To direct Code users to:
- Sentence 184.108.40.206.(2), which refers to the methods
of establishing apparent sound transmission class (ASTC) ratings by
measurement and calculation, and
- Tables 9.A. and 9.B., which present the sound transmission
class ratings of selected wall, floor, ceiling and roof assemblies,
and Article 220.127.116.11. for requirements on the construction
of adjoining constructions.