GRC has the advantage of strong endurance and hight resistance to hard weather, it also has the advantages of cohesion between particles, which makes it non peremable to water and resistant to humidity as well as having the advantage of non-flammability and non-conductivity of electric current and non-susceptible to insect infestation or growth of fungi and mircrobes, are not affected by rodents. it is also colorable and accepting to different kinds of paints with the use of alkaline resistant glass fiber,and these features make GRC a very good material to be used in many fields.