Steel Bifold Doors: Steel Buildings - Wall, Header, Placement Options

Steel Building Details

Stub Column

Steel Building W/ Stub Columns

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

Lateral
Bracing

Side
Column

Stub Columns

Overall
Height Of
Bi-fold Door

Clear
Opening
Height

Door rolls Up
On Face Of
Side Column

Endwall
Building
Main Frame

Steel Building Endwall Details

Detail drawing if a steel building endwall

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

Stub Columns
Heavy Structural
Steel

Back Bracing
Very Important

SIDE COLUMNS

Steel Building Details - Callouts

Drawing show measurements needed for mounting a bifold door onto steel building with stub columns

Lateral Brace Back To Next Main Frame

Stubs Should Be Heavy
Structural Steel

Endwall Building Main Frame

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

Stub
Columns

Stubs Should Stop Here

SIDE COLUMN

Door Rolls
Up Side
Column

Overall
Height Of
Bi-fold Door

Clear
Opening
Height

Stubs Do Not Have
To Hang Down Any Lower
(not Needed)

Placing Header Within Mainframe

Free standing header mounted within mainframe of steel building

Door
Column

Door Column

Header Plate And The
Door Column Must Be
Flush

Dotted Lines Represent The
Header Plate

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

Main Building
Frame

Endwall Sheeting Above
The Bi-fold Door

Finished Floor

- Clear Opening - Between Columns

- Distance To Stay Back With The Sheeting

Attaching Header Using Stub Ends

Free standing header attached to steel building using stub columns

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 Door Frame.

Header Plate And The Door Column Must Be Flush.

Main Building
Frame

Door
Column

Endwall Sheeting Above The Bi-fold Door

Door Column

Finished Floor

- Clear Opening - Between Columns

- Distance To Stay Back With The Sheeting

Bi-Fold Door Mainframe Endwall

Main Frame

Continuous Header
For the Bi-Fold Door

Back Brace Square Tubing
Connects two Main Frames

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

Header Within The Main Frame

Side Column The Bi-Fold
Door rolls up on

Side Column &
Continuous Header
Faces must be flush

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

Bi-Fold Door Mainframe Endwall - Below Main Frame

Details of free standing header attached to steel building using stub columns

Main Frame

Continuous Header
For the Bi-Fold Door

Back Brace Square Tubing
Connects two Main Frames

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

Side Column
The Bi-Fold Door
rolls up on

Side Column &
Continuous Header
Faces must be flush

Header Positioned Below The Main Frame

Steel Building Details - Side View

Height measurements for bifold door mounted to side wall of steel building

Lateral Bracing

Stub Column

Side Column

Top Of
Header

Overall
Height Of
Bi-fold Door

Clear
Opening

Bottom
Of Stub

Steel Building Details - Side View

Main frame set back from the face of the end wall

Continuous Header
For the Bi-Fold Door

Stub Column
Attaches to the
Continuous Header
to the Main Frame

Side Column
The Bi-Fold Door
rolls up on

Main Frame
For the End Wall

A = The Distance
From the face of the
End Wall to the center
of the Main Frame

B = The Distance
From the face of the
Building Line to the
center of the
Main Frame

Main Frame

Side View

Back Brace
Square Tubing
Connects two
Main Frames

Diagonal Back Brace
Square Tubing
To Next
Main Frame

Main Frame

Main Frame Set Back from the Face of the End Wall

20' - 30'
May be any distance
from Main Frame
to Main Frame

Steel Building Details - Top View

Top view of bi-fold door mounted to steel building with face mount

Main Frame Building

Main Frame Rafter

Building Line

Bi-Fold Door End Wall
(Exterior Bi-Fold Door Frame)

Bi-Fold Door
Frame mounts
on the Face of
the Building

Door Side Column

Steel Building Details - Top View

Top view of bi-fold door mounted to steel building with flush mount

Main Frame Building

Main Frame Rafter

Building Line

Bi-Fold Door End Wall
(Recessed Bi-Fold Door Frame)

Door Side Column

Commercial Doors - Endwall Header Placements

Style 1 header placement for bifold doors on steel buildings

Example 1

Roof support

Lateral Support

Roof Sheeting

Endwall Beam

Side View

Header Channel

Schweiss Bi-Fold Doors can fit any steel buildings, old or new, providing the commercial
door that suits your needs.

Rake Angle

Building Sheeting

3 x 4 Header

Finished Floor

Center Hinge

Style 2 header placement for bifold doors on steel buildings

Example 2

Lateral Support

Roof Support

Roof Sheeting

Endwall
Beam

Side View

Header Plate

Rake Angle

Building Sheeting

3 x 4 Header

Ceiling Height

Clear Opening

Finished Floor

Steel Building Details

Bifold door rolling up a steel building with i beam side columns

I - Beam Column

Column Follower

Single Roller

Door Frame

Bifold door rolling up a steel building with tube steel side columns

Tube Steel Column

Side Rail

Single Roller

Weld

Door Frame

Wind Rail

Door Placement

Top view of bi-fold door with flush mount to a steel building

(A) FLUSH MOUNT
Door shall be mounted flush with exterior walls of building - Select one.

Bi-Fold Door Frame

Building Line

Inside of Building

Sheeting is on the same plain

Recessed Door - Layout

Side Wall Girt

Steel
side column

Top View

Outside of Building

(B) FACE MOUNT
Door shall be mounted on the exterior walls of building - Select one.

Bi-Fold Door Frame

Building Line

Inside of Building

Sheeting is offset

Standard Header - Layout

Side Wall Girt

Building
Column

Top View

Outside of
Building

Back To Top or Marker