sound transmission class asphalt shingles

The Decibel Drop: Airborne Rain Impact Sound, Viscoelastic Mass Damping, and STC Ratings in Steep-Slope Shingle Assemblies

• October 1, 2026
• admin

Across coastal Kerala, the Nilgiri foothills, and the heavy rainfall belts of peninsular India, Southwest Monsoon squalls unleash torrential downpours with rain droplet diameters reaching three to five millimeters. When high-velocity raindrops strike an expansive sloped roof, the kinetic energy of billions of falling water droplets converts instantly into acoustic vibrational energy. For occupants of …