Earthcore’s Isokern line has become the most trusted modular system in the world. Isokern Fireplace & Chimney components are lightweight, while retaining UL 127 and UL 103HT (respectively) listings. Consequently, our Isokern Fireplace & Chimney Systems are less expensive to install than traditional masonry fireplaces. And, unlike typical metal box fireplaces or concrete systems, they are built to last forever.

FireRock manufactures the most advanced prefabricated 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.

After 70 years of unparalleled performance in the construction industry, Earthcore’s Isokern line has become the most trusted modular system in the world. Isokern Fireplace & Chimney components are lightweight, while retaining UL 127 and UL 103HT (respectively) listings. Consequently, our Isokern Fireplace & Chimney Systems are less expensive to install than traditional masonry fireplaces. And, unlike typical metal box fireplaces or concrete systems, they are built to last forever.

A true masonry fireplace for your outdoor living space, engineered for optimal performance. Finish look limited only by your imagination. Customize with stone, brick, veneers, ledgestone, pavers & stucco. Easily transported and constructed, kit pieces sized for easy access. Gas & wood burning. No unsightly metal boxes. BurnTech’s lifetime warranty.