The PFI is a fire rated insulated access door with 2” thick mineral wool and can be used on fire rated walls and ceilings. It comes with a 1” flange for an easy flush installation on any type of surface.
The PFN is not insulated and can only be used on fire rated walls. It comes with a 1” flange for an easy flush installation on any type of surface material. It should not be used in situations where protection against temperature elevation is required.
AHD - GYP
The AHD-GYP access door is engineered for a clean final finish. Once a sufficient layer of drywall compound is applied to the corner bead flange it will leave only the door panel visible.