Acoustical Enclosures - Tongue and Groove Systems

IES2000 standard Acoustical/Thermal Panels are fabricated with an 18 gauge G90 galvanized solid steel outer skin, and 16 gauge galvanized solid steel channel frames filled with mineral-glass fiber acoustic/thermal fill.

Options:

  • Tongue & Groove
  • Mylar, Polyethylene, or Fiberglass Cloth Lining
  • Framed Cutouts/Openings
  • Primer or Finish Paint
  • Different Gauge Construction
  • Different Material Construction; i.e. Stainless Steel
  • Special Configurations: Perf/Perf, Solid/Solid, Perf/Solid/Perf
  • Different Insulation Materials and Densities

Panels are protected by an inner skin of 22 gauge G90 galvanized perforated steel sheet with 23% open area (3/32″ holes on 3/16″ staggered centers). Available with various insulation materials, densities and gauge construction.

Acoustical Enclosures - Tongue and Groove Systems

Acoustical Performance - Standard Construction

Transmission Loss - ASTM E90-81
ProductOctave Band Center Frequencies (Hz)
1252505001K2K4K NRC
2 1/4" Panel (TL in dB)222940 4854 6041
4 1/4" Panel (TL in dB)212435 4352 5737


Sound Absorption Coefficients - ANSI C243 - 81A and E795
Product1/3 Octave Band Center Frequencies (Hz)
1252505001K2K4K NRC
2 1/4" Panel (TL in dB)0.310.821.19 1.12 1.071.061.11
4 1/4" Panel (TL in dB)0.861.091.22 1.06 1.051.041.10

All acoustical test were performed and reported by an Independent Accredited Acoustical Laboratory. Copies of the test reports can be furnished upon request.