industries in the world. All these factors have encouraged various manufacturers and builders to step in this arena and earn huge profits. In a sense it have also benefitted the common people as now they have a wider range of options and can avail all the facilities at reasonable prices. For building any structure, builders require various types of materials. All these materials are known as building materials as they assist the builder in building architectural structures. Since up to the date, each and every type of material has been used in one way or the other in the building purpose. Viewing the importance of building materials, various companies have started manufacturing different types of building material that can be used in the construction purposes. Building materials can be classified into two categories i.e. natural building materials and man-made building materials.