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E4 Acoustics » + Acoustical Treatments » + ECHO ELIMINATORS » Wall Panels
Wall Panels

Wall Panels

Echo Eliminator is a high performance acoustical material made from recycled cotton.

Bonded Acoustical Cotton (B.A.C.)
The Most Cost Effective Acoustical Absorbing Material On The Market
This product is ideal for noise control applications. Echo Eliminator can be used as an acoustic wall panel or hanging baffle. Common applications are school gyms, classrooms and lunch rooms and any application where a high performance noise control product is needed. Echo Eliminator is LEED eligible, Class A fire retardant and 100% recyclable.

• Recycled cotton (green acoustical material)

• Class A – nonflammable (Per ASTM E-84)

• Lightweight

• Easy to install (adhesively applied)

• Impact resistant

• Durable

• Low cost

• Hi-light reflectance

• Hi-performance acoustical absorption

• Relocatable (with grommets)
APPLICATIONS: Bonded Acoustical Cotton panels are ideally suited to school gymnasiums, cafeterias, classrooms, churches, multi-purpose rooms, community centers and more.

SIZES: Standard Size: 2′ X 4′
Also available in 12″ x 12″, 2′ x 2′, 4′ x 4′ and 4′ x 8′ (minimum quantities may apply, please call for details).
(1″ Thickness panels available in #3lb or #6lb per cubic foot, 2″ Thickness panels available in #3lb density only.)

COLORS: White, Marble Light Blue, Light Grey, Beige, Charcoal, Pure Blue, Navy Blue, Burgundy and Hunter Green

Please note: Although we take extensive precautions and purge the lines between colors, due to the manufacturing process color inconsistencies including dye lot variations, flecks, specks, and other slight surface blemishes are unavoidable. Please call for details.

All sizes are nominal and are subject to manufacturing tolerances that may vary + or – 1/8”. Exact fitting may require on site adjustment by the purchaser. Exact size and other unavoidable variables such as dye lot color variances, lighting conditions, pattern matching, directional materials, expansion and contraction due to environmental conditions. Project with exacted visual requirements and expectation must be identified for our special attention prior to ordering.

Echo Eliminator™ WALL PANEL: Sound Absorption Coefficients

Mount 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
1″ 3lb./cf.
2″ 3lb./cf.
1″ 6lb./cf.		 A
A
A		 .08
.35
.07		 .31
.94
.30		 .79
1.32
.86		 1.01
1.22
1.10		 1.00
1.06
1.05		 .99
1.03
1.03		 .80
1.15
.85

A Mount: Direct – Echo Eliminator™ BAFFLE: Sabins/ Baffle

125Hz 250Hz 500Hz 1KHz 2KHz 4KHz sabins/Avg.
A vg.
1″ x 2′ x 4′
2″ x 2′ x 4′		 2.43
2.40		 4.93
6.55		 8.34
12.86		 12.35
17.46		 15.57
18.49		 16.73
16.77		 10.30
13.85

Echo Eliminator is a high performance acoustical material made from recycled cotton.

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