Fire prevention is essential in everyone's life. Fire windows can be seen on two buildings with insufficient fire protection distance. Now the application of fire windows has entered the homes of ordinary people. Some users have also installed fire windows at home for the safety of life and property, and everyone's understanding of fire windows may be limited. Let's take you to introduce the latest standards of fire window specifications.

1. The latest standard of fire window specification

1. The latest standard of fire door regulations Article 1. Check the sealing strip: qualified steel and wood fire doors and window hardware should be equipped with fire sealing strips, which should be straight and arch-free, and should have qualified test reports issued by national inspection institutions.

2. the latest standard of fire doors and windows specification article 2. Certificate verification: Fireproof door and window hardware is a product included in the formal approval system, and the product must be inspected before sale. The inspection report will specify the sample size, composition, materials and product pictures in detail. At the time of actual purchase, this set of standards and requirements can require manufacturers to provide type inspection reports.

3. Article 3 of the latest standard of fire window specifications. Fire windows are windows made of steel window frames, steel chassis and fire-proof glass, which can effectively prevent the fire from spreading. The fire resistance limit of A-class fire windows can prevent them from spreading for more than 1.5 hours, while that of B-class fire windows exceeds 1 hours and that of C-class fire windows exceeds 1.5 hours.

2. Precautions for the maintenance of fire-proof windows

1. When installing fire-proof windows, cement should be carefully filled to effectively and firmly connect the window frame with the wall surface, so as to maintain the reasonable cooperation between the window frames, and there is no need to worry about deformation when using them for a long time.

2. when using neutral reagent or wet cloth to clean the surface of fire-proof window, do not leave the surface of the window for a long time. Otherwise, the surface will be damaged and the surface finish will fade.

3. logarithmic value: the external dimensions of qualified products are those in the sample description, the fan thickness should be the wall thickness of doors and windows fans in the sample description, the width of door frame side wall should be the width of door frame side wall in the sample description, and the external dimensions of fire-proof glass should be sampled. The size of refractory glass in the description should be the thickness of refractory glass in the sample description.

4. process quality: high-quality steel fire doors and windows are tightly welded, and the welding points are evenly distributed. The outer surface is painted smooth and flat. There are product marks, quality inspection and certification marks and quality certification (accreditation) certification marks at the designated locations. The appearance of qualified wooden fire doors should be flawless, without surface marks, burrs and hammer marks, the surface should be clean, and the corners and joints should be firm and flat. Product marks, quality inspection marks and quality certification (accreditation) marks.

5. Grade inspection: According to relevant standards, the safety grades of fire doors can be divided into A, B and C, among which C has the highest anti-theft performance, B has the second and A has the lowest. For Class A fire doors, it is suitable for ordinary families.

the above is the detailed introduction of the latest standards of fire window specifications and precautions for fire window maintenance. In this small series, I suggest that it is a wise choice to use fire windows for everyone's personal safety. As the saying goes, fire and water are ruthless, so it is necessary to nip in the bud. If.