{"data":{"id":"us/46-cfr-32.56-20","jurisdiction":"us","citation":"46 CFR 32.56-20","heading":"-20 Insulation of exterior boundaries: Superstructures and deckhouses—T/ALL.","body":"The following exterior boundaries of superstructures and deckhouses that contain accommodation, service, and control spaces, except wheelhouses, must be insulated to “A-60” Class:\n(a) The exterior boundaries that face the cargo area.\n(b) The portion of the exterior bulkheads and decks within 3 meters (10 feet) of these boundaries.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER D—TANK VESSELS","PART 32—SPECIAL EQUIPMENT, MACHINERY, AND HULL REQUIREMENTS","Subpart 32.56—Structural Fire Protection for Tank Ships With a Keel Laying Date On or After January 1, 1975"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"012bb98945fa23691f214fa358212184813fe74aa36322f706aadeb96a851b41","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-32.56-15","next":"us/46-cfr-32.56-21"},"notice":"GroundRules: Original legal text. Not legal advice."}