Fire Rock Manufacturing specializes in pre-engineered, masonry fireplace systems suitable for indoor or outdoor fireplaces. Fire Rock products utilize volcanic pumice and calcium aluminates cements to form refractory components that reflect heat back into the home. Fire Rock products install in a fraction of the time it takes to build a masonry fireplace from concrete or brick. The components are designed to insure proper draw on every firebox. Once installed, a Fire Rock fireplace can be covered in a variety of veneers. The system is American made, patented and tested to UL standards.