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Foam S.T.O.P. Soundwave/Dual Wave™

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Polyurethane Foam Sound Absorber

  • High Performance Sound Absorber
  • Sound Wave Pattern
  • Fiber Free
  • Reduces Reverberation

Available as Hanging Acoustical Baffles

Product Testing & Information


Product Specs

Material

Open Cell Polyurethane Acoustical Foam

Pattern

Scientifically engineered pattern designed to absorb the widest range of frequencies

Features

Effectively reduces reflected noise and reverberation times (echo) to produce safe and enjoyable environments

Applications

Industrial, Commercial, Audio, OEM, Residential, Ceilings, Walls, Partitions, Sound/Recording Studios, Radio Stations, Band Rooms, Swimming Pools, Churches, Schools, Gun Ranges, Equipment Enclosures.

Thickness

1″, 2″, 3″, 4″

Sizes

2′ × 4′, 4′ × 4′

Density

2 lbs/cub. ft.

Colors

Brown, Blue, Charcoal, Beige, Hunter Green, Burgundy
Painted: Silver, Blue

Flammability

1″,2″,3″ – UL94HF-1 Class B. 4″ – UL94HF-1 Class-C

Installation

ASI S.T.O.P Noise Acoustical Adhesive

Reverberation Demonstration

FOAM S.T.O.P. Soundwave/Dualwave – Sound Absorption/Noise Reduction
per ASTM C4233-902
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
1″ 0.17 0.40 0.72 0.76 0.50
2″ 0.15 0.31 0.73 1.04 1.08 1.12 0.80
3″ 0.17 0.50 0.91 1.08 1.04 1.10 0.90
4″ 0.32 0.93 1.43 1.33 1.29 1.21 1.25

 

FOAM S.T.O.P. Soundwave/Dualwave Baffles – C423-84a
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
Sabins/Baffle 4.44 6.00 10.00 15.50 17.90 19.20 12.35

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