Johns Manville MinWool® Sound Attenuation Fire Batt (SAFB) insulation is manufactured from inorganic fibers derived from volcanic rock. Noncombustible and moisture-resistant, the lightweight and flexible batts are designed to deliver excellent noise control in metal-stud wall cavities of interior partitions, exterior walls or above suspended ceiling systems. As excellent sound absorbers, these batts improve the wall assembly Sound Transmission Class (STC) ratings by up to 10dB.
JM MinWool® Mineral Wool Board, 2.5 pcf Density, 48 in Length, R-Value; 3.7, 3.5 in Thickness, 24 in Width
| 48 | in | : | R-Value |
- Sound Control: Absorbs sound and improves wall assembly STC ratings by up to dBA
- Fire-Resistant: Melting point in excess of 2000 deg F (1093 deg C). Flame Spread of 0 and Smoke Developed of 0
- Durable Inorganic Glass: No growth of fungi, No sustaining of vermin
- Excellent Acoustical Performance
- Fire Safety
- Noncombustible
- Durable & Inorganic
- 0 Flame Spread Index
- 0 Smoke Develop Index
- <1% by Weight, <0.02% By Volume Water Vapor Sorption
- 1200 deg F Temperature Rating
- Mineral Wool Material
- 0.521 lb Weight
- This product has the potential for extended lead times.
Data Sheet