Cut the door header.
Metal stud framing door header.
To make the door header the top of the door frame cut two 2x4s to the same length as the width of the original opening and nail them securely together.
If you will be hanging cabinets or trim on a wall that s framed with metal studs install pieces of 3 4 inch plywood between the studs to provide a surface to screw into.
You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.
Step 1 measure and mark the door jambs from the floor to the desired height of the header.
Unlike wood framing.
Back to back header reduces web crippling reinforcement requirements.
Metal walls framed with steel studs are practical in basements and utility rooms where water heaters and washing machines are installed.
Header tracks infill stud header members typical base anchorage use of cripple stud to receive head sill tracks at the jamb studs helps maintain alignment of finishes.
How to frame a door in metal walls.
If you are using metal stud framing you can buy an easy to install one piece factory fabricated header or you can build your own.