Standard tempered glass is rated for roughly 400°F–500°F. Ceramic glass (often branded as PyroCeram or Robax) can withstand continuous temperatures up to 1,200°F–1,400°F .
Determine if you want Overlap Doors (which sit on the face of the fireplace and cover the opening slightly) or Inside Fit Doors (which sit flush inside the opening). buy ceramic glass fireplace doors
Fireplace doors are not "one size fits all." Accuracy is critical: Standard tempered glass is rated for roughly 400°F–500°F
Measure the width and height of the finished opening of your fireplace. Measure in three spots (left, center, right) and use the smallest dimension. Fireplace doors are not "one size fits all
Some high-end ceramic door kits include "air wash" vents at the bottom. These direct a thin curtain of air across the glass to help keep soot and creosote from sticking, keeping your view clear. 4. Safety and Maintenance