Enlarge/Print Note: Digital colours shown are not accurate for colour selections and are intended for reference ONLY. Species Red Oak $$ Red Oak R&Q Sawn $$$$ Knotty Alder $$ Aspen $ Birch $$$ Clear Cedar $$$$ Cherry $$$ Fir $$ Fir VG $$ Hickory $$ Maple $$$ Paint Grade $ Clear Pine $$ Knotty Pine $ Poplar $ Walnut $$$$ White Oak $$$$ White Oak R&Q Sawn $$$$ White Oak Rift Sawn $$$$ Front Cross Rails None Center rail Z rail Reverse Z rail X rail K no mid rail Reverse K no mid rail K with mid rail Reverse K with mid rail Cross buck Double X rail Front V-Grooves Yes No Back Cross Rails None Center rail Z rail Reverse Z rail X rail K no mid rail Reverse K no mid rail K with mid rail Reverse K with mid rail Cross buck Double X rail Back V-Grooves Yes No Panel Style Flat Panel - Plycore Flat Panel - Solid Laminated Wood V-Groove Sticking Barn doors have Shaker sticking. Width 18" 24" 28" 30" 32" 36" Custom −1" " +1" Must be between 18 and 50". Height 80" 84" 96" Custom −1" " +1" Must be between 80 and 144". 80" is standard. Thickness 1-3/8" 1-3/4" Custom −1/8" " +1/8" Must be between 1 and 2.25". 1-3/8" is standard Top Rail, Stiles, & Cross Rails 4 1/2" 5 1/2" Custom −1/2" " +1/2" Must be between 3.5 and 12". 4 1/2" is standard for a 1-3/8" door. 5 1/2" is standard for a 1-3/4" door. 3-1/2" is the minimum RAIL size we can produce with our Woodland Warranty still active. Variation "Z" RAIL Machining is available for all door hardware, jambs, and much more. Include details in the Notes section of your quote request.