Silent-Mod Acoustical Louver™

This HVAC vent cover are designed to provide the maximum noise reduction obtainable in short depth while still giving an effective combination of privacy and weather protection. Silentflow HVAC louvers are for use in installations such as process air intakes, fresh air intakes for ventilation systems, mechanical equipment screens, cooling tower inlets, etc. Constructed to meet architectural standards, Silentflow acoustical louvers are available in two models in 54 sizes, providing a wide range of pressure-drop and acoustical-performance requirements.

Product Testing & Information

Product Specs

Materials

Out Casings – 16 Gauge Galvanized Steel

Internals – 22 Gauge Galvanized Steel

Bird Screens – ½″ Mesh Galvanized Screen (Insect Screening Available)

Fill – Water Resistant Resin Bonded Fiberglass

Construction

Top surface Solid, Bottom Surface Absorptive, Water Stops on Upper Surface

Standard Sizes

From 24″×12″ to 48″×120″

Silent-Mod Acoustical Louver – Acoustical Performance
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz 8KHz
DIL-MODEL A 6 11 15 18 18 16 12
DIL-MODEL B 3 7 9 12 10 9 7