FireRock manufactures the most advanced masonry fireplace system available and costs 50-70% less than traditionally constructed site-built fireplaces. Using patented engineering, experts designed our fireplaces to draw efficiently and maximize heat reflection. Leading third party agencies test and list our fireplaces under applicable standards, such as UL 127. We’ve done all the work to provide the best masonry fireplace solution: high performing, safe, and affordable. Plus it comes with a 20 year warranty.