Mineral Wool

Johns Manville Mineral Wool batts are made of inorganic fibers derived from basalt, a volcanic rock and are enhanced with glass fibers. Our advanced manufacturing technology ensures consistent product quality, with high-fiber density and low shot content for excellent performance.

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Made from high-density, noncombustible material, Johns Manville Sound & Fire Block® mineral wool helps delay the spread of fire between interior floors and rooms.

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 celings and floors.

MineralWool_Batt_15.5x47in_3894 190x122

Advantages
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
  Corrosiveness    ASTM C665   Pass
  Fungi Resistance   ASTM C1338   Pass
  Combustion Characteristics   ASTM E136   Pass


JM Mineral Wool


JM Mineral Wool Product Properties


JM Mineral Wool Product Properties
(short version)

Available Documents

Designed to help delay the spread of fire, Johns Manville Mineral Wool TempControl® Batts offer thermal control for wood-stud cavities of exterior walls, basements and heated crawlspaces.

Johns Manville Mineral Wool TempControl® batts offer R-Values up to R-30. Noncombustible, fire- and moisture-resistant, they are designed to deliver thermal control and delay the spread of fire in wood-stud cavities of exterior walls, basements and heated crawlspaces.

MineralWool_Batt_15.5x47in_3894 190x122

ADVANTAGES
Thermally Efficient: Effective resistance to heat transfer with R-values up to R-30.
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 1
  Thermal Resistance    ASTM C518   R-15, R-23, R-30
  Flame Spread    ASTM E84   0
  Smoke Development    ASTM E84   0
  Critial 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
  Corrosiveness    ASTM C665   Pass
  Fungi Resistance    ASTM C1338   Pass
  Combustion Characteristics    ASTM E136   Pass


JM Mineral Wool 


JM Mineral Wool Product Properties


JM Mineral Wool Product Properties
(short version)

Available Documents