Heat Stop 50 Refractory Mortar Bag
High-temperature mortar mix for masonry and firebrick installations
Elevate your masonry projects with the Heat Stop 50 Refractory Mortar 50 lb Bag—an industry-leading dry, non-water-soluble mortar specially formulated for firebrick and clay flue liner installations. Perfect for fireplaces, wood stoves, pizza ovens, and other high-temperature masonry needs, this mortar delivers exceptional heat resistance, long-lasting durability, and effortless application, making it ideal for both professionals and DIY enthusiasts. Its versatile light gray color blends seamlessly with most firebrick and masonry surfaces, while the generous 50 lb bag ensures you have ample material for large and small jobs alike. Choose Heat Stop 50 for reliable performance and superior results every time.