Silvered flat glass mirror products can be fabricated to provide additional aesthetic appeal such as beveled edges and surface accents. As additional fabrication features are applied, is it critical to ensure proper fabrication conditions and techniques are utilized during every step of fabrication in order to protect and maintain the integrity of the mirror backing and edges and to reduce the chances of black edge developing. This document was originally published in 2009, republished in February 2013 and updated in July 2019.