acoustical-panelsEcho Eliminator™ Acoustic Panels

Bonded Acoustical Cotton (B.A.C.)
The Most Cost Effective Acoustical Absorbing Material On The Market

Echo Eliminator™ is a versatile, sound absorbent material designed for use within spaces that suffer from irritating acoustic conditions. Manufactured from recycled cotton, Echo Eliminator provides a sustainable solution for today’s acoustic control challenges. Echo Eliminator is intended for use in larger scale and commercial projects, and unlike our UltraSonic DIY Kits, and is available in a range of colors and sizes Echo Eliminator can be used as an acoustic wall panel or hanging baffle and common applications are school gyms, classrooms, lunch rooms, or anywhere a high performance noise control product is needed.



  • Recycled Cotton (Green Acoustical Material)
  • Class A – Non-Flammable (Per ASTM E-84)
  • Lightweight
  • Easy to Install (Adhesively Applied)
  • Impact Resistant
  • Durable
  • High Light Reflectance
  • High Performance Acoustical Absorption
  • Relocatable (with Grommets)

Bonded Acoustical Cotton panels are ideally suited for:

  • School gymnasiums
  • Cafeterias
  • Classrooms
  • Churches
  • Community centers & more

Standard Size – 2′ × 4′
Also available in 12″ × 12″, 2′ × 2′, 4′ × 4′ and 4′ × 8′ (Minimum quantities may apply, please call for details)



Acoustical Performance

Product Absorption Coefficients & Octave Band Frequencies (Hz)
Thickness (Inch)Density (PCF)125250500100020004000NRC
Sound Absorption was tested in accordance with ASTM C 423 using a type A mounting per ASTM E 795

Physical Properties

PropertiesPerformanceTest Method
Surface Burning CharacteristicsFlame Spread: 10 (Class A)ASTM E 84
(Fire Hazard Classification)Smoke Developed: 20 (Class A)UL 723
Corrosion ResistancePassASTM C 739
Fungi ResistancePassASTM C 739
Odor EmissionPassASTM C 739

Thermal Performance

Product K-Value C-Value R-Value 
Thickness (Inch)Density (PCF)Btu·in/(h·ft2·°F)W/(m·°C)Btu/(h·ft2·°F)W/(m2·°C)R(m2·°C)/W
Tested in accordance with ASTM C 518




Acoustical Surfaces