Acoustical Products Made in USA.
HVAC NOISE
Modern commercial buildings depend on high-performance HVAC systems to maintain indoor comfort, air quality, and temperature consistency. However, as airflow velocity increases within sheet metal duct systems, turbulence forms along the internal surfaces. This turbulence causes the duct walls to vibrate, and those vibrating metal surfaces radiate mechanical sound directly into office environments. Over time, this becomes one of the primary contributors to elevated background sound levels in professional workspaces.
In open-plan offices, background mechanical hum reduces speech intelligibility, increases cognitive fatigue, and interferes with concentration. Even when acoustic ceiling panels are installed, they only address reflected sound within the room — not the radiated breakout sound originating from the duct itself. True HVAC duct noise reduction requires treating the source of the vibration.
As duct systems extend across floors and vertical risers, breakout noise accumulates and spreads. In multi-tenant commercial properties, this can affect conference rooms, executive offices, collaborative areas, and shared corridors. The result is diminished acoustic privacy and reduced productivity.
DuctaSil® B10Lag1™ Pipe & Duct Barrier System directly addresses radiated mechanical sound by combining a high-mass sound barrier with quilted fiberglass insulation. The mass layer blocks airborne sound transmission, while the absorptive core dampens vibration and resonance along the duct surface. This dual-layer design significantly improves commercial HVAC sound attenuation without altering airflow capacity.
By incorporating engineered duct treatment into building design or retrofit upgrades, property owners enhance acoustic comfort, strengthen tenant retention, and improve overall building acoustic performance in professional environments.
