(1) Except as otherwise provided in this Part and Sentence 6.2.8.1. (1), materials used in a building or part of a building permitted to be of encapsulated mass timber construction shall conform to Subsection 3.1.5.
(1) A noncombustible lining or backing shall be provided for every steam or hot water radiator and convector,
(a) located in a recess or concealed space, or
(b) attached to the face of a wall of combustible construction or encapsulated mass timber construction. (2) Every steam or hot water radiator and convector shall be installed to conform to the clearance requirements of Table 6.2.9.3.