To exempt materials, components and assemblies installed to resist the transfer of heat from the requirements regarding flame-spread ratings contained in the thermal insulation standards referenced in TableĀ 5.10.1.1., on the basis that the rating is not necessary for the adequate thermal performance of such materials, components and assemblies.
To direct Code users to Part 3 for requirements regarding flame-spread ratings, which may apply to the materials, components or assemblies in question.