Isokern, by Earthcore, is the market leader and innovator in modular masonry fireplace design with over 80 years of professional experience. Isokern’s unique modular, inter-locking, component construction makes our fireplaces and chimney systems light-weight and easier to assemble than other alternatives on the market. The environmentally friendly, volcanic pumice stone offers the highest insulation value and exhibits reflective qualities improving the burn efficiency of each system assembled. Isokern masonry fireplaces and chimney systems are ideal for indoor, outdoor, multifamily and commercial use. To visit our locations, please call to schedule an appointment.