STC

In the competitive landscape of 2026, the traditional low-bid approach to acoustic wall assemblies is often a silent profit killer.

All too often, we don’t fully grasp what went wrong on a project until we’re looking in the rearview mirror. Fortunately, every mistake, whether ours or someone else’s—offers an opportunity to learn and improve.

What are the code requirements for sound? In the International Building Code, sound transmission requirements are in chapter 12, “Interior Environment.”