Sonex® Harmoni Acoustic Ceiling Tile

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Sonex® Harmoni Acoustic Ceiling Tile

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Sonex® Harmoni Acoustic Ceiling Tile


Size: 2' x 2' x 2"
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Sonex® Harmoni Ceiling Tiles are the natural choice when you’re looking for a way to combine contemporary styling with excellent acoustical control at a moderate price. These tiles simply drop into an existing t-bar suspended grid. The Sonex® Harmoni ceiling tiles are a class one fire rated melamine foam ceiling tile and available in an array of HPC coated colors. These tiles are designed to fit into any standard ceiling tile grid. They are a perfect solution for classrooms, listening rooms, home theaters, conference rooms, retail stores and any other interior areas where ceiling tiles are used.


  • Fits all 15/16″ grid systems
  • Cleanable and durable HPC Coated Finish
  • Prevents dirt/dust penetration
  • Wipes easily with a damp cloth
  • Smooth or softly sculpted patterns
  • Exceptional acoustical performance
  • Mold-resistant, fire-retardant

Technical Information:

  • Size: 2′ x 2′ x 2″ (14 tiles per box)
  • Thickness: 2″
  • Coverage: 56 square feet per box
  • Material: Open-cell melamine-based foam
  • Finish: HPC Coated
  • Density: 0.5 to 0.7 lbs./cubic ft. (ASTM D3574-77)
  • Fire Rating: Class 1 per ASTM E 84
  • Microbial Growth: Passes UL 181, section 11
  • Fungus Resistance Rating: #0 per ASTM G21
  • NRC: 0.90 (ASTM C423-90a; Mounting Type E)
Sound Absorption (Hz)
ASTM C423-90a Type E Mount

Installation Method:

  • Quickly drops into any standard T-bar ceiling grid system
  • Cross-tees facilitate retrofitting of 24″ x 48″ ceiling grids
  • Press panels from above to set into grids (do not pull from face)
  • Installation is best done at the end of the construction project.
  • Use clean gloves to prevent soiling material.
  • Melamine foam is fragile and should be handled with care.
  • Do not install material of unacceptable quality.
Sonex® Harmoni Acoustic Ceiling Tile – Pattern: Vista Smooth
SKUColor1-9 Boxes10-19 Boxes20+ Boxes
TILSONHARVSMARCHPC (Arctic White)$453.00$433.00$418.00
TILSONHARVSMBEIHPC (Beige)$453.00$433.00$418.00
TILSONHARVSMBLKHPC (Black)$453.00$433.00$418.00
TILSONHARVSMIVOHPC (Ivory)$453.00$433.00$418.00
TILSONHARVSMLBLHPC (Light Blue)$453.00$433.00$418.00
TILSONHARVSMLGRHPC (Light Grey)$453.00$433.00$418.00
TILSONHARVSMMGRHPC (Medium Grey)$453.00$433.00$418.00
Sonex® Harmoni Acoustic Ceiling Tile – Pattern: Tartan Sculpted
SKUColor1-9 Boxes10-19 Boxes20+ Boxes
TILSONHARTSCARCHPC (Arctic White)$484.00$458.00$445.00
TILSONHARTSCBEIHPC (Beige)$484.00$458.00$445.00
TILSONHARTSCBLKHPC (Black)$484.00$458.00$445.00
TILSONHARTSCIVOHPC (Ivory)$484.00$458.00$445.00
TILSONHARTSCLBLHPC (Light Blue)$484.00$458.00$445.00
TILSONHARTSCLGRHPC (Light Grey)$484.00$458.00$445.00
TILSONHARTSCMGRHPC (Medium Grey)$484.00$458.00$445.00

Note: In March of 2016, the formulation of the melamine foam core used in Sonex products was improved. The appearance of Natural White, Natural Grey and HPC coated colors will differ from orders placed prior to this change.

For more information on our Sonex® Harmoni Acoustic Ceiling Tile,
call us at 1-800-782-5742 or contact our sales department.

What is HPC Coating?

HPC is a high performance coating that is applied to acoustical foam. This improves the durability of the material and provides a surface that can be cleaned using a damp cloth.

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Data Sheet

Data Sheet for Sonex® Harmoni Acoustic Ceiling Tile

Installation Guide

Installation Guide for Sonex® Harmoni Acoustic Ceiling Tile


Specifications for Sonex® Harmoni Acoustic Ceiling Tile

LEED Credit Statement

LEED Statement for Sonex® Acoustic Foam

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