Noise Control Help Line:   +971 4331 0000 |   9am - 6pm |   MENA & ASIA Region
Acoustical | Surfaces

Celebrating 35 years - Since 1980

|

Sound proofing

|

Acoustics

|

Noise & Vibration Control

Acoustical | Surfaces Pvt. Ltd.

Foam S.T.O.P. Pyramid™

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.

icon   Our Products