3RCNY-505 NYC FIRE SAFETY MARKERS REQUIRED FOR THE APARTMENT DOOR BUCKS, CLOSED DOOR STAIRWELLS IN NON-SPRINKLERED, BUILDINGS WITH MORE THAN 8 UNITS PER FLOOR DESIGNED TO ASSIST EMERGENCY RESPONSE PERSONNEL IN LOCATING APTS AND STAIRWELL EXITS IN THE EVENT OF FIRE AND SMOKE. TOWER GRAPHICS HAS MANUFACTURED THOUSANDS UPON THOUSANDS OF THESE "MADE TO ORDER" FOR NY BUILDINGS OVER THE YEARS SINCE THE INTRODUCTION OF THIS LAW.