Fire Rating Level for Steel Fire Door
Steel fire doors are designed to provide safety and security by preventing the spread of fire and smoke between compartments. The fire rating level indicates how long the door can withstand fire under standardized testing conditions.
Typical Fire Rating Levels
| Fire Rating | Duration | Certification Standards |
|---|---|---|
| 30 Minutes | 0.5 Hour | UL, CE, ISO, SGS |
| 60 Minutes | 1 Hour | UL, CE, ISO, SGS |
| 90 Minutes | 1.5 Hours | UL, CE, ISO, SGS |
| 120 Minutes | 2 Hours | UL, CE, ISO, SGS |
| 180 Minutes | 3 hours | UL, CE, ISO, SGS |
Certifications:
Steel fire doors often carry certifications such as UL (Underwriters Laboratories), CE (Conformité Européenne), ISO, and SGS, which confirm their fire resistance.
Note: The exact fire rating depends on the manufacturer, model, and specific certification obtained. Always check product documentation for precise fire rating information.
XunZhong fire door meets UL/NFPA/EN/BS/GB standard,complying these criteria asUL 10B, UL10C, NFPA-252,EN-1634-1,BS-476-22. Doors are with UL/EN certificate.UL/NFPA/EN/BS 20 minutes up to 3 hours fire rating. Available with fire proof glazing andtop light widely applied to Industrial, Commercial, Chemical, Nuclear and MedicalIndustries.
Currently the main products in Shanghai Xunzhong Industry Co., Ltd. are UL LISTED FIRE RATED DOORS, The max fire rated reach 3 hours, which is widely used in different area.
Different types are available, if you are intrested in steel fire doors. Contact us to get more details.
