Most fireplace glass doors are made of tempered glass with either ceramic or anodized aluminum frames. Glass is placed on the door so that the fire can still be appreciated even with the door closed. Most of these fireplace doors can be bought stock - meaning that most of the door that are for sale can be purchased off the rack and installed with minimal changes.
An electric fireplace is a great addition to the household. They come with different adjustable modes that can be used with a single click and can change a dreamy calm glow to a roaring flame for cold nights. They have a realistic sound that gives a feel of traditional fireplaces eliminating the risks associated with it and are much safer.