Face weld back weld and full profil.
Diy steel door frame.
Be an industry leader.
Schweiss is the only door manufacturer that specifies double cylinder push tubes 2 x 4 hinge assembly hinges wrap around the horizontal door frame and verticle uprights.
Building a metal door from scratch.
Installing a metal door frame can be done in 6 easy steps.
These are those steps.
Typical door frame sizes 2 x 4 members on 60 centers.