The airtightness of the fire door is very high. The gap between the fire door frame and the door leaf will be filled with fire safety materials, which can not only achieve the actual effect of isolating the spread of thick smoke, but also achieve a good actual effect of sound insulation.

metal door frame,fire proof doors for apartmentsi,fireproof door for kitchen,metal door dimensions,metal door exterior paint,

fireproof sliding glass door,fireproof hatch door,fire rated door kick plate,fireproof doors producer,metal door frame,fire resistant door price,metal door dimensions,fire rated door 60 minute,90 minute fire rated door frame,metal door exterior paint,

wooden fireproof doors,fire door vs smoke door,metal door frame,fire rated door 2 hour,fire rated door with vision panel