What is how to frame a door?

Okay, here's information on framing a door in Markdown format, with the requested links:

Framing a Door

Framing a door involves creating a structurally sound opening within a wall that will properly support the door and allow it to swing freely. Here's a breakdown of the key steps:

  1. Rough Opening: The first step is creating the rough opening in the wall. This opening needs to be slightly larger than the finished door frame size to allow for shimming and adjustments. The rough opening should be 2 inches wider and 2 inches higher than the finished door size.

  2. Components: Understanding the components is crucial:

    • Studs: These are the vertical framing members that form the sides of the wall.
    • Header: This is a horizontal framing member that spans the opening at the top, supporting the load above. The size of the header depends on the width of the opening and the load it needs to bear.
    • King Studs: These studs run from the bottom plate to the top plate on either side of the opening. They are the full-length studs to which the other framing members are attached.
    • Jack Studs: Also called trimmer studs, these are shorter studs that run from the bottom plate to the underside of the header, supporting the header. They are nailed to the king studs.
    • Sill: A horizontal piece at the bottom of the door frame (often part of the finished door frame, but may need framing depending on the application).
  3. Construction:

    • Install King Studs: Position and secure the king studs on either side of the rough opening. They should be plumb and properly fastened to the top and bottom plates of the wall.
    • Install Jack Studs: Attach the jack studs to the inside of the king studs. These provide the support for the header. Ensure they are plumb and securely fastened. The top of the jack stud determines the height of the door opening.
    • Install Header: Build and install the header assembly on top of the jack studs. The header spans the opening and must be strong enough to support the load above. Proper fastening to the king and jack studs is critical.
    • Check for Square: Verify the frame is square by measuring the diagonals. They should be equal. Adjust the frame as needed until it is square.
  4. Shimming:

    • Once the frame is complete, install the finished door frame within the rough opening. Use shims to ensure the frame is plumb, level, and square. Shims are thin pieces of wood used to fill gaps and make adjustments.
  5. Fastening:

    • Secure the finished door frame to the rough opening using nails or screws, driving them through the frame and shims into the studs.
    • Ensure the fasteners are long enough to penetrate the studs securely.
  6. Insulation:

    • Fill any remaining gaps around the door frame with insulation to prevent drafts and improve energy efficiency.
  7. Finishing: Trim out the door with casing to conceal the rough opening and create a finished look.