Echo Eliminator 25mm is a high-performance acoustic insulation panel made from recycled bonded cotton fiber, designed to eliminate echo, reverberation, and mid-to-high frequency noise in enclosed environments. With an NRC of up to 0.85, these panels are ideal for treating large spaces where noise control is critical but budget and eco-friendliness are priorities.
This material is formaldehyde-free, VOC-free, and LEED-compliant, making it a go-to choice for green buildings, educational institutions, studios, and commercial interiors.
Key Features:
Made from 100% recycled bonded cotton fiber
25mm thickness for mid-to-high frequency absorption
NRC up to 0.800.85, tested per ASTM C423
Lightweight, rigid, and easy to install (walls, ceilings, clouds, baffles)
Excellent for speech clarity, echo control, and sound quality improvement
Safe for schools and offices non-toxic, no fiberglass, no itching
Available in standard colors or custom-wrapped in acoustic fabric
DIY-friendly cut with utility knife, no PPE required
Ideal for both retrofit and new build projects
Applications:
Classrooms, training centers, and libraries
Recording and podcast studios
Home theaters and media rooms
Open-plan offices and co-working spaces
Cafeterias, gymnasiums, and community halls
Call centers, hospitals, and worship halls
Technical Specifications:
Material: Bonded recycled cotton fiber
Thickness: 25mm (1 inch)
Panel Size: 600mm 1200mm / 1220mm 2440mm / Custom
NRC: 0.80 to 0.85 (ASTM C423)
Density: ~35 lbs/ft
Color Options: Charcoal grey, blue, beige, white (custom on request)
Fire Rating: Class A per ASTM E84
Finish Options:
Plain cotton surface
Optional fabric wrap (custom colors/prints)
Installation: Adhesive / mechanical fasteners / Velcro / hanging as baffles
Price: