Can steel frames be installed after the wall board is installed in stud wall applications?

DW and K-Series frames are designed to slip onto a stud wall after the wall is finished (painted, wall papered, etc).

1. Walls can be either wood stud or steel stud
2. Used only for interior applications
3. In the industry, DW and K-Series frames are referred to as "Drywall Slip-on Frames"

F, FN, MU-Series are designed to be installed prior to the drywall being installed and finished.

1. Walls can be masonry, wood stud or steel stud
2. Frames are installed during the wall construction
3. Used only for both interior and exterior applications

FE and DE-Series are designed to be installed prior to the drywall being installed and finished.