Nuco Mineral Wool (Safe) 2" x 4" x 4

• Pre-cut strips for easy installation.
• Excellent sound deadening & insulation value.
• Protects your wall & floor openings.
• 4.5 pcf (72 kg/m3) density.
• Tested at positive pressure to simulate the pressure differentials that can occur in a fire situation.

TYPICAL USES

• Fills voids, joints or cavities in fire separations.
• Used as a backing material for Self-Seal™ Firestopping Products.
• Aluminum, pre-cast concrete and most exterior wall systems.
• Thermally expanding pipes that are insulated at fire separations.
• Power / communication cables and aluminum or galvanized steel cable trays.
• Static & non-static pipes and conduits.