Ceramic glass doors a masonry fireplace and do not care about any heat coming into your room then it is ok to burn a fire with your glass doors closed.
Gas fireplace glass doors open or closed.
All gas logs should be burned with the doors wide open even if a mfr tells you they are approved for closed doors.
How to have a fire.
At chimney safety institute of america we commonly get asked about whether homeowners should leave the glass doors on their fireplace open or closed.
Designed as a surface mount these track free doors sit outside the fireplace opening against a flat surface and help reduce.
Keep in mind the glass used with a wood stove is different from that used with a fireplace.
Ceramic glass doors cost 3 to 4 times as much as standard tempered glass but they are designed to withstand the high heat that fireplaces generate.
Compatible with a traditional masonry fireplace the decorative compatible with a traditional masonry fireplace the decorative and bi fold pleasant hearth ascot collection glass fireplace doors have a 1 piece welded frame and a high heat powder coated black finish.
Leaving my glass fireplace doors open when i m not burning a fire is ok.
It is still an open hearth fireplace which is susceptible to aerodynamics.
If you close the doors the flames pull towards the glass where it can impinge and shatter the glass.
Build a fire with dry seasoned firewood and kindling or fire starter bricks then close the metal mesh screen but leave the glass doors open.
First open the flue.
Do not attempt to close your masonry fireplace doors until only a few embers are left burning in the hearth.