Cdf distributors is the online source for commercial steel doors hollow metal doors wood doors fire rated doors welded frames knock down frames door hardware.
Metal door frame header.
A door or window header must be designed to resist both lateral load and dead load.
For fast accurate installation of door and window headers and other cross members.
Hh header hangers can speed up the job strengthen the frame and eliminate the need for trimmers.
Dead load is the vertical load imposed on the header.
This is the actual thickness of a 2x4.
We take pride in our easy online ordering system allowing you to configure a door without the hassle or confusion giving you easy access to some of the lowest prices on the internet.
When in doubt use 2 by 12 inch headers.
The steel door institute produces quality and performance standards for steel doors and frames.
The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.
Most door frames that are 4 feet wide or less require a 2 by 6 header.
You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.
Lateral load is the horizontal load imposed on the header.
Protect your door and window header installations from download forces.
Load bearing or partition will govern how the header is built.
Set your store to see local availability choose options.
And as the door and hardware industry evolves our standards are updated to reflect current best practices.
Fire rated gray right hand flush steel prehung commercial door and frame with panic bar and hardware 679 00 699 00.
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.
If you are using metal stud framing you can buy an easy to install one piece.
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.
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.
Custom fire rated 16 gauge steel frames.
Fast easy alternative to traditional.
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.
Measure the width of your door frame.
Commercial hollow metal door frames welded or knocked down for new or existing drywall block masonry walls.
By specifying steel doors and frames to our standards and from sdi certified manufacturers you can be assured to receive high quality.
Eliminates the need for studs below the header.