Forest Bright fire rated wooden door passed 20 minutes, 45 minutes, 60 minutes, and 90 minutes type A positive pressure test, meet USA NFPA 252 (2012); UBC 7-2; UL 10B; UL10C standard.
Fire Rating: 90 Minute Label (UL) Specifications: 5 Ply Construction Thickness: 1 3/4'' Only Core: Fire Core Veneer: HPL or 2 Ply Fiberboard (HDF) Backer Wood Veneers Machining: To Specification Louver: To Specification Fire Rated Door Frames Available