Fireproof doors not only have the function of ordinary doors, but also have the function of preventing the spread of fire. In case of a fire, the fire door of the stairwell can prevent the penetration, diffusion and spread of fireworks within a certain period of time, which will save valuable time for fire escape.

https://ztfiredoor.com/14193.html

fire rated door components,20 minute fire rated exterior door,fire rated crittall doors,20 minute fire rated door with glass,30 minute fire resistant doors,fire rated door components,commercial fire rated metal doors,20 minute fire rated door with glass,fire rated frp doors,20 minute fire rated exterior door,single panel fire rated door,fire rated door components,insulated fire rated access door,20 minute fire rated exterior door,20 minute fire rated door with glass