Knowledgable fire door recommendations: selection of fire doors

Today, when fire safety is being paid more and more attention, fire doors are widely concerned as the first line of defense to ensure life safety when a fire occurs. This has led to the rise of fire door production. Looking at the fire door market, fire doors of various types and functions emerge in endlessly. The main materials here are high-tech materials, and people are dazzled. But what kind of fire doors are there? Are they qualified? Do you know the major factors when purchasing fire doors? Let us tell you in detail today.
According to national regulations, steel and wooden fire doors can be divided into three categories: Class A, Class B, and Class C according to fire resistance limits. The fire resistance limit requirements are minutes, minutes, and minutes respectively, and the wood used to make wooden fire doors Drying and flame retardant treatment are required, and the hardware accessories used must also be fire-resistant hardware accessories.
Tongxiao Door Industry reminds you to have three tips for choosing high-quality fire doors.
The first step is to match the numbers. The overall dimensions of the qualified product should be less than or equal to the overall dimensions in the sample description, the door leaf thickness should be greater than or equal to the door leaf thickness in the sample description, and the door frame side wall width should be greater than or equal to the door frame in the sample description. The width of the side wall, the outer dimensions of the fire-resistant glass should be less than or equal to the outer dimensions of the fire-resistant glass in the sample description, and the thickness of the fire-resistant glass should be greater than or equal to the thickness of the fire-resistant glass in the sample description.
The second step is to check the appearance. The high-quality steel fire doors are welded firmly, the solder joints are evenly distributed, and the outer surface is spray-painted flat and smooth. There should be product marks, quality inspection marks and quality certification (approval) marks at the specified positions. A qualified wooden fire door should have a complete appearance, no damage, a smooth surface, no planing marks, burrs and hammer marks. The corners and seams should be tight and smooth. There should be product marks, quality inspection marks and quality certification ( Approval) mark of conformity.
The third step is to look at the seal. Qualified steel and wooden fire doors should be equipped with fire seals. The seals should be straight, without arches, and have a qualified test report issued by a national testing agency.
As the most professional fire door manufacturer in China, Tongxiao Door Industry (Tongxiao Door Industry) has adhered to the concept that quality is the life of enterprise development since its birth. It has been committed to the research and development and production of fire doors for many years, using strict quality standards. requirements to control products. The company has a strong scientific research and development team, integrating cutting-edge technology with the latest design concepts. At the same time, it pays attention to after-sales tracking and service for users, and insists on using its own efforts to serve the society and the public.
Tongxiao Door Industry reminds everyone that the fire door market is a mixed bag. You must be careful when choosing and choose qualified and powerful manufacturers. You must not choose inferior fire doors just for the sake of cheapness, which will cause catastrophe in times of crisis.
If you have any questions about fire doors, we will try our best to answer them for you. For more details, please visit the official website of Shenzhen Tongxiao Industrial Co., Ltd. or consult the relevant staff