Prefab Structures is a large sized prefabricated construction buildings which is used to make industrial sheds, inventories, offices in construction sites, army, medical and refugee camps. It is light in weight, durable and economical which make it highly popular and have been favoured as an alternative to conventional building as it can be easily re-locatable. It offers adequate thermal and acoustic insulation and helps to helps in maintaining a temperature difference of 5 to 7 degree Celsius from outside temperature.