THIS IS A STEEL GRATE ROOFWALK MOLDED IN GRAY STYRENE WITH SCALE SEE THROUGH OPENINGS. IT IS SUPPLIED IN 40' LENGTHS WHICH CAN BE JOINED FOR LONGER CARS. IT WAS FIRST USED IN THE LATE 30'S AND WAS THE STANDARD ROOFWALK MATERIAL WHEN THEY WERE DISCONTINUED IN THE 60'S. IT CAN ALSO BE USED ON INDUSTRIAL STRUCTURES.
3 SETS