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Materials
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Fill
Galvanized Steel
Mineral-Glass Fiber Acoustic/Thermal
Stainless Steel
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Cloth Lining Materials
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Fiberglass
Mylar
Polyethylene
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Special Configurations
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Perforated /Solid/Perforated
Perforated/Perforated
Solid/Solid
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Trim and Accessory Components
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2” X 4” Rectangular Tubing (RT)
Ceiling Cap (CC)
Floor Channel (FC)
Inside Angle (IN)
Outside Angle (OA)
Panel Connector (PC)
Wall Corner
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Transmission Loss of Standard Wall Panel
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| Octave Band Center Frequency (Hz) | 4 1/4" Panel (TL in dB) | 2 1/4" Panel (TL in dB) | | 125 | 22 | 21 | | 250 | 29 | 24 | | 500 | 40 | 35 | | 1K | 48 | 43 | | 2K | 54 | 52 | | 4K | 60 | 57 | | STC | 41 | 37 |
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Sound Absorption Coefficients of Standard Wall Panel
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| 1/3 Octave Band Center Frequency (Hz) | 4 1/4" Panel | 2 1/4" Panel | | 125 | 0.86 | 0.31 | | 250 | 1.09 | 0.82 | | 500 | 1.22 | 1.19 | | 1K | 1.06 | 1.12 | | 2K | 1.05 | 1.07 | | 4K | 1.04 | 1.06 | | NRC | 1.1 | 1.11 |
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UL Fire Hazard Ratings as per ASTM E-84
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| Flame Spread | 15 | | Fuel Contribute | 0 | | Smoke Developed | 0 |
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Options
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Cloth Lining
Different Gauge Construction
Different Insulation Materials and Densities
Different Material Construction
Framed Cutouts/Openings
Primer or Finish Paint
Tongue & Groove
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Features
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All trim is 16 gauge galvanized solid steel furnished in 10 foot lengths for ease of installation
All structural steel where supplied by Noise Control Systems, Inc. will have a prime coat paint applied at the factory.
Noise Control Systems, Inc. furnishes all necessary drawings for approval and erection as well as any structural and or seismic calculations as required.
All fasteners are zinc plated, self-drilling, and self-tapping sheet metal screws.
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