# Resource Center ## Home - [Help Center](https://resources.viewrail.com/readme.md) ## Installation - [Installation Hub Overview](https://resources.viewrail.com/install/installation-hub-overview.md): Start here to find installation guides, reference pages, and forms for each product family. - [LED System Reference](https://resources.viewrail.com/install/led-system-reference.md): Learn about Viewrail's LED Systems - [Angle Wall Measurement Form](https://resources.viewrail.com/install/forms/angle-wall-measurement-form.md) - [Rise & Run Measurement Form](https://resources.viewrail.com/install/forms/rise-and-run-measurement-form.md) - [FLIGHT Spiral Measurement Form](https://resources.viewrail.com/install/forms/flight-spiral-measurement-form.md): All Measurements are in Inches (IN) - [Custom Gate Measurement Form](https://resources.viewrail.com/install/forms/custom-gate-measurement-form.md) - [3D Scan: Finishes Sheet](https://resources.viewrail.com/install/forms/3d-scan-finishes-sheet.md) - [Glass Measure Location Guide](https://resources.viewrail.com/install/forms/glass-measure-location-guide.md) - [Structural Analysis Form: Concrete Header](https://resources.viewrail.com/install/forms/structural-analysis-form-concrete-header.md): Download this page as a pdf and fill out to send back to our team. - [Straight Hockey Stick Stringer Installation Guide](https://resources.viewrail.com/install/flight-mono/straight-hockey-stick-stringer-installation-guide.md) - [Steel First Install](https://resources.viewrail.com/install/flight-mono/steel-first-install.md): FLIGHT Mono Steel First Install - [Steel Frame Install](https://resources.viewrail.com/install/flight-stack/steel-frame-install.md): This is an install guide for the cantilever frame of the staircase. - [Stack Stair & Tread Install](https://resources.viewrail.com/install/flight-stack/stack-stair-and-tread-install.md): This is an install guide for the cantilever frame of the staircase. - [Steel First Install](https://resources.viewrail.com/install/flight-cantilever/steel-first-install.md) - [Bolt-Together Spiral Staircase Installation Guide](https://resources.viewrail.com/install/flight-spiral/bolt-together-spiral-staircase-installation-guide.md) - [Level Surface Mount Post Install](https://resources.viewrail.com/install/express-cable-railing/level-surface-mount-post-install.md): Express level surface mount post installation guide - [Angle Surface Mount Post Install](https://resources.viewrail.com/install/express-cable-railing/angle-surface-mount-post-install.md): Express Angle Surface Mount Post Installation Guide - [Level Side Mount Post Install](https://resources.viewrail.com/install/express-cable-railing/level-side-mount-post-install.md): Express Side Mount Post for level runs Installation Guide - [Angle Side Mount Post Install](https://resources.viewrail.com/install/express-cable-railing/angle-side-mount-post-install.md): Express Side Mount Post for Angle runs Installation Guide - [Handrail Installation](https://resources.viewrail.com/install/express-cable-railing/handrail-installation.md) - [Level Handrail](https://resources.viewrail.com/install/express-cable-railing/handrail-installation/level-handrail.md): Metal toprail installation for express cable railing posts - [Angle Handrail](https://resources.viewrail.com/install/express-cable-railing/handrail-installation/angle-handrail.md): metal angle handrail installation for express railing post - [Express Tension Kit Installation](https://resources.viewrail.com/install/express-cable-railing/express-tension-kit-installation.md): Choose the install page that matches your run and find the related Express cable products. - [Angle Kit to Angle Kit](https://resources.viewrail.com/install/express-cable-railing/express-tension-kit-installation/angle-kit-to-angle-kit.md): Express tension kit installation for angle runs of cable railing - [DriveTite Kit Installation](https://resources.viewrail.com/install/express-cable-railing/express-tension-kit-installation/drivetite-kit-installation.md): Express DriveTite tension kit installation for cable railing into wood posts. - [Level Kit to Level Kit](https://resources.viewrail.com/install/express-cable-railing/express-tension-kit-installation/level-kit-to-level-kit.md): Express tension kit installation for level runs of cable railing - [Inside Post Mount to Level](https://resources.viewrail.com/install/express-cable-railing/express-tension-kit-installation/inside-post-mount-to-level.md): Express tension kit installation for runs of cable railing to an inside post. - [Post Order of Installation](https://resources.viewrail.com/install/signature-cable-railing/post-order-of-installation.md): This is a page dedicated to helping users install Signature cable railing posts in the correct order. - [Level Railing Post Installation](https://resources.viewrail.com/install/signature-cable-railing/level-railing-post-installation.md) - [Angle Railing Post Installation](https://resources.viewrail.com/install/signature-cable-railing/angle-railing-post-installation.md) - [Sidemount Railing Post Installation](https://resources.viewrail.com/install/signature-cable-railing/sidemount-railing-post-installation.md) - [Tension Kit Installs](https://resources.viewrail.com/install/signature-cable-railing/tension-kit-installs.md) - [Level to Level](https://resources.viewrail.com/install/signature-cable-railing/tension-kit-installs/level-to-level.md) - [Inside Post Mount to Level](https://resources.viewrail.com/install/signature-cable-railing/tension-kit-installs/inside-post-mount-to-level.md) - [Angle to Angle](https://resources.viewrail.com/install/signature-cable-railing/tension-kit-installs/angle-to-angle.md): Install your tension kit properly from an one angle post to another angle post - [Inside Post Mount to Angle](https://resources.viewrail.com/install/signature-cable-railing/tension-kit-installs/inside-post-mount-to-angle.md) - [Fascia Requirement for Side Mount](https://resources.viewrail.com/install/glass-railing/fascia-requirement-for-side-mount.md): Use these fascia dimensions and overhang limits to select a compatible side-mount system. Each section lists the required measurements for a specific mount style. - [Base Rail Installation](https://resources.viewrail.com/install/glass-railing/base-rail-installation.md) - [Standoff Pins Installation](https://resources.viewrail.com/install/glass-railing/standoff-pins-installation.md) - [Glass Clip Installation](https://resources.viewrail.com/install/glass-railing/glass-clip-installation.md): How to install clips for glass panel railing - [Vedera Installation](https://resources.viewrail.com/install/glass-railing/vedera-installation.md) - [Hidden Side Mount Installation](https://resources.viewrail.com/install/glass-railing/hidden-side-mount-installation.md) - [Ascend Talon Installation](https://resources.viewrail.com/install/glass-railing/ascend-talon-installation.md) - [Standard Talons Installation](https://resources.viewrail.com/install/glass-railing/standard-talons-installation.md) ## Guides - [Welcome to Our Guides](https://resources.viewrail.com/guides/readme.md): Start here to learn, plan, price, install, and maintain modern stairs and railing systems. - [What are Floating Stairs](https://resources.viewrail.com/guides/about-stairs-and-railing/what-are-floating-stairs.md) - [Are Floating Stairs Safe?](https://resources.viewrail.com/guides/about-stairs-and-railing/are-floating-stairs-safe.md) - [Types of Staircases](https://resources.viewrail.com/guides/about-stairs-and-railing/types-of-staircases.md) - [Open Riser vs. Floating Stairs](https://resources.viewrail.com/guides/about-stairs-and-railing/types-of-staircases/open-riser-vs.-floating-stairs.md) - [Prefab Metal Stairs: Welded vs. Mechanical Systems](https://resources.viewrail.com/guides/about-stairs-and-railing/types-of-staircases/prefab-metal-stairs-welded-vs.-mechanical-systems.md): Learn the difference between welded and mechanical prefab metal stairs — how they're built, how they ship, and how to choose the right system for your project. - [What is Cable Railing?](https://resources.viewrail.com/guides/about-stairs-and-railing/what-is-cable-railing.md): Learn what cable railing is, how a cable railing system works, what cable railing costs, and where to use it on decks, stairs, balconies, and other modern spaces. - [What is Glass Railing?](https://resources.viewrail.com/guides/about-stairs-and-railing/what-is-glass-railing.md): Tempered or laminated glass panels create a clear, low-maintenance safety barrier for stairs, decks, and balconies. Learn how it works, what it costs, and which system fits your project. - [Railing System Deep Dives](https://resources.viewrail.com/guides/about-stairs-and-railing/railing-system-deep-dives.md) - [How Viewrail's Hidden Fasteners Work](https://resources.viewrail.com/guides/about-stairs-and-railing/railing-system-deep-dives/how-viewrails-hidden-fasteners-work.md): Learn how Viewrail's hidden fastener kits work — from Level Tension to DriveTite — and how each one keeps cables tensioned cleanly inside the post. - [What Is Powder Coating? Viewrail's Process and Finish Options Explained](https://resources.viewrail.com/guides/about-stairs-and-railing/railing-system-deep-dives/what-is-powder-coating-viewrails-process-and-finish-options-explained.md): Learn how Viewrail powder coats its railing posts and which finish, High Performance or Superior Performance, is right for your project environment. - [Express vs. Signature Cable Railing: Which One Is Right for Your Project?](https://resources.viewrail.com/guides/about-stairs-and-railing/railing-system-deep-dives/express-vs.-signature-cable-railing-which-one-is-right-for-your-project.md): Not sure whether to choose Express or Signature cable railing? Here's how they compare on customization, lead time, coastal use, and more. - [Why 2205 Stainless Steel Is the Gold Standard for Coastal Railing](https://resources.viewrail.com/guides/about-stairs-and-railing/railing-system-deep-dives/why-2205-stainless-steel-is-the-gold-standard-for-coastal-railing.md): 2205 duplex stainless steel outperforms 316 in coastal environments. Learn why Viewrail uses it, how the PREN scale works, and how to keep your railing under warranty. - [How Can I Customize My FLIGHT Staircase?](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase.md) - [Choose Your FLIGHT Style](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-your-flight-style.md): Compare FLIGHT Mono, Cantilever, Stack, and Spiral to find the right floating stair system for your space. - [Choose FLIGHT Wood Species and Finish](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-flight-wood-species-and-finish.md): Compare tread and handrail wood species, then choose the finish that fits your FLIGHT staircase. - [Choose a FLIGHT Metal Finish](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-a-flight-metal-finish.md): Explore powder coat options for FLIGHT stringers, posts, and metal handrails. - [Choose a FLIGHT Glass Railing Style](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-a-flight-glass-railing-style.md): Compare integrated and stair-compatible glass railing options for FLIGHT stairs, landings, and level runs. - [Choose a FLIGHT Cable Railing Style](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-a-flight-cable-railing-style.md): Compare Signature cable railing infill, mounting styles, and related options for FLIGHT stairs and landings. - [Choose a FLIGHT Handrail or Top Cap](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/choose-a-flight-handrail-or-top-cap.md): Compare metal handrails, wood handrails, and glass top caps for FLIGHT cable and glass railing systems. - [FLIGHT Design Upgrades and Add-Ons](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-flight-staircase/flight-design-upgrades-and-add-ons.md): Explore LED lighting, flooring coordination, alternative railing options, and other FLIGHT upgrades. - [How Can I Customize My Glass Railing?](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing.md): Compare glass railing systems, glass panel types, post mounting styles, powder coat finishes, handrails, top caps, and add-ons for stairs, decks, balconies, and landings. - [Choose Your Glass System](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/choose-your-glass-system.md): Compare glass railing systems, including post, spigot, base rail, side-mount, and standoff options for stairs, decks, balconies, and landings. - [Select Your Glass Panels](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/select-your-glass-panels.md): Compare Starphire, Solar Gray, Solar Bronze, and Frosted glass panels for glass railing on stairs, decks, balconies, and landings. - [Choose Mounting Styles for Posts](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/choose-mounting-styles-for-posts.md): Compare glass railing post mounting styles for decks, balconies, stairs, and concrete surfaces. Learn when to use top mount, side mount, core drill, and angled options. - [Choose a Powder Coat](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/choose-a-powder-coat.md): Compare powder coat colors for glass railing posts, metal handrails, and matching accessories. - [Choose a Handrail or Top Cap](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/choose-a-handrail-or-top-cap.md): Compare glass railing handrails and top caps, including metal and wood profiles for interior and exterior glass railing systems. - [Glass Design Upgrades and Add-Ons](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/glass-design-upgrades-and-add-ons.md): Explore glass railing upgrades and add-ons, including LED lighting, gates, and integrated handrail options. - [Request a Quote](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/request-a-quote.md): Learn what to send when you request a glass railing quote, including measurements, photos, plans, and project details. - [Work Through and Approve Final Design](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-glass-railing/work-through-and-approve-final-design.md): Review layout, engineering, and finish details before approving your final glass railing design for fabrication. - [How Can I Customize My Cable Railing?](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing.md): Compare cable railing systems, infill options, post mounting styles, powder coat finishes, handrails, and add-ons for decks, stairs, balconies, and landings. - [Choose Your Cable System](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-your-cable-system.md): Compare Express and Signature cable railing for lead time, customization, coastal use, and installation path. - [Customize Your Express Cable Railing](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-your-cable-system/customize-your-express-cable-railing.md): Review Express cable railing colors, post types, mounting styles, handrails, cable, hardware, and upgrade limits before you order. - [Choose Your Signature Infill](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-your-signature-infill.md): Compare stainless cable, stainless rod, and Onyx Rod for appearance, maintenance, coastal use, and curved runs. - [Choose Signature Mounting Styles for Posts](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-signature-mounting-styles-for-posts.md): Compare cable railing post mounting styles for decks, balconies, stairs, and concrete surfaces. - [Choose a Signature Powder Coat](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-a-signature-powder-coat.md): Compare powder coat colors for cable railing posts, metal handrails, and matching accessories. - [Choose a Signature Handrail](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/choose-a-signature-handrail.md): Compare cable railing handrails, including metal and wood profiles for interior and exterior projects. - [Signature Cable Design Upgrades and Add-Ons](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/signature-cable-design-upgrades-and-add-ons.md): Explore cable railing upgrades and add-ons, including LED lighting, gates, and secondary handrails. - [Request a Signature Cable Quote](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/request-a-signature-cable-quote.md): Learn what to send when you request a cable railing quote, including measurements, photos, plans, and project details. - [Work Through and Approve Your Signature Cable Design](https://resources.viewrail.com/guides/planning/how-can-i-customize-my-cable-railing/work-through-and-approve-your-signature-cable-design.md): Review layout, engineering, and finish details before approving your final cable railing design for fabrication. - [Choose the Right Railing for Your Project](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project.md): Compare railing types, post materials, mounting styles, and handrail options to narrow the right fit for stairs, decks, balconies, and interiors. - [What Railing Should I Choose for My Stairs?](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/what-railing-should-i-choose-for-my-stairs.md): Compare stair railing options including cable railing, rod railing, and glass railing. Learn which stair railing system fits interior stairs, floating stairs, and outdoor stair projects. - [Cable Railing vs. Rod Railing: Which One Is Right for Your Project?](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/cable-railing-vs.-rod-railing-which-one-is-right-for-your-project.md): Cable and rod railing both offer sleek stainless steel style, but they differ in installation time, corrosion resistance, and curved applications. Here's how to choose. - [Wood vs Metal Railing Posts: Which Is Better for Cable Railing?](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/wood-vs-metal-railing-posts-which-is-better-for-cable-railing.md): Compare wood vs metal railing posts for cable railing. Learn the differences in cost, durability, maintenance, style, and installation for decks, stairs, and exterior projects. - [Cable Railing Post Mounting Styles Compared](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/cable-railing-post-mounting-styles-compared.md): Compare cable railing post mounting styles for decks, stairs, balconies, and concrete surfaces. Learn when to use surface mount, side mount, core drill, tread mount, and more. - [Handrail Options for Stairs, Decks, and Interiors](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/handrail-options-for-stairs-decks-and-interiors.md): Compare stainless steel, aluminum, and wood handrail options, profiles, and code requirements. - [Compare Handrail Profiles](https://resources.viewrail.com/guides/planning/choose-the-right-railing-for-your-project/compare-handrail-profiles.md) - [How much do FLIGHT Floating Stairs Cost?](https://resources.viewrail.com/guides/pricing/how-much-do-flight-floating-stairs-cost.md): Compare FLIGHT floating stair pricing by style, shape, and finish level. See typical cost ranges for Mono, Cantilever, Stack, and Spiral systems, plus what a complete quote includes. - [How much does Viewrail Cable Railing Cost?](https://resources.viewrail.com/guides/pricing/how-much-does-viewrail-cable-railing-cost.md): Compare Viewrail cable railing pricing by system, post material, infill, and mounting style. See typical cost ranges for Express and Signature, plus what changes total project cost. - [How to Avoid Hidden Costs with Glass Railing](https://resources.viewrail.com/guides/pricing/how-to-avoid-hidden-costs-with-glass-railing.md): Avoid surprise charges on glass railing. Learn which hidden costs to watch for, what a complete quote should include, and how to compare suppliers fairly. - [How Much Does Glass Railing Cost?](https://resources.viewrail.com/guides/pricing/how-much-does-glass-railing-cost.md): Compare glass railing pricing by system, glass type, and mounting style. See typical per-foot ranges, sample project costs, and what changes the total price. - [How Do I Install a FLIGHT System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-flight-system.md): Compare FLIGHT install paths for Mono, Cantilever, and Stack. See which systems are DIY-friendly, which require certified installers, and where to start. - [How Do I Install a FLIGHT Mono System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-flight-system/how-do-i-install-a-flight-mono-system.md): Install a FLIGHT Mono floating stair system with the right prep, tools, and sequence for a smooth straight-run install. - [How do I Install a FLIGHT Cantilever System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-flight-system/how-do-i-install-a-flight-cantilever-system.md): Learn how a FLIGHT Cantilever stair installs, from wall prep and bracket placement to tread assembly and glass railing. - [How Do I Install a FLIGHT Stack System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-flight-system/how-do-i-install-a-flight-stack-system.md): Learn the install sequence for FLIGHT Stack, from steel frame setup and tread pan alignment to wood tread assembly, LEDs, and Vedera glass. - [How do I Install a Cable or Rod Railing System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-cable-or-rod-railing-system.md): Learn how to install cable or rod railing, from code basics and post spacing to infill tensioning. Compare Express, Signature, and DriveTite options. - [How Do I Install Cable Railing?](https://resources.viewrail.com/guides/install/how-do-i-install-a-cable-or-rod-railing-system/how-do-i-install-cable-railing.md): Install cable railing with the right tools, code basics, post layout, handrail setup, and cable tensioning steps. - [How Do I Install Rod Railing?](https://resources.viewrail.com/guides/install/how-do-i-install-a-cable-or-rod-railing-system/how-do-i-install-rod-railing.md): Install rod railing with the right tools, code basics, post layout, handrail setup, rod cutting, and tensioning. - [How Do I Install DriveTite Cable Railing?](https://resources.viewrail.com/guides/install/how-do-i-install-a-cable-or-rod-railing-system/how-do-i-install-drivetite-cable-railing.md): Learn how to plan and install DriveTite cable railing on wood posts. Covers kit counts, cable sizing, and the full level run installation process. - [How Do I Install a Glass Railing System?](https://resources.viewrail.com/guides/install/how-do-i-install-a-glass-railing-system.md): Learn how to install glass railing, from measuring and engineering to hardware placement, glass setting, and final cleanup. - [Is DIY Cable Railing Installation Worth It?](https://resources.viewrail.com/guides/install/is-diy-cable-railing-installation-worth-it.md): Learn how to install cable railing yourself with Viewrail's DIY systems. We break down the steps, code basics, and which kit is right for your project. - [How Do I Maintain Glass Railing?](https://resources.viewrail.com/guides/maintenance/how-do-i-maintain-glass-railing.md): Learn how to clean and maintain glass railing, care for hydrophobic coatings, and understand the safety, glass thickness, and handrail factors that affect long-term performance. - [How Do I Maintain Cable Railing?](https://resources.viewrail.com/guides/maintenance/how-do-i-maintain-cable-railing.md): Keep your cable railing looking great and code-compliant with this simple seasonal maintenance guide, covering cleaning, cable tension, and coastal care tips. ## Code Compliance - [Welcome to Code Compliancy](https://resources.viewrail.com/code-compliance/welcome-to-code-compliancy.md) - [Why Is Code Compliancy Important?](https://resources.viewrail.com/code-compliance/why-is-code-compliancy-important.md) - [IBC vs. IRC Railing Code Requirements](https://resources.viewrail.com/code-compliance/getting-started/ibc-vs.-irc-railing-code-requirements.md): Learn the difference between IBC and IRC railing code, including guardrail height, handrail height, glass railing code, cable railing code, load requirements, and ADA rules. - [When is Handrail Required?](https://resources.viewrail.com/code-compliance/getting-started/when-is-handrail-required.md): Learn when a handrail is required on stairs, ramps, and guard systems under IRC, IBC, and ADA code. - [Maximum and Minimum Handrail Heights](https://resources.viewrail.com/code-compliance/railing-code/maximum-and-minimum-handrail-heights.md): Handrail height code explained for residential and commercial stairs, including IRC, IBC, ADA, and guardrail height differences. - [Handrail Size Requirements](https://resources.viewrail.com/code-compliance/railing-code/handrail-size-requirements.md): Handrail size code explained, including IRC Type I and Type II graspability requirements, circular diameter limits, non-circular perimeter limits, and finger recess rules. - [4" Sphere Rule](https://resources.viewrail.com/code-compliance/railing-code/4-sphere-rule.md): Learn the 4-inch sphere rule for guardrails, baluster spacing, stair guards, cable railing, and open riser stairs under IRC code. - [Handrail Continuity and Termination Requirements](https://resources.viewrail.com/code-compliance/railing-code/handrail-continuity-and-termination-requirements.md): Learn handrail continuity and termination code under IRC R311.7.8.4, including continuous handrail rules, permitted interruptions, and compliant handrail end conditions. - [Guard and Handrail Requirements](https://resources.viewrail.com/code-compliance/railing-code/guard-and-handrail-requirements.md) - [Opening Rules](https://resources.viewrail.com/code-compliance/railing-code/opening-rules.md) - [Strength Requirements](https://resources.viewrail.com/code-compliance/railing-code/strength-requirements.md) - [Post and Cable Spacing](https://resources.viewrail.com/code-compliance/railing-code/post-and-cable-spacing.md) - [Open Riser Code Requirements](https://resources.viewrail.com/code-compliance/stair-code/open-riser-code-requirements.md): Learn open riser stair code requirements, including the 30-inch threshold, 4-inch sphere rule, and IRC riser height limits for floating stairs. - [Winder Staircase Code Requirements](https://resources.viewrail.com/code-compliance/stair-code/winder-staircase-code-requirements.md): Learn winder stair code requirements, including IRC walkline rules, minimum tread depth, and winder tread uniformity. - [Tread Depth and Risers](https://resources.viewrail.com/code-compliance/stair-code/tread-depth-and-risers.md): Learn stair tread depth and riser height code under IRC 2021, including minimum tread depth, maximum riser height, nosing rules, and the 3/8-inch uniformity requirement. --- # Agent Instructions This documentation is published with GitBook. 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