Access floor is an elevated flooring system .This system is comprised of panels vary in weight,strength and finish depending on the type of applications.The access floor industry developed from computer room applications .The massive amount of cooling and air conditioning required by main frame computers created the need for a modular flooring system. This system could allow for conditioned air delivery under the equipment,support heavy equipment and provide easy acces to the electrical services required. Initial industry growth was fueled by the use of computers in both government and industry .Nowadays,due to growth in technology and the reduction in the size of computers ,the need for access floors has increased in offices rather than computer rooms .Access flooring system is becoming the essential to maximize the utility of working space and provide a perfet office enviromeat to people .