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Modular Stairs

Lightweight, durable, and easy to assemble – our modular aluminum stairs are built for use on docks, shorelines, hills, and more. Designed for quick setup and reliable stability, they offer a safe, corrosion-resistant solution allowing you to add or remove sections to fit your exact needs.

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Which Products Are You Interested In?

Check the Options Here That Best Describe Your Waterfront.

Check the Options Here That Best Describe Your Waterfront.

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What Are You Using the Dock For?

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4 Key Features

  • Safety: A comfortable 30-degree angle with slip resistant treads and optional railing
  • Quality: Made in Maine for harsh waterfront conditions
  • Eco Friendly: Perforated treads allow plant growth to continue and limits erosion
  • Modularity: Easily assembled and can be added to in the future
  • Compatibility: Can be mounted to an aluminum dock, a wood dock, concrete wall, or secured to the ground with pipe legs

2 Details

  • Tread Width: 3 feet
  • Rise: 7 inches
  • Run: 12 inches
  • System Angle: 30 degrees
  • Frame Sizes: 2-step, 3-step, and bottom step, truss frames that easily bolt together
  • Railing: Modular rail sections that easily bolt together and securely attach to the stair frame
  • Transition ramps: Easily attached 3’x3′ or 3’x4′ ramps can be added to ease the transition of hill/shore-mounted stair systems
  • Attachment (Walls/ Platforms): For stairs attaching to walls and platforms, bolt through the top-step holes, and for systems with fewer than seven steps, swing-up hinges can be used for easy removal and installation
  • Attachment (Bank): For stairs mounted directly to an embankment, use our shore-mount pipe sockets that accept 1.5″ galvanized steel pipe and feature cup point set screws for height adjustment

1 Materials

  • Frame: Marine-grade aluminum with powder coating option
  • Tread Surface: SunWalk 90 perforated, fiberglass reinforced polypropylene decking
  • Railing: Marine-grade aluminum with powder coating option
  • Bottom Support Legs: 1.5″ diameter, schedule 40 aluminum pipe
  • Mid-Level Support Legs: (For systems 12 steps or more) 1.5″ diameter, schedule 40 galvanized steel pipe
  • Shore-Mount Legs: (For stairs attaching to an embankment) 1.5″ diameter, schedule 40 galvanized steel pipe

3 Product Resources

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See What Our Customers Say

I just wanted to thank you for your help.  I LOVE my dock stairs! I was nervous to order a big ticket item half the country away but your kind attitude and help

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I just wanted to thank you for your help.  I LOVE my dock stairs! I was nervous to order a big ticket item half the country away but your kind attitude and helpful answers gave me a sense of security. I just wanted to thank you for your help.  So, all the way from Minnesota,  I send a shout out: “Yay for Seth! ”Thanks again,

Linda
Minnesota
Linda
Minnesota

I purchased a new dock this season from Great Northern Docks and was extremely happy with the quality and service. From the initial site review, where the team

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I purchased a new dock this season from Great Northern Docks and was extremely happy with the quality and service. From the initial site review, where the team came out and created options on paper, to the prompt delivery, everything went smoothly. When my installers were short some pipe, I called and GND quickly cut a 20’ pipe into two pieces and had it ready to go within the hour for no extra charge. They also gave me a refund for a few extra pieces that I had left over after installation.The dock itself is great looking, well constructed, and very functional for fun summer days on the lake; whether boating or just relaxing on the dock. Thank you GND!

Eric Miller
Maine
Eric Miller
Maine
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