Johns Manville Sound & Fire Block® reduces unwanted noise from traveling throughout a home, and helps delay the spread of fire between interior floors and rooms. JM Sound & Fire Block® mineral wool insulation batts help delay the spread of fire between interior floors and rooms. Made from high-density, noncombustible materials designed for maximum sound absorption, it also reduces noise transfer in the places you need it most ─ between interior walls and in your ceilings and floors.
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About the Brand
We build environmentsâ„¢. For more than 150 years, Johns Manville has focused on developing materials to make diverse environments stronger, more durable, and more energy efficient and comfortable. We manufacture premium-quality building and mechanical insulation, commercial roofing, glass fibers and nonwoven materials for commercial, industrial and residential applications. JM products are used in a wide variety of industries including building products, aerospace, automotive and transportation, filtration, commercial interiors, waterproofing and wind energy.
Through our 7,000 global employees, JM provides products to more than 85 countries and operates 45 manufacturing facilities in North America, Europe, and China. Since 1988, JM's global headquarters has been located in downtown Denver.
Through our 7,000 global employees, JM provides products to more than 85 countries and operates 45 manufacturing facilities in North America, Europe, and China. Since 1988, JM's global headquarters has been located in downtown Denver.
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