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SonaSpray “fc” is a high-performance, spray-applied acoustical finish system. Unlike hard surfaces and materials, which reflect sound, SonaSpray "fc" absorbs excessive noise, making speech and music more intelligible while enhancing over all sound quality. SonaSpray "fc" is Class I Class A rated and serves as an exposed interior finish. It adheres to common substrates and to complex surfaces, including: domes, ribbed metal decking, and 'waffle' ceilings, making it ideal for both new construction and renovation projects. SonaSpray "fc" is available in standard colors, including White & Arctic White, which provides high light reflectance value, and in custom integral colors.

SonaSpray “fc” is GREENGUARD Gold Certified and contributes towards indoor environmental quality. SonaSpray "fc" is UL Classified and approved and listed in several UL BXUV Guide Design Assemblies as allowable sprayed fiber for application over spray-applied fire-resistive materials.

Performance dashboard

Features & functionality

  • Contributes to occupant comfort  
  • Exceptional acoustic performance; high NRC value
  • Class I Class A rated per ASTM E 84
  • Available in standard & custom integrated colors
  • Durable/damage resistant finish
  • Can be used to provide high light reflectance values


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Environment & materials

Improved by:

  • Contains over 50% pre-consumer recycled content
  • Cellulose is made from renewable resources
  • Carbon sequestering material
  • Red List Free 
  • Manufactured in the USA


Certifications, rating systems & disclosures:

  • GREENGUARD Gold (1)
  • Health Product Declaration (HPD)
  • Environmental product Declaration (EPD)
  • M1 classification of low emitting building materials
  • UL Classified