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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.™

Melamine Foam Linear Wedges

  • Class A Fire Retardant
  • High Performance Absorption
  • Fiber Free
  • Anechoic Wedge Design
Product Testing & Information
Material Open cell melamine or polyurethane.
Pattern The linear wedge pattern offers excellent absorption and allows you to create many different designs. Install vertically, horizontally, diagonally, checkerboard or create your own design.
Applications For use in all industrial, commercial, audio, OEM and residential markets; Ceilings, walls partitions, sound studios, radio stations, band rooms, gyms, swimming pools, gun ranges, mechanical rooms and enclosures. Thicker wedges are designed for use in anechoic chambers and test cells.
Thickness (Standard Panel) 2″, 3″, 4″ and custom
Sizes (Standard Panel) 2′ × 2′
Thickness (Max Wedge) 6″, 8″
Sizes (Max Wedge) 12″ × 12"
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

Reverberation Demonstration

FOAM S.T.O.P. Linear Wedges – Noise Reduction Coefficients
Standard Panel
125Hz 250Hz 500Hz 1KHz 2KHz 4KHz NRC
2″ .09 .28 .79 .94 1.00 1.04 .75
3″ .10 .48 .91 1.11 1.11 1.14 .90
4″ .16 .56 1.11 1.13 1.13 1.21 1.00

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