David Bolton The Gasket Gap That Kills Your STC Rating: Acoustic Sealing for Sound-Rated Door Assemblies Why the Door Rating Means Nothing Without the Right Gasket This article explains how acoustic door gasketing works, why it controls the real-world Sound Transmission Class (STC) performance of an oper... STC-rated assemblies acoustic gasketing automatic door bottoms door sound seals perimeter seals Oct 3, 2026
