The frame is compatible with walls that have a thickness of 4 7 8 in.
Fire rated door tags.
The door panel and frame are both made from galvanneal steel to secure and protect your home or building.
Standard for fire doors and other opening protectives when it comes to installation and maintenance of fire doors.
Nfpa 80 requires that all fire door openings both doors and frames are required to have a fire rated certification label clearly visible for the ahj and should not be removed or painted over during the life of the building.
Once a door is assembled the only way to determine if it has all necessary components to be the proper fire rating of today s standards is with destructive examination.
They are used as a passive means of protecting people and property from fires.
Labels on fire doors fire door frames or other components of a fire door assembly are the identifying mark that the door or component has been tested to the required first test standards and has passed the criteria required by those test standards.
Fire rated doors are used in buildings to prevent the passage of fire and smoke between two compartments or areas.
A if you re referring to the fire rating door tags then yes if you cannot find an acceptable way to verify the fire rating of a door that is required in the opening then this would be the only option.
Model codes in the united states generally reference nfpa 80.
Or up to 4hr 240 30 rating if confirmed by the manufacture that the fire door frame is rated at a higher protection level.
The door and frame assembly is fire rated with a 1 1 2 hours fire rating.