- 29
- Oct
E120-Min Fire Rated Steel Door
The fire doors have grades A, B, and C respectively, and their fire resistance limit times are 120 minutes, 90 minutes, and 60 minutes, respectively. Fire doors are doors used to maintain the fire integrity of fire escapes and provide means of escape.
ZHTdoors fire doors, 31 years of production experience in fire doors and Windows. The main UL fire doors, EN fire doors, BS EN fire doors, etc.,.We have certification.ZHTdoors support OEM and free design.Our advantages:good quality, factory price, good service.Welcome to consult us.