The fire protection time of fire doors is 60/90/120min. Fire doors are usually divided into wooden fire doors, steel fire doors, stainless steel fire doors, fire glass doors and fire entrance doors, whether they are wood, steel or other materials. There are three grades, A, B,and C.

https://ztfiredoor.com/16383.html

2 hour rated access door,فائر شٽر قيمت،180 منٽ فائر ريٽ ٿيل دروازا,fire doors front door,شيشي سان 60 منٽ فائر ريٽيڊ دروازو،2 hour rated access door,باهه جو دروازو ٻيڻو،180 منٽ فائر ريٽ ٿيل دروازا,rated access doors,fire doors front door,milcor fire rated access doors,fire rated attic access hatch,180 منٽ فائر ريٽ ٿيل دروازا,باهه جي درجه بندي ڪاريگر دروازو،fire doors front door,فرنس روم لاءِ فائر ريٽيڊ دروازو،2 hour rated access door