Acoustics First Corporation. Materials to Control Sound and Eliminate Noise. TM
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FireFlex™ Max Wedge Acoustical Foam


FireFlex™ Max Wedge Acoustical Foam is designed for controlling low frequency sound while maintaining a Class A (1) fire rating. These acoustical foam wedges withstand constant temperatures up to 320°F, as well as meeting all Class 1 regulations for flame spread, smoke density, and fuel contribution.  This material is used in anechoic chambers, sound testing facilities, recording and broadcast studios or anywhere maximum absorption is required.


FireFlex™ materials are constructed of lightweight, porous acoustic melamine. The material's internal structure is a spacious cellular complex of slim, flexible webs. These elastic filaments are fiber-free and completely open-celled.
FireFlex Max Wedge- Specs.pdf

  Max Wedge Acoustical Foam for Low Frequency Absorption

Designed for controlling low
frequency sound.

-Materials are also sold per piece.  Please request a quotation for your specific requirements. Minimums may apply.

Contact Acoustics First for any quantity pricing or a quotation for materials and shipping.
     Technical Information

Class 1 Acoustical Foam

Material Components:

  • Open Cell Melamine Foam

  • Density:  0.7 pounds/cubic foot

  • Flammability:  Meets UL94V-0

  • Flame Spread = 10

  • Smoke Developed = 50

  • Tensile Strength = 8 PSI

    Available Sizes: 6" and 8" Thickness, 1' x 1' Panels

Available Color:
Light Grey
(Note that color will vary according
to your monitor or on site conditions.)
Sound Absorption Coefficients
Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
6" 0.22 1.07 1.27 1.34 1.27 1.15 1.25
8" 0.39 1.05 1.44 1.38 1.33 1.19 1.33
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