Steel fire doors require specific technical skills.
In our daily fire prevention efforts, we must install a steel fire door for fire protection. When installing fire protection products in many important venues, there are high requirements for technology, both in production skills and in the effectiveness during use.
Due to the stringent production requirements for fire-resistant door manufacturing, great attention is paid to material quality during the production of steel fire doors. The steel plates used for the door frame and leaf must be of the quick-forming type and are roll-formed in a single pass. Additionally, the frame features welded reinforcing angle steel, and the hinges are externally welded to the wall with galvanized mud flaps. The door leaf is equipped with reinforcing panels. Throughout the production process, strict requirements are imposed on the thickness of the steel material, the door leaf panel, and various accessories. After the overall door structure is completed, the frame is typically filled with cement perlite mortar or cement mortar, which provides excellent fire-resistant properties.
The inner fillings of steel fire doors, such as perlite or cement foam boards, offer excellent fire resistance. Therefore, when purchasing steel fire doors, there is no need to worry about their fire rating not meeting standards. As long as the products are purchased from authorized manufacturers, their quality will meet the technical requirements.
