Introducing Koro-Sound™ Acoustical Barrier by ProFusion Industries. ProFusion Industries, the successor to BF Goodrich Fabricated Polymers and most recently RJF International, is excited to offer the next generation of products. ProFusion’s capabilities are demonstrated over a wide range of commercial and industrial applications for customers across a diverse set of industries, including aerospace, agrichemical, environmental, transportation, construction, government, and safety. To assist with soundproofing, and mitigation of unwanted noises in multiple environments, Koro-Sound™ was designed to greatly reduce sound penetration in room to room, floor to ceiling construction projects. It is highly effective for Designers, Architects, Engineers, and Builders who develop both residential and commercial buildings. This product contributes towards Buildings Achieving LEED® credits according to the U.S. Green Building Council rating system. When Koro-Sound™ is specified as a material of choice for soundproofing, you can be assured of one thing - you can literally hear the difference!