(a) For an “Interior Finish” to qualify under this specification it shall not be more than 0.075 inch thick (including adhesive and any underlayment) and shall be subjected to the test described in either standard listed in §164.012-1(a) (1) or (2). The “Interior Finish” shall be applied to a 1⁄4 -inch asbestos cement board, “Bulkhead Panel” or “Incombustible Material” approved under subparts 164.008 and 164.009, in the same manner as will be employed for the shipboard installation. The classification ratings determined by this test shall not exceed the following values:

(b) [Reserved]

[CGFR 70-143, 35 FR 19967, Dec. 30, 1970]