1), fire door type
1. Fire doors can be divided into wooden fire doors, steel fire doors, steel and wood fire doors and fire doors made of other materials according to their materials.
2. According to the number of door leaves, it can be divided into single-leaf fire doors, double-leaf fire doors and multi-leaf fire doors (fire doors containing more than two door leaves).
3. According to the structure type, it can be divided into fire doors with fire-resistant glass on the door leaf, fire doors with bright windows, fire doors with glass and bright windows and fire doors without glass.
4. According to the fire resistance performance, it can be divided into insulated fire doors, partially insulated fire doors and non-insulated fire d.. Read More