At chimney safety institute of america we commonly get asked about whether homeowners should leave the glass doors on their fireplace open or closed.
Gas log fireplace glass doors open or closed.
This promotes adequate air flow to the gas logs.
Tempered glass fireplace doors should remain open when a fire is burning.
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.
In the off chance you have.
When burning gas logs in a wood burning fireplace the glass doors should always be fully open when the gas logs are burning.
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If you close the doors the flames pull towards the glass where it can impinge and shatter the glass.
Regardless if you have vented gas logs in your masonry fireplace or vent free logs in your prefabricated unit your fireplace doors should always been open and the mesh screens closed when using your gas logs.
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.
All gas logs should be burned with the doors wide open even if a mfr tells you they are approved for closed doors.
Keep in mind the glass used with a wood stove is different from that used with a fireplace.
Gas fireplace logs gas fireplace screen.
Gas fireplaces grow in popularity every year and manufacturers offer a wide selection including gas logs and self contained fireplace units mounted to a wall.
First open the flue.
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.
How to have a fire.
It is still an open hearth fireplace which is susceptible to aerodynamics.
If your doors are open too wide you also potentially have the issue of suffocating the fire with too much oxygen.
Always keep the screen mesh on your fireplace closed when using the fireplace to guard against.
A fireplace uses tempered glass that is resistant to physical shock.
For example a chimney issue or cleaning issue.
There could be other underlying issues causing your fire to burn low.