Rutland Castable Refractory Cement 12.5 Pound - High Temperature Fireplace & Woodstove Fire Cement - Cast Custom Fire Brick, Refractory Panels & Fire Pits, Pizza Ovens

Easily fix large masonry holes or cracks in your indoor or outdoor fireplace, stove, or other heating appliance | Build a solid fire pit floor or mold into custom firebrick shapes, the possibilities are endless | No heat cure required making your project much easier | 25 pounds will cast a 12" x 12" x 3" block | For interior or exterior use, rated to 2,200 Degrees F (1,200 Degrees C)