




FOAM S.T.O.P. Soundwave/Dual Wave
Polyurethane Foam Sound Absorber

High Performance Absorber
Sound Wave Pattern
Fiber Free
Reduces Reverberation
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 enviroments.
Application:
Industrial, Commerical, 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' x 4' , 4' x 4' Density: 2lbs/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.
Foam S.T.O.P. Sound Absorption/Noise Reduction per ASTM C423-90a | |||||||
---|---|---|---|---|---|---|---|
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 | 1.12 | 1.25 |
Caution:
Polyurethane foam is flammable and may emit toxic fumes when burned. Do NOT use near open flame. Check local codes for allowed uses. Manufacturer assumes no liability.