Rated up to 2200 DegreeF (1200 DegreeC). used to cast custom shapes, to Replace worn-out firebrick or fill large holes in the Masonry firebox.
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