CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER D—TANK VESSELS (parts 30 to 39) > 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 (§32.56-1 to §32.56-60) > 32.56-40—Category A machinery spaces: Insulation—T/ALL.

32.56-40—Category A machinery spaces: Insulation—T/ALL.

Structural insulation within category A machinery spaces must have a barrier such as metal foil, sheet metal, cementitious coating, or other vapor barrier so that the surface of that insulation is impervious to oil and oil vapors.

Code of Federal Regulations

[CGD 74-127, 41 FR 3844, Jan. 26, 1976, as amended by CGD 74-127, 41 FR 4826, Feb. 2, 1976]