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FOAM S.T.O.P PYRAMID
Interior noise control curtains


Melamine Foam Sound Absorber

High Performance Absorber

Increased Absorptive Surface Area

Fiber Free

Class A Fire Retardent





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.

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

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

Interior Acoustical Panels soundproofing material