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1-3/4" thick sash


6-9/16" minimum jamb width


LVL locking stiles; stiles and top rails are a nominal

4-5/8" wide; bottom rail is a nominal 7-9/16" high


Frame setup up to 177" wide x 106" tall; all others

knocked down


Constructed of pine with pine interior stops


Energy efficient, insulating LoE


-270 glass

(tempered glass is

standard on folding doors)


Glazed to the interior with beveled wood glazing beads


All exterior wood parts are treated


.050" thick, 6063 extruded aluminum alloy frames are

press fit on to the wood frame exterior of all units


Accessory grooves are integral to the extruded frames

for the easy addition of accessories


Frame corners are mitered or profile cut, with internal

corner and end keys screwed into the joints and

injected with sealant


Sash exterior is covered with .063" thick, 6063

extruded aluminum alloy


70% PVDF fluoropolymer finish on frame and sash


(meets performance requirements of AAMA 2605)


Fully weatherstripped for a tight seal


Bronze weep sill


Grooved guide rollers with adjustable, ball-bearing

wheels carry the folding panels


Single-point or multi-point mortise latch with handle set

in a Bright Brass finish


Face mounted flush bolt locking hardware on folding



Thick oak interior threshold


Heavy vinyl nailing fins with head drip caps*

Folding Door Standard Options

NOTES: All measurements are nominal.

* Standard only on units without brickmould.

Handles for Folding Doors with Concealed Shoot Bolts

Folding panels with concealed shoot bolts are available with handles in two styles, Uno

and Aria. Uno handles are available in Dull (Brushed) Chrome


and Matte Black.

Aria handles are available in Bright Brass, Chrome, Dull (Brushed) Chrome



Matte Black.

Handles for Swinging Doors

Folding doors can have a swinging door for easy access. The swinging door features a

Toronto handle set as standard; other optional handle styles include, München, Dallas

and Verona. Swinging door hardware is available in numerous colors; see page 142 for

handle style photos.

Lock Bolts for Folding Doors

Flush Bolt

As standard, folding doors have

surface-mounted flush bolts

factory-applied. Sizes available

include 7-1/2", 17-23/32", 23-5/8"

or 39".

(shown in Matte Black; also available in

Bright Brass, Chrome and Satin Nickel)

Concealed Shoot Bolt

Additionally, folding doors with

concealed shoot bolts are

available with an Uno or Aria

handle set






140 Kolbe Ultra Series



Breathe in the fresh air, add architectural interest and merge outdoor and indoor space by using folding doors. Choose from

a variety of operating styles: doors that swing out, fold to one side, or split and fold to either side.