{"data":{"id":"us-nyc/n.y.c.-admin.-code-bc-2212","jurisdiction":"us-nyc","citation":"N.Y.C. Admin. Code § BC 2212","heading":"Section BC 2212: Minimum Thickness of Metal","body":"2212.1 General.\n\nAll steel of Chapter 22 shall conform to the minimum thickness of metal in accordance with Section 2212.2.\n\n2212.2 Exterior members.\n\nAll exterior structural steel members exposed to weather shall have a minimum thickness of metal of 0.23 inches (5.8 mm).\n\nExceptions:\n\n1. When an approved type of atmospheric corrosion- resistant steel is used.\n\n2. Exposed surfaces are zinc coated with a minimum weight of coating of approximately 0.6 ounces per square foot (0.00156 kg/m\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t2\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t) of exposed surface and covered with a protective coating as required by Section 2203.2.\n\n3. Exposed surfaces are protected by other means approved by the commissioner.\n\n4. Temporary construction installations that will be in place for a period of 1 year or less, provided that all surfaces which are exposed to the weather shall have a protective coating as required by Section 2203.2.\n\n5. Joists or purlins that are exposed to the weather but which do not support more than 200 square feet (19 m\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t2\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t) of floor or roof area, and which have a protective coating as required by Section 2203.2.","path":["New York City Administrative Code","Title 28","Chapter 7: New York City Building Code"],"source_url":"https://files.amlegal.com/pdffiles/NewYorkCity/Admin/XML.zip","current_through":"Local Law 2026/135 (enacted August 31, 2026)","vintage":"","retrieved_at":"2026-09-06T02:48:57Z","sha256":"903706b5ee1f64520ef720cb7c7014f94ec5a79ae2f75e0cc01e49cdee210db8","source_id":"us-nyc","stale":false,"prev":"us-nyc/n.y.c.-admin.-code-bc-2211","next":"us-nyc/n.y.c.-admin.-code-bc-2213"},"notice":"GroundRules: Original legal text. Not legal advice."}