The reason the inspector wants to see the tag is because then they know it is a 20 minute fire rated door and meets one of the choices for type of door for garage house fire separation.
Garage fire door regulations.
Fire door requirements are set by the national fire protection association and these requirements have been incorporated into most local building codes in the united states with little to no modification.
Internal doors to integral garages should be fd30 fire doors and include smoke seals and self closing devices.
If the door is not solid wood or steel honeycomb and at least 1 3 8 thick then it must have a 20 minute fire rating.
A guide to fire door regulations.
For a typical two storey domestic home the building regulations require that where the property has an integral garage the door between the main property and the garage normally kitchen or utility should be a fd30 fire door 30 minute fire resistant and include smoke seals and self closing device it is also recommended that the garage.
A remodeler doing a flip house changes out all the doors in the home to update the interior and replaces the old door to the garage with a hollow core interior door.
They compartmentalise the building to delay the spread of fire throughout the building.
3 exit doors in places of employment in group b occupancies may be locked whenever the locking device or mechanism is controlled by an effective mechanical electrical or electronic system acceptable to the division and approved for the purpose by the state fire marshal.
Fire doors are generally fire resistant sealed frame doors made of various materials and installed in fire rated walls.
Door to house this is the only place where any fire rating is specified.
Walls and floors and are evaluated by the same stringent procedures and criteria.
These are the only doors inside a dwelling that require self closing doors garage floors should also be sloping outwards or at least 100mm lower at these doors to prevent fuel spillage leaking in to the home.
By the way cutting a hole in the door to install a pet door flap voids the 20 minute rating.
Bs 8214 2008 also offers recommendations on fire door inspection schedules.
A fire door is a fantastic safety precaution that can help keep your employees safe and minimise the damage a fire can cause to your property.
It is not likely that any raised panel 1 3 8 door will ever have such a rating or qualify for proper garage house fire separation.