Delta IIC (ΔIIC) ratings for cork, rubber, foam, and engineered underlayments — plus how ΔIIC differs from a full IIC assembly rating and why the gap matters.
03
Jun
Jun
A single-stud wall can hit STC 50 with the right moves. Here is what lighter-gauge studs, wider spacing, damping, and a decoupling membrane actually add, and where the ceiling sits without a second wall.
02
Jun
Jun
What actually moves a wall’s STC rating — 12 variables ranked by typical point gain, with cross-section diagrams and worked builds for STC 50, 55, and 60, plus field fixes.
02
Jun
Jun
CAC rating chart for ceiling tile sound privacy, showing recommended Ceiling Attenuation Class targets by space type, where CAC matters, and how ceiling tiles affect room-to-room speech transfer.
01
Jun
Jun
Echo and reverberation are often confused, but they’re different acoustic problems with different fixes. An echo is a distinct repeat delayed 50 ms or more; reverberation is overlapping reflections decaying over time, measured in RT60. Here’s how to tell them apart and treat each one.
31
May
May
Breweries combine industrial production noise with hospitality taprooms and often outdoor beer gardens. Here are 12 prioritized strategies-with real STC, NRC, NC, dBA targets-for soundproofing every zone of a brewery.
30
May
May
Every active NHL arena ranked on a 100-point loudness index. Florida’s 130.9 dBA Game 3 record-breaker, Montreal’s Bell Centre, Winnipeg’s per-seat dominance, and the acoustic design behind each – explained by an acoustical engineer.
30
May
May
Country clubs blend vaulted dining rooms, multi-use ballrooms, tile-clad pools, and confidential meeting spaces under one roof. Here are 8 prioritized strategies—with real STC, NRC, RT60, and dBA targets—for soundproofing each zone.
29
May
May
Every active NBA arena ranked on a 100-point loudness index, blending architecture, crowd baseline, and verified peak readings. Sacramento still owns the 126 dBA Guinness record. Includes a per-seat metric, an arena acoustics diagram, and the dB scale that puts 126 in context.
28
May
May
Recommended sound masking dB levels for open offices, private offices, healthcare, hotels, and high-density spaces – plus how to pair masking with STC, CAC, absorption, and speech privacy goals.