Mason-Lite 43" Pre-Cast Masonry See-Thru Firebox Kit

Recreating the tradition of the hearth and the elegance & romance of the flame Mason-Lite captures the essence of the fireplace masonry artists have been crafting for centuries. And, with a proven history of superior quality in lightweight fireplaces, it’s no wonder Mason-Lite is one of the industry leaders in modular concrete fireplaces. At Mason-Lite, we use the finest aggregate materials available to build our lightweight modular concrete fireplaces. One of the main ingredients is pumice, a natural-fired volcanic rock with tremendous strength. Its lightweight attributes are second to none, and because of its pre-fired beginnings, pumice retains heat better than any natural aggregate available. The best sources for USA pumice are in the western states, convenient to Mason-Lite’s California-based production facilities. Pumice is formed when gas-rich, frothy magma rapidly cools, creating air pockets that contribute to its remarkable lightweight properties. Because it is only half t