The vacuum tube in a CRT can implode if it is broken or punctured. The surrounding air will rush violently into the unsealed vacuum in the CRT, spraying broken glass in every direction. Color CRTs may contain mercury or other potentially toxic materials.
Instructions. Build a hearth for a fireplace that is 16 inches deep, according to This Old House writer Harry Sawyers. This is the standard requirement for municipalities and homeowner associations. The hearth should also extend a minimum of eight inches on either side of the fireplace.
Unfortunately, the wood burning units that we offer are no smaller than 36 inches in width. A width under 36 inches is rarely called for, so the manufacturers we work with simply do not produce this size.MI Bungalow-Builder 36 Inch Circulating Wood Burning Fireplace. FMI Bungalow-Builder 36 Inch Radiant Wood Burning Fireplace-Smooth Face. This is a basic, decorative fireplace for burning wood. We also supply the required FMI 8 chimney pipe, and we can provide a quote for everything needed for installation, if desired.