Indoor Steel Spiral StairsOur Most Popular Stair OptionSteel Spiral Staircase OptionsThe Benefits of a Modern Spiral StaircaseSalter’s premier staircase, the Classic Steel, is our most versatile and popular product line. This steel spiral staircase comes in a standard primed black finish that’s ready to paint a custom color. However, many choose to leave the surface black for a modern and sleek look. Add to that our proprietary Continuous Sleeve build and your stair has a customized look with a clean silhouette.The versatility of a steel spiral staircase allows it to look right at home in a variety of settings from urban and industrial themed homes to traditional and classic homes. More than look right at home, this steel stair also acts as a great centerpiece that’s showroom worthy, so a space’s theme can even be built around this great stair.To create this air of class that makes a steel stair go from modern to traditional, some select to customize the stair with wood accents for the handrail and tread covers. With over a dozen wood species available, it’s easy to create a unique look for your steel stairs. Pair that with multiple tread styles and baluster types, and it’s a simple matter to create a steel stair with a look that’s wholly your own.Indoor Steel Spiral Staircase Design FactorsMore than versatility, our steel spiral staircase also offers a customizable look at an economic price point. This stair gives you the ability to achieve an aesthetic that’s either modern and urban or classic and traditional without having to deal with a radically different cost for a spiral stair one way or the other.GET A FREE DESIGN CONSULTATION!OR CALL (855) 993-1740Contemporary DesignComplement your contemporary design with the industrial feel of our most popular spiral stair. This black Classic Steel Spiral Stair comes with diamond plate treads and an aluminum handrail.Traditional EleganceMatch your traditional home decor with options such as solid wood tread covers and handrails. Choose from oak, maple, hickory, yellow pine, American cherry, Brazilian cherry, mahogany and cedar. Other options available.Custom Color OptionsMake your steel stair the most beautiful focal point of your designed interior space. Salter’s Classic Steel Spiral Stair can be finished with an endless possibility of custom color options including this red powder coated finish.Design Your Classic Steel Spiral StairWe Offer a Wide Range of Styles and Options to Create Your Custom Stair SolutionCall us to speak with an expert stair designer for help choosing the right spiral staircase options and other important decisions like location, measurements, rotation, design, safety, and building code considerations.TreadsRailingsAccessoriesFinishesTreadsRailingsAccessoriesFinishesSteel Tread StylesSalter’s Classic Steel line offers a broad spectrum of styles, straight and curved lines, to suit any taste and safety features, such as diamond plate, to suit any need.StandardSteel tread with closed end.Curved UpSteel tread with curved line and closed end.Long CurvedSteel tread with elongated curve and closed end.Ivy StencilClosed-end tread with punched out floral pattern. Wood covers optional.Code RiserClosed-end treads with code risers. Wood covers optional.Fan Cut GratedFan cut allows for “pass-through” of precipitation.Hand Weld GratedGrated steel tread with closed end allows precipitation to pass through.Heavy GaugeIndustrial steel tread with rounded closed end.Steel Tread CoveringsSalter’s Classic Steel line offers a broad spectrum of styles, straight and curved lines, to suit any taste and safety features, such as diamond plate, to suit any need. View over ten wood species options here.Diamond PatternDiamond steel tread provides a non-skid surface.Solid WoodWood tread covers are nosed and sanded to a fine finish. Available in all carried species.FlakeboardCarpet-ready flakeboard tread in 3/4″ thickness.Heavy Gauge Diamond PatternIndustrial 3/16″ steel tread with non-skid surface.Steel Tread SleevesSalter’s Classic Steel line offers a broad spectrum of styles, straight and curved lines, to suit any taste and safety features, such as diamond plate, to suit any need.Standard sleevesSliding sleeves designed to fit a wide range of floor-to-floor heights.Continuous SleevesCustom cut to your riser height for a smooth center column appearance.Salter Spiral’s treads have cleaner lines thanks to our closed-end design that hides hardware and welds. These closed ends also increase the strength of the stair thanks to a larger surface for baluster-to-tread connection. Each stair line also offers code compliant risers to make it easy to meet local building code requirements.Hand RailsYour steel stair can be equipped with outdoor appropriate wooden handrails if desired.Standard Black Vinyl1 1/2″ O.D. with end caps.Aluminum1 1/2″ O.D. with dome end caps Natural finish or painted to match stair.Solid Polished Brass1 1/2″ O.D. with dome end caps.Solid WoodManufactured to specifications. All carried species available.Standard Shape2″ tall.Standard Shape3″ tall.Bead and Finger Groove3″ tall.BalustersEach selection from our wide array of baluster styles is constructed using a durable thick tubing.Standard TipAdjustable formed tip for smooth transition to handrail.Custom TipBalusters are mitered to specific stair angle.Classic SteelClassic Steel Baluster 1˝ round, heavy wall tubing.Cage SteelCage Steel Baluster 1˝ round, heavy wall tubing.Single RingSingle Ring Steel Baluster 1˝ round, heavy wall tubing.Double RingDouble Ring Steel Baluster 1˝ round, heavy wall tubing.Scroll SteelScroll Steel Baluster 1˝ round, heavy wall tubing.Platform and Well EnclosuresSalter provides the option of both circular and square well enclosures to suit your personal preference. Each style is custom cut to your project’s length.Square PlatformAllows stair to be mounted a small distance from face of your second floor.60° Angle PlatformCompletes the rotation of a stair when exiting onto an upper floor.90° Pie Wedge PlatformCompletes the rotation of a stair when exiting onto an upper floor.Salter’s steel balusters are made using 1” heavy wall tubing. These heavy balusters provide premium support for your treads and your stair’s overall structure.Flat CapOur standard cap selection makes it easy to give your spiral stair a finished look with a little decorative accent.Standard VinylStandard vinyl column cap.Seamless WeldedSeamless welded steel top.Flat WoodFlat wood column cap.Ball CapTake your decorative accent one step further with our selection of simple ball ornaments.WoodWood Ball column cap.BrassBrass Ball column cap.Brass and WoodBrass Ball and wood column cap.DecorativeIf you really want to give your spiral some intricate appeal, our cast iron, luxury car hood ornament style caps are the perfect choice.Small PineappleSmall Cast Iron Pineapple column cap.Large PineappleLarge Cast Iron Pineapple column cap.BaseCover any bare hardware in your column to ground connection with our base plate option.Solid WoodSolid Wood center column base plate cover.You can also accent the bottom of your center column by applying one of our base plate covers, one of Salter’s many ways to give your stair a completed touch from top to bottom.PaintEach of Salter’s Classic Steel stairs come primed and ready to paint. This makes it easy for you to customize the stair to whatever color you like. View our finish options.BlackBlack finish is available as a standard option on all Classic Steel stairs.WhiteYour Classic Steel stair can come finished in standard white.Powder CoatOur oven-baked powder-coating is offered in any color you can think of.Our finish options can be done in any custom color you desire. Our popular options among customers include a handsome bronze and a sharp steel gray pearlescent.Experience Unmatched Quality & ServiceConsultative ProcessAs part of our design process, you have access to our spiral stair experts through a FREE consultation to ensure we design the perfect stair solution for you.LEARN MOREShips Straight to YouAll spiral staircases are packaged into a kit for the easiest and most cost-effective transport through the best local carriers, and delivered anywhere in North America.LEARN MOREEasy InstallationSpiral staircase kits can be built in under a day by two average homeowners and require no special tools. For added support, our team is here to help.LEARN MOREPeace-of-Mind WarrantyYou can be confident in your purchase for years to come with our lifetime warranty on metal fabrication and 5-year warranty on all other materials.LEARN MOREFree Consultation & PricingYou’ll get quick and accurate pricing plus our expert designers can design the perfect stair solution based on your requirements and budget.Call for your free consultation and pricing.Get quick and accurate pricing. Plus, our expert designers can design the perfect stair solution based on your requirements and budget.Call for your free consultation.(855) 585-1327Or fill out this form to receive our detailed product brochure and to schedule your free consultation.Name* First Name Last Name Email* Phone* We value your privacy. Information collected will never be sold, shared, or rented to others.