Metacaulk® FRM Fire Rated Mortar (45lb Bag)

Crafted for effective firestopping applications, this load-bearing mortar is designed to seal large openings in fire-rated walls and floors, providing a robust solution for through-penetrations. Rigorously tested in accordance with ASTM E 814 and ULC-S115-95 standards, it is rated for up to four hours of fire resistance, ensuring reliable protection in critical infrastructure. With a workable consistency that can be poured or troweled, it sets without shrinking and is easy to manipulate, allowing for future adjustments with ease. Ideal for use with a variety of materials, including aluminum and steel cable trays as well as copper and cast iron pipes, it combines safety with simplicity, eliminating the need for specialized tools during installation. Additionally, the mortar is enhanced with biocides to safeguard against mold growth in both wet and dry environments, making it a practical choice for diverse applications.