A raised access flooring system is an elevated floor that is laid above a sub floor, often a concrete floor slab, in order to leave an open space or void between. Raised floor systems are sometimes referred to as access floors, raised access floors, platform floors, computer floors or suspended flooring.The space created between the two floors is used to house cabling and pipework required to distribute services around a building. These services can include Electrical power, Network data and telecommunication cabling, CCTV, Water supply and drainage, Air conditioning, heating and ventilation, Security cabling, Environmental controls, Fire detection and suppression etc.