Welcome back to our Lessons in Firestop! In our last discussion I told you that firestop is lazy. Well, it’s not so much lazy as it simply acts like most things in nature: It operates in the area of least resistance—the annular space, which is the distance from the inside edge of the opening to … Continue reading October 2022 Lessons in Firestop: Mickey Mouse Ears in Wood-Framed Assemblies