This doorset is a single door heating unit in a small fireplace. It has upper air valves and an air wash for clean efficient wood burning. It has fiberglass rope door seals and lever action door handles to make it more airtight. The door has a 1.5 inch frame and the main frame is made to overlap the fireplace as much as possible in order to achieve more width of glass. The main frame is painted charcoal color and the doors have a fresh ground steel finish and are painted with a high temperature clearcoat paint to prevent rusting.