Sonex® Pyramid Acoustic Foam

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Sonex® Pyramid Acoustic Foam

Rated 4.50 out of 5 based on 2 customer ratings
(2 customer reviews)


Manufacturer: Pinta Acoustic
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Sonex® Pyramid Acoustic foam offers an angled panel design with significantly greater surface area than flat surfaces therefore maximizing the effective area for acoustical control. When installed the pattern provides a continuous, seamless appearance. As a Class 1 fire rated foam that is 100% fiber-free, Sonex® Pyramid Acoustical Foam meets regulations for virtually any environment where maximum noise control is required.


  • Reduces echo and reverberation
  • Improves speech intelligibility
  • Exceptional acoustical performance
  • Mold-resistant, fire-retardant

Technical Information for Sonex® Pyramid Foam:

  • Size: 2′ x 2′
  • Thickness: 2″, 3″, 4″
  • Part Numbers: OPYR-2, OPYR-3, OPYR-4, OPYR-2HW, OPYR-3HW, OPYR-4HW
  • Material: Open-cell melamine-based foam
  • Finish: Natural Grey, Natural White, HPC Coated
  • Density: 0.5 to 0.7 lbs./cu. ft. (ASTM D3574-77)
  • Fire Rating: Class 1 per ASTM E84
  • Microbial Growth: Passes UL 181, section 11
  • Fungus Resistance Rating: #0 per ASTM G21
  • NRC: 2″ (0.70) 3″ (0.80), 4″ (0.95)
Sound Absorption (Hz) ASTM C423-90a
Thickness125 250500100020004000NRC
Natural Grey and Natural White
HPC Coated Colors

Installation Method:

  • These panels mount easily to any wall or ceiling surface with acouSTIC water-based adhesive.
  • For best results, install this product at the end of your construction project.
  • Use clean gloves to prevent soiling material.
  • Melamine foam is fragile, please handle with care.
  • Do not install material of unacceptable quality.

For more information on our Sonex® Pyramid Acoustic Foam,
call us at 800.782.5742 or contact our sales department.

2 reviews for Sonex® Pyramid Acoustic Foam

  1. Rated 4 out of 5

    Verified Customer

    Nice product.

  2. Rated 5 out of 5

    Verified Customer

    Used to help quiet a conference room, they arrived the day after I ordered and worked great!

How to Install Acoustic Foam Panels with Adhesive

How to Install Acoustic Foam Panels with Adhesive

Acoustical Solutions installs acoustical foam panels using adhesive to secure the panel to the wall. Video includes an instructional voice over.

How to Install Sonex Acoustical Foam in a Studio

How to Install Sonex Acoustical Foam in a Studio

Acoustical Solutions installs sound absorbing Sonex® foam acoustic panels in a home video studio. Acoustical foam is one of the most popular and effective noise control products.

What is HPC Coating?

HPC is a high performance coating that is applied to acoustical melamine foam base. Our exclusive water based HPC formulation improves durability and protects the acoustical foam from dust and dirt, allowing the surface to be cleaned using a damp cloth. The HPC coating is especially appropriate for use high-traffic areas. HPC Premium extends the HPC coating further by offering a line of brilliant colors from which to choose.

  • HPC Coating for Wall and Ceiling Panels:
    • Coating is applied to the face of panels only.
    • An edge coating option is available for when the edges of the panel will be exposed.
  • HPC Coating for Hanging Baffles and Clouds:
    • The coating will be applied to all exposed edges and sides.
  • HPC Coating for Drop-In Ceiling Tiles:
    • All necessary edges will be coated to provide a finished appearance.
Are custom HPC colors available?

Custom HPC colors are available. Popular paint brands may be combined with our exclusive HPC formulation to produce unique designs for any project.

To produce an order for custom HPC colors, please be aware of the following.

  • There is a minimum requirement of 700 square feet of Sonex® acoustical foam.
  • We require the brand name, paint color and number.
  • There is a set up fee is for each custom color.
  • We require a deposit for the order.

Customers with an order for custom HPC colors will receive a sample to approve prior to producing the order.

Sonex® Adhesive Applicator Gun

Sonex® Adhesive Applicator Gun

The Sonex® Adhesive Applicator Gun is a used to apply Sonex® Acoustic Panel Adhesive when installing acoustical foam. This tool operates in a similar fashion to a standard caulking gun.…

Sonex® Acoustic Panel Adhesive

Sonex® Acoustic Panel Adhesive

The Sonex® Acoustic Panel Adhesive has been specially formulated for use with our Sonex® acoustic foam panels. One 10.5 ounce tube installs approximately 16-24 square feet of Sonex® acoustic foam…

Data Sheet

Data Sheet for Sonex® Pyramid Acoustic Foam

Installation Guide

Installation Guide for Acoustic Foam Panels

Cleaning Guide

Cleaning Guide for Sonex® Foam


Specifications for Sonex® Pyramid Acoustic Foam

CAD Drawings

CAD Drawings for Sonex® Pyramid Acoustic Foam

Egg Carton Test

Egg Carton Test for Sonex® Pyramid Acoustic Foam

LEED Credit Statement

LEED Statement for Sonex® Acoustic Foam