For wood burning fireplaces some masonry doors can be gasketed for an extra tight seal.
How to use a gas fireplace with glass doors.
Always keep the screen mesh on your fireplace closed when using the fireplace to guard against sparks popping out of the firebox area.
Check that no insulation is sticking out around the edge of the frame.
Wipe down the doors.
Make sure anything that can burn.
Check to see if they need repair such as tightening the screws or track cleaning before starting your fire.
Reach inside and twist sheet metal screws through the bottom brackets and into the lead anchors.
Follow these steps to use your glass fireplace doors when you are ready to enjoy a fire.
Glass doors should be fully open when starting a fire and when the fire is burning strongly.
First open the flue.
Tinting the glass on your doors can reduce the visibility of things like ashes or soot smoke stains.
How to clean gas fireplace glass doors.
Open both the bi fold doors using the handles.
Carefully slide the door into the firebox opening.
When using gas logs fire glass or modern gas media the doors must remain fully open at all times while in use.
When burning gas logs in a wood burning fireplace the glass doors should always be fully open when the gas logs are burning.
Behind the doors there should be a wire mesh fireplace screen.
Using a socket wrench tighten the screws to secure the unit to the brick.
The glass doors should be closed as the fire dies down to minimize the amount of room air going up the fireplace chimney.
Make sure the door is flush to the face of the firebox.
Let stand for 15 minutes.