All of the fireplace doors on this page are made from solid 3/16" steel. Solid steel is the heaviest gauge material used for the construction of fireplace doors and is extremely durable, so it is most desirable if you plan on using the fireplace a lot. Most of the solid steel doors are made from a single laser cut sheet of steel, so the custom made doors can be made in almost any shape or style. Solid steel can finished using a variety of techniques including plating, powder coating and hand finishing. Overall, these doors have the most flexibility of all fireplace doors. These doors have a look of opulence and quality that cannot be found in less expensive doors that are made of sheet metal or aluminum.