---
kind: "section"
citation: "46 C.F.R. § 108.143"
title: "46"
number: "108.143"
heading: "Accommodation space."
url: "https://uscodex.org/cfr/46/108.143"
---

# §108.143. Accommodation space.

- (a) Each corridor bulkhead in an accommodation space must be an A class or B class bulkhead except if an A class bulkhead is specifically required by this part.
- (b) No door in a corridor bulkhead in an accommodation space may have a louver, except that a stateroom, lounge, or recreation room door may have louvers in its lower half.
- (c) Each stairtower, elevator, and dumbwaiter, and other trunk must be enclosed by A class bulkheads.
- (d) Each bulkhead not described under [paragraph (a)](#a) of this section must be either A class, B class, or C class bulkheads.
- (e) At least one opening to each stairway must be enclosed by either A class or B class bulkheads and doors.
- (f) Each stairtower must have doors at all levels and each must be an A class door.
- (g) **Each door required by paragraphs (e) and (f) of this section—**
  - (1) Must be self-closing;
  - (2) May not have any means to permanently hold the door open, except for magnetic holdbacks that are operated from the bridge or other remote location.
- (h) Interior stairs, including stringers and treads, must be made of steel or an equivalent material.
- (i) Except in washrooms and toilet spaces, each deck covering in an accommodation space must be made of an approved material, except an overlay on a deck for leveling or finishing that is not more than 9.375 millimeters ( 3/8 inch) thick.
- (j) Except as provided in paragraph (1), each ceiling, lining, insulation, and pipe and duct lagging in an accommodation space must be made of an approved material that is noncombustible.
- (k) Each sheathing, furring, or holding piece used to secure a bulkhead, ceiling, lining, or insulation in an accommodation space must be made of an approved material that is non-combustible.
- (l) No bulkhead, lining, or ceiling in an accommodation space may have a combustible veneer greater than 2 millimeters ( 1/12 inch) in thickness.
- (m) Each corridor or hidden space in an accommodation space may be covered by an approved interior finish or a reasonable number of coats of paint. However, no corridor or hidden space may have combustible veneer, trim, or decoration except material approved under [Subpart 164.012](/cfr/46/subpart164.012.md) of this chapter.

## Notes

### Authority

Authority: 43 U.S.C. 1333; 46 U.S.C. 3102, 3306; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-251, 43 FR 56808, Dec. 4, 1978, unless otherwise noted.