




Foam S.T.O.P. Pyramid
Polyurethane Foam Sound Absorber

High Performance Absorber
Increased Absorptive Surface Area
Fiber Free
Light Weight
Material:
Open cell polyurethane acoustical foam.
Pattern:
Pyramid for monolithic appearance.
Features:
Increased surface area, high performance, light weight, dramatic visual effect.
Application:
Industrial, Commerical, Audio, OEM, Residential, Ceilings, Walls, Partitions, Sound/Recording Studios, Radio Stations, Band Rooms, Swimming Pools, Churches, Schools, Gun Ranges, Mechanical Rooms, Enclosures, etc
Thickness:
2", 3", 4", 6", 8" and custom
Sizes:
2' x 2' , 2' x 4'
Colors:
Blue, Beige, Brown, Charcoal, Hunter Green and Burgundy –
Painted: Silver and Blue
Flammability:
ASTM E84, Class 2. Flame Spread: 75; Smoke Developed: 340 (Painted F/S: 420, S/D: 300)
Installation:
ASI S.T.O.P Noise Acoustical Adhesive
Foam S.T.O.P. Sound Absorption/Noise Reduction per ASTM C423-90a | |||||||
---|---|---|---|---|---|---|---|
125Hz | 250Hz | 500Hz | 1KHz | 2KHz | 4KHz | NRC | |
2″ | 0.15 | 0.17 | 0.49 | 0.73 | 0.66 | 0.68 | 0.50 |
3″ | 0.44 | 0.48 | 1.19 | 1.12 | 1.16 | 1.16 | 1.00 |
4″ | 0.39 | 0.60 | 1.21 | 1.14 | 1.16 | 1.13 | 1.05 |
6″ | — | 0.72 | 1.20 | 1.18 | 1.12 | — | 1.10 |
8″ | — | 0.90 | 1.40 | 1.25 | 1.10 | — | 1.30 |
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.