Skip to Product Info
    • Alumistair 7 Step Aluminum Stairs
    • Alumistair 7 Step Aluminum Stairs
    • Alumistair 7 Step Aluminum Stairs

    Alumistair 7 Step Aluminum Stairs

    Type: Dock Steps
    Regular Price $2,034.50

    Request Shipping Quote: 1.813.677.4000

    Item # AS7
    • Alumistair 7 Step Aluminum Stairs
    • Lightweight, corrosion-resistant marine-grade aluminum
    • Standard Climb Angle: 45°
    • Tread Width: 29-1/4" (standard) / 34" (wide)
    • Overall Width: 34-1/2" (standard) / 36" (wide)
    • Riser Height: 8-1/2"
    • Includes top-side mounting stair bracket
    • Package quantity: 1 set
    • Ships LTL / Motor Freight
    Payment & Security

    Your payment is secure. We don’t store or see your card details.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    Description
    Alumistair Aluminum Stairway provides a lightweight and strong stairway solution for docks, seawalls, and transitions from deck to deck or deck to waterfront access. Constructed from corrosion-resistant marine-grade aluminum, these stairs add value and provide safe, durable waterfront access for many years to come. The Alumistair AS7 aluminum stairs provide a solid solution for dock to water, seawall to shore, deck to deck, and deck to waterfront access. 2–4 week lead time (built to order in USA), standard climb angle 45° (35–55° available by request), ships LTL / Motor Freight (LTL Freight Carrier recommended via NetSuite + Pacejet integration), requires 2 people to carry and install. Non-skid tread depth is 7", riser height 8-1/2", handrails are 1-1/4" OD round tube with mid-rail, standard tread width 29-1/4" (wide: 34"), standard overall width 34-1/2" (wide: 36"), includes stair bracket for top-side mounting. Overall dimensions: Rise 59.5", Run 59.5", Length 84", Riser 8-1/2", Overall Width 31-1/4" (standard) / 36" (wide), Inside/Tread Width 29-1/4" (standard) / 34" (wide).
    Additional Info
    Item #:AS7
    Type:Aluminum Stairway
    Material:Marine-Grade Aluminum
    Tread Width:29-1/4" (standard) / 34" (wide)
    Overall Width:34-1/2" (standard) / 36" (wide)
    Riser Height:8-1/2"
    Tread Depth:7"
    Handrail:1-1/4" OD round tube with mid-rail
    Includes:Top-side mounting stair bracket
    Weight:110 lb *
    Length:84" *
    Inside Width:29-1/4" (standard) / 34" (wide) *
    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.