High-quality ceramic doors often feature fiberglass gaskets. This creates an airtight seal, preventing heated room air from escaping up the chimney and allowing you to control the burn rate of the wood.
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 . buy ceramic glass fireplace doors
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). High-quality ceramic doors often feature fiberglass gaskets
The biggest difference lies in heat tolerance and transparency: buy ceramic glass fireplace doors