Its possible smoke
If you ignore these requirements, then there will be not an effective warming up of the room and its possible smoke. A smoke threshold should be arranged above the firebox, which does not allow soot and sparks entering the room.
If you ignore these requirements, then there will be not an effective warming up of the room and its possible smoke. A smoke threshold should be arranged above the firebox, which does not allow soot and sparks entering the room.