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Side Column
Continuous Header Tube
Stub Column
Lateral Bracing
Top Bracing
Building Main Frame
B- Clear Opening
Endwall of Building
Main Frame
Stub Column
Continuous
Header
Lateral Bracing
Top Bracing
Side Column
CLEAR OPENING
BIFOLD
Endwall of Building
Main Frame
Stub Column
Continuous
Header
Lateral Bracing
Top Bracing
Side Column
CLEAR OPENING
HYDRAULIC
CONTINUOUS HEADER
For the bifold door
STUB COLUMN
Attaches to the
continuous header
to the main frame
SIDE COLUMN
The bifold door
rolls up on
MAIN FRAME
For the endwall
A=THE DISTANCE
From the face of the
endwall 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
20' - 30'
May be any distance
from main frame
to main frame
BACK BRACE
Square tubing
connects two
main frames
DIAGONAL BRACE
Stub column back
to the main frame
MAIN FRAME
MAIN FRAME SET BACK FROM THE FACE OF THE ENDWALL
(A1) FACE MOUNT
Door mounted flush with the wall of building
Building side column
Sheeting is in line
Outside of building
(A2) RECESSED MOUNT
Door mounted flush with the wall of building
Building side column
Sheeting is in line
Outside of building
(B1) FACE MOUNT
Door mounted flush with the wall of building
Building side column
Sheeting is in line
Outside of building
(B2) RECESSED MOUNT
Door mounted flush with the wall of building
Building side column
Sheeting is in line
Outside of building
LOSE NO HEADROOM
BIFOLD DOORS
ATTACH ABOVE
THE CLEAR OPENING
(NOT UNDER THE HEADER)
BOTH DOORS HAVE THE SAME CLEAR OPENING
ON THE SAME BUILDING ABOVE
NO NEED TO MAKE THE BUILDING TALLER
• Hydraulic doors ( red arc ) swing out when opening..............................requires a stay back area
• Bifold doors ( blue arc ) lift up when opening...........................................Parking not an issue
BI-FOLD DOORS
Fold in half when open putting less stress on the building and create a slight slope allowing water to run off.
HYDRAULIC DOORS
Protrude straight out off the building at 90 degrees and lays flat when fully open
Door Open 8'
18' Clear Opening
Bolts
Attach
Door Here
Built-in
Header Plate
Three 2x6's - Vertical Stiffener
Endwall Sheeting Above the Bifold Doorframe &hinges.
Bolts
Clear Opening
- Clear Opening - Between Columns
- Distance To Keep The Building Sheeting Back
Put door header bolts through the vertical stiffeners
2 x 6's to tie back to next rafter
Triple - Vertical stiffeners - 2x6's by
each hinge location
Additional header plate or blocking
- For bifold only
Side Columns must be full length
On larger doors, double the side
columns and go deeper
Double rafters
back-to-back
Header built into the endwall
Columns must be
full length
Bolt rafter to
the columns
This bottom chord must
not bow outward
Go beyond frost level
Outward Pull
Inward Push
2 x 6 Vertical
Need a backer plate to apply building sheeting to
Header bolt
Vertical stiffeners - 2 x 6's by each hinge location
Tie back brace
2 x 6 Vertical
X-BRACING
Ceiling
2x6 Vertical
Need a backer plate to apply building sheeting to
Header bolt
Vertical stiffeners - 2 x 6's by each hinge location
Tie back brace
2 x 6 Vertical
X-BRACING
Ceiling
Double Endwall Rafter
Bolted Connection
2 x 6 tying the rafters together
2 x 4's between rafters
End Door Columns X-Braced back to next rafter
2 x 6 Vertical Stiffner by each hinge location
(A1) FACE MOUNT
Door mounted on the exterior walls of building
Building side column
Sheeting is offset
Outside of building
Bifold doors overlay the side columns on the face of the building.
(A2) RECESSED MOUNT
Door mounted with the exterior walls of building
Building side column
Sheeting is on the same plane
Outside of building
(B1) FACE MOUNT
Door mounted on the exterior walls of building
Building side column
Sheeting is offset
Outside of building
(B2) RECESSED MOUNT
Door mounted with the exterior walls of building
Building side column
Sheeting is on the same plane
Outside of building
Additional header plate (Filler Block)
Bolt hinge thru the vertical stiffener
Detail:
Bolt through door header
Vertical stiffeners
(3) 2 x 6's by each hinge location
Mount bifold doors above the clear opening
Side Columns must be full length (On larger doors double the side columns) - and go deeper
How to strengthen your end wall rafters
Bolt rafter to the door side column
It is better to have the column be too large rather than too small. If the door column is too small you will end up putting band-aids on to get the proper strength.
Up to 16'
17' & Up
Up to 16'
17' & Up
Up to 16'
17' & Up
Up to 16'
17' & Up
Bolt truss to the building columns
Deep Side Columns
Deep Side Columns
Double Rafter
Bolt thru the side columns and double endwall truss
Double Endwall Truss
- Bolt Door side columns to the truss
- Building side columns must be full length
Bolts
Attach
Door Here
Built-in Header Plate
Tree 2x6's - Vertical Stiffener
Endwall sheeting above the bifold doorframe & hinges.
Bolts
Clear Opening
- Clear opening - between columns
- Distance to keep the building sheeting back
"One-Piece"
HYDRAULIC DOORS
Provides Extra Shade
Lose No Headroom
Lift-Strap
BIFOLD DOORS
Saves Parking Space Outside
LOSE NO HEADROOM
BIFOLD DOORS
ATTACH ABOVE
THE CLEAR OPENING
(NOT UNDER THE HEADER)
BOTH DOORS HAVE THE SAME CLEAR OPENING
ON THE SAME BUILDING ABOVE
NO NEED TO MAKE THE BUILDING TALLER
• Hydraulic doors ( red arc ) swing out when opening..............................requires a stay back area
• Bifold doors ( blue arc ) lift up when opening...........................................Parking not an issue
BI-FOLD DOORS
Fold in half when open putting less stress on the building and create a slight slope allowing water to run off.
HYDRAULIC DOORS
Protrude straight out off the building at 90 degrees and lays flat when fully open
Door Open 8'
18' Clear Opening