The door shown is a 3 0 x 6 8 with an overall opening requirement of 40 x 82 to allow for the 2 face of the hollow metal frame.
Metal door frame header.
Fast easy alternative to traditional.
Eliminates the need for studs below the header.
When in doubt use 2 by 12 inch headers.
The steel door institute produces quality and performance standards for steel doors and frames.
Fire rated gray right hand flush steel prehung commercial door and frame with panic bar and hardware 679 00 699 00.
Dead load is the vertical load imposed on the header.
A door or window header must be designed to resist both lateral load and dead load.
Custom fire rated 16 gauge steel frames.
Load bearing or partition will govern how the header is built.
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.
For fast accurate installation of door and window headers and other cross members.
Armor door 36 in.
Lateral load is the horizontal load imposed on the header.
Hh header hangers can speed up the job strengthen the frame and eliminate the need for trimmers.
Protect your door and window header installations from download forces.
The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.
You can see how the lintel had to be notched to accommodate the height of the frame.
This is the actual thickness of a 2x4.
Measure the width of your door frame.
You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.
Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12.
Cut the door header.
Together the headers king studs and trimmers act as a system that transfers weight from above down and around the window and door openings to the floor and foundation below.
By specifying steel doors and frames to our standards and from sdi certified manufacturers you can be assured to receive high quality.
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If you are using metal stud framing you can buy an easy to install one piece.
And as the door and hardware industry evolves our standards are updated to reflect current best practices.