⬥3M Fire Block Foam FB-Foam: A reliable fire block and draft stop foam sealant for both residential and commercial construction, providing insulation and bonding capabilities.

⬥Heat-resistant foam that can withstand temperatures up to 240F/115C, offering superior fire protection. Meets ASTM E 84 (mod) Class 1 standards for smoke spread and flame development.

⬥Quick and easy to use with a ready-to-use formula, the foam becomes tack-free in approximately 5 minutes, allowing for efficient installation and sealing.

⬥Versatile application: Use this fire block foam to seal, fill, insulate, and bond in non-rated construction projects, ensuring enhanced safety and protection.

⬥Durable and long-lasting: This foam sealant is moisture resistant, fire and high heat resistant, permanently flexible, and mildew resistant, making it suitable for both indoor and outdoor use.