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What Are the Main Components of a Cable Railing System?

A top-of-the-line cable railing system will have all the primary and extra components necessary for a successful DIY installation. Here are the core components of a cable railing system.


Core Components

  • Corner, Line, or End Posts: Attach to your terrace or deck and secure the cables in place, giving your system integrity
  • Handrails: Horizontal fixtures that fit atop your structural posts, making your system safe and building code compliant.
  • Cable runs or a spool of cable
  • Cable tensioners: concealed and hold your cable in place on the posts
  • Mounting screws: Secures your handrail to the top of your mounting posts.

    • Additional Components

  • End caps for handrails: Add an aesthetically pleasing look to each end of your handrails.
  • Post Hole Covers: Protect your posts and give them a sleek and finished look.
  • Post skirts: Add a clean aesthetic/polished look to the bottom of your posts.
  • Spacer Bars: Extends your cable runs so you can use fewer posts, adding extra integrity to your system.
  • Post-leveling plates: protect your mounting surface by keeping your mounting posts plumb.


    • 3 Installation Tips for Your Cable Railing System

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