When the fire door encounters a fire, the flame retardant rubber strip expands to completely seal the door seam to prevent smoke from entering. The flame retardant time can reach more than 2h, extending the rescue time. The fire door is equipped with high-quality fire-resistant hardware as standard, and it has been tested to meet the fire-resistant and smoke-proof standard.

hollow metal door astragal,fire rated door kick plate,hollow metal doors vs aluminum doors,commercial hollow metal doors near me,

fire resistant door manufacturer,hollow metal door astragal,double steel security door with hardware,images of wooden safety doors for flats,security doors 820,hollow metal doors vs aluminum doors,safety door photo,9 foot doors interior,commercial hollow metal doors near me,labeled panel door,

wooden fireproof doorshollow，hollow metal door astragal,emergency exit door use,fire rated door ul,fire rated door residential