FRP cable trays are typically designed with reference to NEMA VE 1 and IEC 61537 load-rating methods. The exact support spacing depends on tray width, rung spacing, cable load, and laminate stiffness. Because FRP has lower modulus than steel, support spans usually need to be. FRP cable tray is the support system for managing cables and protect cables from heating, rains and corrosive elements. There are two types, FRP ladder type cable tray and FRP channel cable tray. They are widely used in chemical plants, building con-structions and residential life by virtue of its. to construction projects throughout MENA region. From a couple of outlets in Saudi Arabia, Unitech today is present all over the Kingdom and in several countries throughout the region providing its pro jects experience success is what fueled its days. Compared with traditional galvanized steel trays, FRP cable trays are lighter in weight, corrosion resistant, non-magnetic and electrically insulating, which makes them ideal for chemical. We are the leading suppliers of Cable Tray & SS Gratings, GRP / FRP Grating Products in Sudan and all type of Cable Tray products we supply in Sudan ranges from Cable Ladders to Cable Trunkings etc. four-bolt pattern for 3, 4, 6 and 8" tray depths.