46 C.F.R. § 190.05-5 Woodwork insulated from heated surfaces.
Title 46 - Shipping
(a) Internal combustion engine exhausts, boiler, and galley uptakes, and similar sources of ignition shall be kept clear of and suitably insulated from any woodwork or other combustible matter.
Title 46: Shipping
PART 190—CONSTRUCTION AND ARRANGEMENT
Subpart 190.05—General Fire Protection
§ 190.05-5 Woodwork insulated from heated surfaces.

