
Spiracoustic Plus®
The Spiracoustic Plus® System from Johns Manville is a comprehensive group of duct lining products specifically engineered to provide very high acoustical and thermal performance in round air ducts of virtually any size.
Based on high-density fiber glass board technology, Spiracoustic Plus® has factory-made, evenly-spaced kerfs to allow the material to conform to the inside diameter of round air ducts. The airstream surface and transverse edges are coated with Johns Manville's proprietary black Permacote® acrylic polymer. The coating is treated with an immobilized protective agent, specifically registered with the EPA for HVAC duct applications, to protect the coating against potential microbial growth.
Spiracoustic Plus® eliminates the need for costly double-wall insulation practice in round air ducts, and provides consistent thermal and acoustical performance throughout. Spiracoustic Plus® has been certified by Scientific Certification Systems to contain 25% recycled content (minimum 20% post-consumer).
Data Sheets & MSDSs
Technical Resources

