C-channel Or Purlin To Attach
The Endwall Sheeting To Above
The Bifold Door

Stub Columns

Lateral
Bracing

Side
Column

Door rolls Up
On Face Of
Side Column

Overall
Height Of
Bifold Door

Clear
Opening
Height

Endwall
Building
Main
Frame

Building's Side Columns
Must Be Strong Enough
To Support The Bifold
Door In All Positions

Stub Columns
Heavy Structural
Steel

Back Bracing
Very Important

Header Plate And The
Door Column Must Be
Flush

Dotted Line Represents The
Header Plate

Door
Column

Stubs Welded Or Bolted To The Main Frame Or The
Continuous Header To Support The Door Header Plate

Endwall Sheeting Above
The Bifold Door

Main Building
Frame

Door Column

Finished Floor

Header Plate And The Door Column Must Be Flush

Stubs Welded Or Bolted To The Main Frame Or The Continuous Header To
Support The Door Header Plate. The Door Can Also Be Attached To The
Vertical Stubs Only Leaving The Continuous Header Off, Just Another Way
To Support The Doorframe.

Main Building
Frame

Door Column

Door
Column

Endwall Sheeting Above The Bifold Door

Finished Floor

Main Frame

Continuous Header
For the Bifold Door

Back Brace Square Tubing
Connects Two Main Frames

Stub Column
That attaches to the
Continuous Header
to the Main Frame

Side Columns &
Continuous Header
Faces must be flush

Side Column The Bifold
Door rolls up on.

Maximize your Clear Opening height by placing your Header within the Main Frame

Main Frame

Continuous Header
For the Bifold Door

Back Brace Square Tubing
Connects Two Main Frames

Stub Column
That attaches to the
Continuous Header
to the Main Frame

Side Columns &
Continuous Header
Faces must be flush

Side Column The Bifold
Door rolls up on.

Lateral Bracing

Stub Column

Bottom
Of Stub

Top Of
Header

Clear
Opening

Overall
Height Of
Bifold Door

Side Column

Building Line

Bifold Door Endwall
(Recessed Bifold Doorframe)