Controlled expansion fills 1/4 to 3 inch gaps for effective compartmentalization
Air-sealing capability reduces airflow through penetrations and cavities to support fire safety
Thermal and environmental resistance remains stable after curing for high-temperature applications
Strong adhesion bonds to masonry, wood, and metal for versatile use
Waterproof and mold-resistant once cured, suitable for painting and long-term durability
Summarized by Shop
X-Climate Pro Fire Block Foam is a professional-grade fire block solution developed for sealing and insulating gaps, cracks, and penetrations in both interior and exterior building assemblies. This single-component polyurethane foam is designed to support effective fire blocking by limiting air movement through concealed spaces, while als
Net Weight
24 oz (680 g)
Foam Type
Fire blocking foam based on polyurethane prepolymer