Step 1 measure and mark the door jambs from the floor to the desired height of the 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.
Metal walls framed with steel studs are practical in basements and utility rooms where water heaters and washing machines are installed.
You can insert 2x4s into headers and studs at door openings to provide a surface for attaching doorjambs.
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.
You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.
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.
This is the actual thickness of a 2x4.
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.
Cut the door header.
How to frame a door in metal walls.