Design Specialties makes glass door for both masonry and zero clearance fireplaces. They have a wide selection in frame finishes enabling you to coordinate your fireplace with other accessories in the room. There is also a selection in glass color. While some styles are available as stock sizes, they also do custom sized doors.
The doors are available as fold back bi-fold or cabinet style twin doors. Mesh is optional and is available as mesh curtains or gate mesh doors.