Foam & Fill® Fire Block is a self-extinguishable polyurethane foam sealant that fills, insulates, and seals interior and exterior gaps and cracks, inhibiting the passage of fire through residential utility penetrations. Formulated to block air intrusion, this foam sealant reduces the spread of fire, smoke, and gas into walls and ceilings.

• Self-extinguishable polyurethane foam sealant; fills, insulates, and seals interior and exterior gaps and cracks, inhibiting the passage of fire through residential utility penetrations
• Formulated to block air intrusion; reduces the spread of fire, smoke, and gas into walls and ceilings.

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