While selecting a fire rated door with the best ratings is important, you have to ensure it is properly installed.
A fire rated door is only effective if it is professionally installed. Each fire door comes with a different set of specifications as far as material, size, shape and parts of the door are concerned. There are so many things that you need to keep in mind while installing a fire rated door. Only professionals with their accompanying experience are able to install a fire rated door as per the specifications approved by the fire department for the door to perform to its maximum effectiveness.
In addition, buying a fire door from approved suppliers with proper COC (certificate of conformity). An approved fire rated door in China come with the labels from the ‘certified body’ (CB), and if such label is not available, the fire door will not be considered an approved door.