Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Outside access to my attic.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
The attic is the 2nd story of my home and has normal stairs going up from the main floor living space.
But they do not mention or prohibit exterior access to the attic.
The international building code irc and the 2017 residential edition of the florida building code fbc r807 1 both state that the attic access must be readily accessible and also provide specs for the size of a ceiling or wall access opening.