How to Install Aluminum Hand Railing: A Step-by-Step Guide
- Norm Supply New England
- Jul 5
- 3 min read
If you're looking for a railing option that combines a clean, modern look with virtually zero maintenance, aluminum picket railing is hard to beat. It won't rust, rot, warp, or need repainting — making it a smart long-term choice for New England's harsh winters and humid summers.
We put together this guide based on a detailed aluminum picket railing installation walkthrough, so you know exactly what the process involves whether you're installing it yourself or working with a contractor.
Why Homeowners Choose Aluminum Railing
Corrosion resistant — won't rust or degrade from rain, snow, or salt air
Low maintenance — no painting, staining, or sealing required, ever
Lightweight but strong — easier to install than steel or wrought iron while still meeting safety codes
Clean, modern appearance — sleek profiles that suit both contemporary and traditional homes
Long-lasting finish — powder-coated aluminum holds its color for years
Step 1: Plan Your Layout
Start by measuring your deck, stairs, or balcony to determine post spacing and the number of rail sections you'll need. Mark post locations along your layout, keeping panel widths and any stair angles in mind. Confirm your local code requirements for railing height and picket spacing before you begin — these vary by municipality.
Step 2: Install the Posts
Posts are the anchor points for the entire railing system, so this step needs to be precise.
Secure posts to your deck surface or stair stringers using the manufacturer's recommended mounting brackets and hardware.
Use a level to make sure every post is perfectly plumb before final tightening.
Double check post spacing matches the rail panel lengths you're using.
Step 3: Attach the Rail Brackets
Once posts are secure, attach the top and bottom rail brackets to each post at the correct height. These brackets hold the horizontal rails that the pickets will sit between.
Step 4: Assemble the Picket Panels
Most aluminum railing systems come with pre-spaced picket panels or individual pickets that slide into the top and bottom rails.
Insert pickets into the pre-drilled holes in the bottom rail.
Align the top rail over the pickets and slide it down into place.
Make sure picket spacing is even and meets code (typically no more than 4 inches between pickets).
Step 5: Secure the Rail Sections to the Posts
With the picket panel assembled, attach the rail section to the posts using the provided brackets and fasteners. Check for level again before fully tightening everything down.
Step 6: Add Post Caps and Final Touches
Install decorative post caps to finish the look and protect the tops of the posts from moisture. Walk the entire railing system to confirm every section is secure, level, and free of movement.
Step 7: Enjoy Maintenance-Free Railing
That's the whole process. Once it's installed, an aluminum railing system needs virtually nothing from you — no annual staining, sealing, or rust treatment. An occasional rinse is all it takes to keep it looking new.
Get Your Aluminum Railing Materials in New
England
At Norm Supply New England, we supply high-quality aluminum hand railing, WPC fencing, composite decking, and wall panels to homeowners and contractors across Boston and the surrounding New England area. Whether you're planning a DIY install or working with a contractor, we can help you find the right materials for your project.
Ready to get started? Get a free quote or browse our full product range.
📍 28 Bridge Street, Watertown, MA 02472
📞 (516) 912-7893
Comments