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Foam S.T.O.P. Pyramid™

foamst_4

Polyurethane Foam Sound Absorber

  • High Performance Absorber
  • Increased Absorptive Surface Area
  • Fiber Free
  • Light Weight

Product Testing & Information


Product Specs

Material

Open Cell Polyurethane Acoustical Foam

Pattern

Pyramid for Monolithic Appearance

Features

Increased Surface Area, High Performance, Light Weight, Dramatic Unusual Effect

Applications

Industrial, Commercial, 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″, and 4″

Sizes

2′×2′, 2 ′×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

Reverberation Demonstration

FOAM S.T.O.P. Pyramid – 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

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.

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