What are the specifications of a fire door?

This is the primary specification of a fire door, indicating its fire resistance limit, usually measured in hours (h). According to the Chinese national standard GB 12955-2008 "Fire Doors", fire doors are classified into: Class A Fire Door:...

Is it worth getting fire doors？

fire doors are worth getting because they provide critical fire safety by slowing the spread of flames, smoke, and toxic fumes, which can save lives and protect property. They are especially valuable for creating fire-protected compartments, giving oc...