Sound & Fire Block
Johns Manville Sound & Fire Block® mineral wool batts are noncombustible and moisture-resistant. The high-density fibers in mineral wool help delay the spread of fire and reduce noise transfer in interior walls and between ceilings and floors.
Sound Control: Absorbs sound and improves wall assembly STC ratings by up to 10 dB.
Fire-Resistant: Melting point in excess of 2000˚F (1093˚C). Flame Spread of 0 and Smoke Developed of 0.
Durable Inorganic Glass: No growth of fungi. No sustaining of vermin.
|ASTM Standards||ASTM C665||Type I|
|Flame Spread||ASTM E84||0|
|Smoke Development||ASTM E84||0|
|Critical Radiant Flux||ASTM E970||> 0.12 W/cm2 (0.11 Btu/ft2s)|
|Water Vapor Sorption||ASTM C1104||5% or less by weight|
|Odor Emission||ASTM C1304||Pass|
|Fungi Resistance||ASTM C1338||Pass|
|Combustion Characteristics||ASTM E136||Pass|