Chapter 01 — The smallest job with the most rules
A door is an opening in a wall.
Which is why it is permitted work.
Replacing an entry door looks like the simplest thing a contractor can do. It is also one of the most tightly regulated, because a door is a hole in the building envelope — a hole that has to resist wind pressure, resist impact, keep water out and let people out in an emergency.
In Miami-Dade and Broward, inside the High-Velocity Hurricane Zone, an exterior door assembly needs a Miami-Dade Notice of Acceptance. In Palm Beach, inside the Wind-Borne Debris Region, it needs impact-rated glazing or approved protection. In all three, replacing an exterior door is permitted work with an inspection at the end.
And the assembly is the unit. The door, the frame, the glazing, the hinges, the lock and the fasteners are approved together, in a specific configuration. Swapping the hardware for something that looks better, or fixing the frame with the wrong fasteners at the wrong spacing, takes an approved assembly outside its approval.

- Approved door assemblyvisible in this frame
- Frame set into the buckvisible in this frame
- Glazed panel to impact ratingvisible in this frame
- Threshold and sill panvisible in this frame
- Sealed perimeter jointvisible in this frame
The assembly, not the door
The door, frame, glazing and fasteners are approved together in one configuration. Substituting a component can void the approval for the whole unit.
What it is fixed to
A door is only as good as the buck and the structure around it. Rotten or undersized framing is the most common thing found once an old unit comes out.
In all three counties
Replacing an exterior door is permitted work with a final inspection, whether or not the opening size changes.


























