Slim elegance.  The "Optimum" door is only 1/4" thick for an elegant, contemporary look. 

The "Optimum" is available as either a trackless bi-fold door or a cabinet style twin (full View) door.

The frame is fully welded 1/4" steel 2 1/2" wide.  It comes standard with a removable cabinet style fine mesh inner spark screen for added safety and versatility and a hidden damper to control air flow when the doors are closed.

Model No.    Overall Frame Size     Fits Opening Width     Fits Opening Height     Suggested Retail Price

  OB Optimum Bi-fold   Ot Optimum Twin                                                                     BK, NI,CG,CP         SS

OB or OT3728               37" X 28"                    33" - 36"                26" - 27 1/2"            $ 1025                    $ 1205

OB or OT3730               37" X 30"                    33" - 36"                28" - 29 1/2"            $ 1025                    $ 1205

OB or OT4026              40" X 26"                    36" - 39"                24" - 25 1/2"             $ 1025                    $ 1205

OB or OT4028              40" X 28"                    36" - 39"                26" - 27 1/2"             $ 1025                    $ 1205

OB or OT4030              40" X 30"                    36" - 39"                28" - 29 1/2"             $ 1025                    $ 1205

OB or OT4032              40" X 32"                    36" - 39"                30" - 31 1/2"             $ 1025                    $ 1205

OB or OT4034              40" X 34"                    36" - 39"                32" - 33 1/2"             $ 1025                    $ 1205

OB or OT4328              43" X 28"                    39" - 42"                26" - 27 1/2"             $ 1075                    $ 1255

OB or OT4330              43" X 30"                    39" - 42"                28" - 29 1/2"             $ 1075                    $ 1255 

OB or OT4332              43" X 32"                    39" - 42"                30" - 31 1/2"             $ 1075                    $ 1255

OB or OT4334              43" X 34"                    39" - 42"                32" - 33 1/2"             $ 1075                    $ 1255

OB or OT4629              46" X 29"                    42" - 45"                27" - 28 1/2"             $ 1125                    $ 1305

OB or OT4631              46" X 31"                    42" - 45"                29" - 30 1/2"             $ 1155                    $ 1305 

OB or OT4633              46" X 33"                    42" - 45"                31" - 32 1/2"             $ 1155                    $ 1305

OB or OT4635              46" X 35"                    42" - 45"                33" - 34 1/2"             $ 1155                    $ 1305

OB or OT4930              49" X 30"                    45" - 48"                28" - 29 1/2"             $ 1175                    $ 1355

OB4932                         49" X 32"                    45" - 48"                30" - 31 1/2"             $ 1175                    $ 1355

OB4934                         49" X 34"                    45" - 48"                32" - 33 1/2"             $ 1175                    $ 1355

Prices do not include freight, taxes, or installation charges by dealers 

Frame Finishes:   BK-Black; NI-Natural Iron; CG-Charcoal Gray;  CP-Copper Paint;   SS-Brushed Stainless Steel

Door Finishes:     BK-Black; NI-Natural Iron; CG-Charcoal Gray;  CP-Copper Paint;  PB-Polished Brass;  SS- Brushed Stainless Steel

Custom Sizes Avaiable .   Clear Glass add $200.  No Screens Deduct $150.  Adjust Frame Size of a standard door add $100. .  Hand Hammered Finish in Black, Natural Iron, Charcoal Gray, Copper Paint add $100