{"product_id":"18-gauge-galvanized-steel-standard-flush-doors-1800-series","title":"DKS 18-Gauge Galvanized Steel Standard Flush Doors – 1800 Series","description":"\u003ch2\u003eDKS 1800 Series 18-Gauge Galvanized Steel Standard Flush Doors\u003c\/h2\u003e\n\u003cp\u003eOur 1800 Series standard flush doors combine 18-gauge galvanized steel with a full-body polystyrene core and a clean, seamless edge appearance. The non-handed design, reversible hinge reinforcement, and prepared hardware locations help you coordinate commercial openings, while our factory-applied grey epoxy primer provides a uniform starting finish.\u003c\/p\u003e\n\u003ch3\u003ePractical Uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial interiors:\u003c\/strong\u003e Choose our flush door design for offices, corridors, and other openings where a plain steel door appearance is preferred.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement projects:\u003c\/strong\u003e Coordinate the door size, hinge locations, and lock preparation with the existing frame and approved hardware schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated openings:\u003c\/strong\u003e Coordinate the required fire, smoke, or windstorm configuration with the appropriate labels, frame, hardware, and installation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEveryday example:\u003c\/strong\u003e For an office corridor renovation, confirm the opening dimensions and existing hinge locations, then choose the matching lock preparation so your new 1800 Series door fits the frame and works with the planned hinges, latch, and closer.\u003c\/p\u003e\n\u003ch3\u003eFit and Preparation\u003c\/h3\u003e\n\u003cp\u003eOur 1800 Series product guide covers multiple sizes and preparation combinations. Confirm your exact size, hardware locations, preparation, and availability with us before ordering; the guide describes the series and does not mean every configuration is included in this listing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize coordination:\u003c\/strong\u003e Verify door dimensions, frame opening, finished floor, threshold, and undercut before selecting a configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanding:\u003c\/strong\u003e Our non-handed design uses reversible hinge reinforcement. Coordinate the final swing and hardware arrangement with the opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eC:\u003c\/strong\u003e Cylindrical lock preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMB:\u003c\/strong\u003e Mortise blank preparation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBR:\u003c\/strong\u003e Blank reinforced preparation for compatible surface-mounted hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther preparations:\u003c\/strong\u003e Our guide includes cylindrical\/deadlock configurations with different center-to-center dimensions. Verify the exact preparation against your hardware template.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware locations:\u003c\/strong\u003e Match the selected hinge and lock locations to the frame. Our guide includes alternate location patterns, including S-prefix Steelcraft-location 8-foot doors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous hinges:\u003c\/strong\u003e Prepared for continuous hinge application; confirm the hinge template and fasteners for your configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot sure which swing you need?\u003c\/strong\u003e \u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/documentations\/handing-chart.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eView our door and frame handing diagram (PDF)\u003c\/a\u003e before coordinating the frame and hardware.\u003c\/p\u003e\n\u003ch3\u003eHinge Locations by Door Size\u003c\/h3\u003e\n\u003cp\u003eOur Door Hinge Cross Reference Chart gives the following dimensions for the standard DKS location pattern. Dimensions are in inches, referenced from the top of the door as illustrated in our chart. A, B, C, and D identify successive hinge locations. Use the drawing's measurement points and verify the selected location pattern before comparing an existing door or frame.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3068:\u003c\/strong\u003e A = 7-3\/8 inches; B = 37-5\/16 inches; C = 67-1\/4 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3070:\u003c\/strong\u003e A = 7-3\/8 inches; B = 39-5\/16 inches; C = 71-1\/4 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3080:\u003c\/strong\u003e A = 7-3\/8 inches; B = 32-11\/16 inches; C = 58 inches; D = 83-5\/16 inches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/documentations\/dksdoorhingecrossreferencechart0250128.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eView our hardware-location reference drawing (PDF)\u003c\/a\u003e. Alternate location patterns use different dimensions. Coordinate lock locations with the selected preparation and approved hardware template; do not substitute hinge measurements for lock centerlines.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guidance\u003c\/h3\u003e\n\u003cp\u003eInstall our doors only in a frame that is plumb, level, square, securely anchored, and correctly sized. Support the door while hanging it, use the specified hinge fasteners, and check for a free swing and proper latch engagement before adjusting the closer. Protect the door from moisture and jobsite damage, and keep labels visible. For labeled openings, verify the supplied door label and compatible frame and hardware, and follow our installation instructions before making field modifications.\u003c\/p\u003e\n\u003ch3\u003eProblems It Helps Address\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible edge seams:\u003c\/strong\u003e Seamless filled edges and continuous laser welding on both edges provide a clean edge appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware mounting needs:\u003c\/strong\u003e Dedicated hinge and closer reinforcements provide prepared mounting locations for compatible hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpening coordination:\u003c\/strong\u003e Our non-handed design and multiple preparation families let you match the intended opening when the correct configuration is ordered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore requirements:\u003c\/strong\u003e A full-body polystyrene core provides the specified construction for projects calling for this core type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e DKS 1800 Series standard flush hollow metal door.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFace material:\u003c\/strong\u003e 18-gauge galvanized steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e Full-body polystyrene.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdges:\u003c\/strong\u003e Seamless filled edges with edge\/corner seam construction; continuous laser welding on both edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanding:\u003c\/strong\u003e Non-handed design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCloser reinforcement:\u003c\/strong\u003e 12-gauge steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHinge reinforcement:\u003c\/strong\u003e 7-gauge, reversible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop cap:\u003c\/strong\u003e 16-gauge galvanized flush top cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom cap:\u003c\/strong\u003e 16-gauge galvanized inverted bottom cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard preparation families:\u003c\/strong\u003e 161, Fed 86 edge, and panic bar reinforcement, subject to the selected configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous hinge preparation:\u003c\/strong\u003e Prepared for continuous hinge application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire and smoke listing:\u003c\/strong\u003e Our series specifications include WHI\/ITS ratings up to 3 hours, positive pressure, and “S” smoke. Verify the rating and label supplied for your exact opening configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e Meets or exceeds ANSI 250.4 and ANSI 250.8.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindstorm approvals:\u003c\/strong\u003e Hurricane tested with Florida approval FL-41130 and Texas approval DR-472. Confirm that your exact door, frame, hardware, and installation configuration is covered by the applicable approval.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Finish\u003c\/h3\u003e\n\u003cp\u003eOur factory-applied finish is baked-on grey two-part epoxy primer. Coordinate any finish painting with our painting instructions and your project requirements.\u003c\/p\u003e\n\u003ch3\u003eManufacturer Documents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/doors-standard-1800.php\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur 1800 Series product information\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/doors\/091800series18gaugestandarddoors20260303.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur 1800 Series specification sheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/doors\/1800seriesproductguide_09.25.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur 1800 Series product number and preparation guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/doors\/1800seriesconstruction_20260304.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur 1800 Series construction drawing (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/documentations\/dksdoorhingecrossreferencechart0250128.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur door hinge cross reference chart (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/documentations\/handing-chart.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur door and frame handing diagram (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dksdoors.com\/pdf\/documentations\/dks_expanded_steel_door_installation_instructions.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003eOur steel door installation instructions (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipping Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ This product ships via LTL (Less Than Truckload) freight due to its size and weight.\u003c\/strong\u003e Shipping costs are not calculated at checkout. After placing your order, a member of our team will contact you with a freight quote for your approval before shipment. For shipping inquiries prior to ordering, please \u003ca href=\"\/pages\/contact\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"color: #0000EE; text-decoration: underline;\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e","brand":"DKS Steel Door \u0026 Frame Systems","offers":[{"title":"2068 \/ C - Cylindrical Lock","offer_id":68223083708720,"sku":null,"price":532.5,"currency_code":"USD","in_stock":true},{"title":"2068 \/ MB - Mortise Blank","offer_id":68223123161392,"sku":null,"price":532.5,"currency_code":"USD","in_stock":true},{"title":"2068 \/ BR - Blank Reinforced","offer_id":68223123259696,"sku":null,"price":532.5,"currency_code":"USD","in_stock":true},{"title":"2070 \/ C - Cylindrical Lock","offer_id":68223123292464,"sku":null,"price":558.0,"currency_code":"USD","in_stock":true},{"title":"2070 \/ MB - Mortise Blank","offer_id":68223123325232,"sku":null,"price":558.0,"currency_code":"USD","in_stock":true},{"title":"2070 \/ BR - Blank Reinforced","offer_id":68223123423536,"sku":null,"price":558.0,"currency_code":"USD","in_stock":true},{"title":"2080 \/ C - 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