Metal Building Door Installation


Metal buildings usually require a galvanized steel door with heavy-duty frames hung on ball bearing hinges. Contractors often opt for pre-assembled, ready-to-install doors due to the simplicity of installation as well as the quality of the doors. Choosing a door for a metal building isn't about filling a hole in the wall, it's about adding a door that is as quality oriented and attractive as the building itself. Because builders want choices and options, doors made for metal buildings come in a variety of different sizes, colors and surface designs.

Things You'll Need

  • Metal door hung on a metal jamb
  • Plumb line
  • Level
  • 3/4 inch self-tapping screws
  • Screwdriver
  • Take the pins out of the hinge and remove the door from the jamb. Now you have only the metal jamb, which it is lighter and easier to work with.

  • Place your jamb in the metal door opening, plumbing the hinge side of the jamb and securing it on both sides with 3/4 inch metal self-tapping screws. The jamb as well as the metal opening will come with predrilled holes for screws.

  • Place the door back on the jamb, starting with your top hinge pin and working your way down. The secured jamb will now hold your door in place.

  • Move the header part of the jamb up or down until the gap is parallel to your door and secure it with 3/4 inch self-tapping metal screws.

  • Move the last leg of the jamb in and out so you have an even gap parallel to the door and secure it. All gaps should be approximately the width of a nickel. This allows for a couple coats of paint on the jamb, and a couple coats of paint on the door, and any shifting from earth movement.

  • Install the hardware on your door. Adjust the striker plates accordingly, so when the door closes, it doesn't rattle.

Tips & Warnings

  • To make the door parallel to the jam leg, use duct tape and tape a string line to the bottom hinge side of the jamb. Stretch it to the top opposite corner so it goes through the jamb and tape it. Bring it back across the header of the door and tape it. Then bring it down through the doorway to create an X. Move the jamb leg back and forth until the two pieces of string touch in the center of the X.
  • Metal on metal requires screws. Do not use nails. Metal walls on metal jambs are unforgiving. You will have very little play for adjusting.

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