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Acoustical | Surfaces

Celebrating 35 years - Since 1980

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Sound proofing

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Acoustics

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Noise & Vibration Control

Acoustical | Surfaces Pvt. Ltd.

Foam S.T.O.P. Pyramid™

Melamine Foam Sound Absorber

  • High Performance Absorber
  • Increased Absorptive Surface Area
  • Fiber Free
  • Class A Fire Retardant

FOAM S.T.O.P PYRAMID panels are made from melamine acoustical foam; these acoustical panels are Class A fire retardant. FOAM S.T.O.P PYRAMID panels are an excellent option for sound control applications. These panels can be used in recording studios, home theaters, offices, schools and industrial applications.

Product Testing & Information

Product Specs

Material Open Cell Melamine Acoustical Foam
Pattern Pyramid for Monolithic Appearance
Features Increased Surface Area, High Performance, Light Weight, Dramatic Visual Effect
Applications Ceilings, Walls, Industrial, Commercial & Home Audio Markets, Broadcasting and Recording Studios
Thickness 2″, 3″, 4″
Sizes 2′ × 2′
Density 0.7lbs/cub. ft.
Colors Standard: Natural White or Light Grey
Latex or HPC Paint: Black, Light Grey, Almond
Painted: Black, Brown, Beige, Light Gray (Custom Colors Also Available)
Flammability ASTM E84, Class 1. Flame Spread: 5; Smoke Developed: 50
Installation ASI S.T.O.P Noise Acoustical Adhesive – Mechanical fasteners / Screws

Reverberation Demonstration

FOAM S.T.O.P. Pyramid – Sound Absorption/Noise Reduction
per ASTM C423-90a
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
2″ 0.07 0.25 0.60 0.94 0.97 1.08 0.70
3″ 0.18 0.44 0.96 1.14 1.18 1.19 0.95
4″ 0.16 0.62 1.10 1.20 1.21 1.22 1.05

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