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    • Alumistair 5 Step Aluminum Stairs
    • Alumistair 5 Step Aluminum Stairs
    • Alumistair 5 Step Aluminum Stairs

    Alumistair 5 Step Aluminum Stairs

    Type: Dock Steps
    Regular Price $1,662.70

    Request Shipping Quote: 1.813.677.4000

    Item # AS5
    • 5 Step Aluminum Stairway
    • Constructed from corrosion-resistant aluminum
    • Standard step width: 29¼" / Optional wide: 34"
    • Overall width: 34½" / Optional wide: 36"
    • Lightweight design — easy for two people to handle
    • Includes top-side mounting stair bracket
    • Ships LTL Freight

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    Description
    The AS-5 aluminum stairs provide a solid solution for dock-to-water, seawall-to-shore, deck-to-deck, or deck-to-waterfront access. Constructed from corrosion-resistant aluminum, these stairs are lightweight, durable, and require only two people to carry and install. Alumistair Aluminum Stairway provides a lightweight and strong stairway solution for docks, seawalls, and transitions from deck to deck or deck to waterfront. Constructed from corrosion-resistant marine grade aluminum, these stairs will add value and provide access and enjoyment for many years to come. Standard step width is 29¼" with overall width 34½"; optional wide step has 34" tread width and 36" overall width. Features include: 1-1/4" OD round tube handrails with mid-rail for added safety, non-skid stair tread depth of 7", stair riser height of 8½", standard climb angle 45° (35–55° optional), and includes stair bracket for top-side mounting.
    Additional Info
    Item #: AS4
    Material: Marine Grade Aluminum
    Step Width: 29¼" standard / 34" wide
    Overall Width: 34½" standard / 36" wide
    Riser Height: 8½"
    Tread Depth: 7"
    Handrails: 1-1/4" OD round tube with mid-rail
    Shipping: LTL Freight
    Lead Time: 2–4 weeks (built to order)
    Shipping & Returns

    Most in-stock items ship within 1 business day from our Florida warehouse. Transit times vary by location — refer to our Shipping & Returns page for details.

    We accept returns within 30 days of purchase. Items must be unused and in original condition. Please contact sales@dockbuilders.com for return authorization or assistance.

    Why Choose Dockbuilders?

    With nearly 30 years of experience, Dock Builders Supply delivers dependable marine construction materials for projects of all sizes. Our products are selected with precision for durability, performance, and real-world dock applications.

    Backed by a knowledgeable team and supported with detailed estimates and drawings, we help you plan with clarity and build with confidence — from residential docks to large-scale marina installations.

    How It Works

    • Plan & Design

      Share your dock goals, and we’ll create a custom layout and materials list.

    • Select Components

      Choose durable, marine-grade parts tailored to your design.

    • Ship & Build

      We ship your supplies with secure, efficient delivery.