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.
M Formaldehyde-free™ thermal and acoustical insulation for wood, engineered wood and steel framing is made of long, resilient glass fibres bonded with a thermosetting resin. A wide range of thermal resistance is available to provide thermal control for both vertical and horizontal applications.






