Steel gage of the door example.
Fire rated door stop size.
In addition heavy fire doors may drop by a millimetre or 2 over time and so tight fitting doors will stop closing and need to be adjusted.
Fire ratings for doors are influenced by but not limited to the following items.
A note of warning hang the door first then fix the stops not the other way round.
The planted section should be fixed by pinning or gluing and pinning the stop to the frame.
Door stops which assist the door in latching can be cut out of the solid frame a rebate is produced to form a stop for the door or planted.
And since simpson fire doors have been designed to match other interior doors your fire rated doors will blend seamlessly with all doors in your home.
Maximum doors size for fire ratings is influenced by but not limited to the following items.
How thick should my fire door frame or lining be.
Frame or lining thickness would usually be tested.
This could be achieved by fixing an addition 1 2 inch 12mm glued and screwed to the existing door stop.
20 gage door constructions are approved for smaller door sizes than what is shown above.