Plan & Design
Share your dock goals, and we’ll create a custom layout and materials list.
Request Shipping Quote: 1.813.677.4000
Payment & Security
Your payment is secure. We don’t store or see your card details.
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 will add value and provide access and enjoyment for many years to come. Alumistair 9-Step aluminum marine stairs only take 2 people to carry and install. Durable, non-rotting design eliminates time-consuming maintenance and delivers safe, long-term waterfront access. Standard Step Version: 29-1/4" tread width, 34-1/2" outside width. Wide Step Version (AS9-36): 34" tread width, 36" outside width. Key features include non-skid tread depth of 7", riser height 8-1/2", 1-1/4" OD round tube handrails with mid-rail for added safety, includes top-side mounting stair bracket, standard climb angle 45° (adjustable range 35°–55° available, contact support), ships LTL Freight only, 2–4 week lead time (built-to-order in USA), product weight 135 lb.
Additional Info
Alumistair Aluminum Stairway by DockGear delivers a premium, lightweight, and strong aluminum stair solution for waterfront access. Built from durable, corrosion-resistant marine-grade aluminum, designed for long-term enjoyment and easy installation by 2 people.
| Item #: | AS9 |
| Stair Steps: | 9 |
| Material: | Marine Grade Aluminum |
| Finish: | Corrosion-Resistant Aluminum |
| Tread Depth: | 7" |
| Riser Height: | 8-1/2" |
| Handrail Size: | 1-1/4" OD Round Tube w/ Mid-Rail |
| Mount Type: | Top-side Mounting Bracket Included |
| Ship Method: | LTL Freight Only |
| Lead Time: | 2–4 Weeks (Built to order in USA) |
| UPC: | Not Provided by :contentReference[oaicite:0]{index=0} |
| A (Rise): | 76-1/2" |
| B (Run): | 76-1/2" |
| C (Length): | 108" |
| D (Riser): | 8-1/2" |
| E (Overall Width): | 34-1/2" (Standard) / 36" (Wide) |
| F (Inside/Tread Width): | 29-1/4" (Standard) / 34" (Wide) |
*All dimensions and weights are approximate* | |
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.
Share to:
Request Shipping Quote
Alumistair 9 Step Aluminum Stairs
SKU: AS9
Regular Price
$2,379.00
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
-
-
Select Components
Choose durable, marine-grade parts tailored to your design.
-
Ship & Build
We ship your supplies with secure, efficient delivery.
