Expandable hollow metal frames 90 Min fire rated Embossed) for 45, 60 and 90 minutes fire rated doors.

This frame comes complete with 3 pack hinges. If self closing hinges(spring hinges) are needed, they are available under Self closing hinges in the Fire rated doors category.

Throat adjusts to different wall depths from 5-3/8" to 8-11/16" deep.

3pc frame for 1 3/4" door slabs (order header, hinge & strike jambs).

4-1/2" x 4" hinge prep & 4-7/8" strike prep Use with Steel or Wood studs.