Matte Black 39" Post for Avalon Railing
A sleek Matte Black 39" post designed for Avalon railing systems, offering both durability and modern style.
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Avalon Structural Post with Trim and Post Cap by RDI
Key Components Included
When you buy this Avalon structural post assembly, it includes:
- 1 - Powder-coated aluminum structural post — the core upright support
- 1 - Surface mounting plate — welded flange that bolts securely to your deck surface
- 1 - Sandwich plate — adds strength to the base attachment
- 1 - Post cap — weather-resistant aluminum cap that tops the post
- 1 - Post trim cover (2-piece) — hides base hardware and creates clean vertical lines
- 1 - 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
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Designed to meet residential safety requirements for guardrails
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Works with Avalon panels and 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
Wall Thickness & Mounting
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approx. .075″ wall thickness (structural strength)
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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!
DETAILS:
- Wall thickness - .075
- SIZES ~ 2-1/2" x 2-1/2" x 39" ~ 45" ~ 60"
- MOUNTING PLATE ~ 5-1/2" x 5-1/2" w/ 4 pre~drilled holes (.44" ~ hole size)
- 2-1/2" x 2-1/2" x 65" Post Extension (works with standard Avalon posts ONLY)
