As used in this chapter, 'advanced structural components' means lightweight I-joists or lightweight roof trusses that:(1) have less mass cross-sectional area than sawn lumber of equivalent proportions used in an equivalent application; and(2) are assembled from combustible or noncombustible materials, or both.The term does not include a structural assembly, joist, or truss that provides at least one (1) hour of fire resistance when tested in accordance with the ASTM Standard E119.As added by P.L.104-2018, SEC.1.
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