Avalon Structural Post with Trim and Post Cap by RDI
Key Components Included
When you buy this Avalon structural post assembly, it includes:
Powder-coated aluminum structural post — the core upright support
Surface mounting plate — welded flange that bolts securely to your deck surface
Sandwich plate — adds strength to the base attachment
Post cap — weather-resistant aluminum cap that tops the post
Post trim cover (2-piece) — hides base hardware and creates clean vertical lines
Installation instructions — step-by-step for proper setup
This packaged post simplifies installation and gives a finished, cohesive look because the cap and trim are designed to match the Avalon system’s profile and finishes.
Construction & Durability
Materials & Finish
Made from rust-resistant, powder-coated aluminum
AAMA-certified coating resists corrosion and outdoor weather
Low-maintenance finish holds up to sun, rain, and snow — ideal for deck and stair railing installations.
Structural Performance
Designed to meet residential safety requirements for guardrails
Works with Avalon panelsand other compatible infills (like glass slats, horizontal rod, or traditional balusters) as part of a complete railing system.
Available Sizes & Specs
Avalon posts are typically 2½″ × 2½″ square and available in several heights depending on your rail height and installation style:
39″ — for 36″ guardrail height runs
45″ — common for residential applications
60″ — for taller runs or commercial style requirements
5½″ × 5½″ mounting flange plate with pre-drilled holes for secure deck attachment.
About this product...
AVALON ALUMINUM RAILING Posts come in rust resistant, sleek aluminum construction. Unique style options combine form, function, and versatility to add a rich, stylish look to your home while adding safety and security at the same time. Posts have a welded flange that easily bolts or lags for a secure surface mount. These posts are made to install the RDI Avalon aluminum railing panels.
POST EXTENSION:
Add the post extension to any surface mount Avalon 2-1/2" post for additional height for string lights!
2-1/2" x 2-1/2" x 65" Post Extension (works with standard Avalon posts ONLY)
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Click HERE for Warranty: Click HERE for Installation: Click HERE for Bracket Pro Installation jig: Click HERE for Commercial Post:
Structural Post Specs:
Mounting Flange:
Transferable Limited Lifetime Warranty
Aluminum Railing
Who is covered:
• The limited lifetime warranty covers single-family residential properties only. This limited warranty extends to the original purchaser and one (1)
individual transferee as specified herein.
• A twenty (20) year limited warranty covers any other type of building or property including those owned by corporations, governmental agencies,
partnerships, trusts, religious organizations, schools, condominiums, homeowner associations, cooperative housing arrangements and apartment
buildings. The warranty period will be twenty (20) years following the original date of Product purchase.
